Category: flavor and fragrance agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Physical Properties:
Appearance: | colorless to yellow oily liquid (est) |
Assay: | 95.00 to 100.00 %
|
Food Chemicals Codex Listed: | No |
Specific Gravity: | 0.86200 to 0.86800 @ 25.00 °C.
|
Pounds per Gallon - (est).: | 7.173 to 7.223
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Refractive Index: | 1.44200 to 1.44700 @ 20.00 °C.
|
Melting Point: | -53.00 °C. @ 760.00 mm Hg
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Boiling Point: | 126.76 °C. @ 760.00 mm Hg
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Boiling Point: | 41.00 °C. @ 23.00 mm Hg
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Vapor Pressure: | 8.757000 mmHg @ 25.00 °C. (est) |
Flash Point: | 87.00 °F. TCC ( 30.56 °C. )
|
logP (o/w): | 1.069 (est) |
Soluble in: |
| alcohol | | dipropylene glycol | | propylene glycol | | water, 28900 mg/L @ 20 °C (exp) |
Organoleptic Properties:
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Odor Type: vegetable |
|
| pungent earthy vegetable acrylate |
Odor Description: at 10.00 % in propylene glycol. | pungent earthy vegetable acrylic |
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| musty earthy chemical nutty chocolate woody |
Odor Description: at 1.00 %. | musty, mildew, earthy, chemical, card board like with nutty, chocolate and woody nuances Mosciano, Gerard, (2009) |
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Flavor Type: potato |
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| potato raw potato baked potato raw vegetable nutty dirty |
Taste Description: at 3.00 ppm. | potato bin, raw and baked potato, jimica with raw vegetative, nutty and dirt like nuances Mosciano, Gerard, (2009) |
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Odor and/or flavor descriptions from others (if found). |
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Cosmetic Information:
Suppliers:
Safety Information:
Preferred SDS: View |
European information : |
Most important hazard(s): | Xn - Harmful. |
R 10 - Flammable. R 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. S 01/02 - Keep locked up and out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. S 20/21 - When using do not eat, drink or smoke. S 23 - Do not breath vapour. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
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Hazards identification |
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Classification of the substance or mixture |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) |
None found. |
GHS Label elements, including precautionary statements |
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Pictogram | |
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Hazard statement(s) |
None found. |
Precautionary statement(s) |
None found. |
Oral/Parenteral Toxicity: |
oral-rabbit LD50 1000 mg/kg "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 896, 1991.
oral-mouse LD50 710 mg/kg "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 80, 1982.
intraperitoneal-mouse LD50 354 mg/kg Shell Chemical Company. Unpublished Report. Vol. -, Pg. 6, 1961.
oral-mammal (species unspecified) LD50 710 mg/kg Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 39(4), Pg. 86, 1974.
oral-rat LD50 1120 mg/kg "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 896, 1991.
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Dermal Toxicity: |
subcutaneous-frog LDLo 1400 mg/kg Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 56, Pg. 346, 1906.
skin-rabbit LD50 5150 mg/kg Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. Vol. 1, Pg. 71, 1974.
subcutaneous-rabbit LDLo 840 mg/kg Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 56, Pg. 346, 1906.
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Inhalation Toxicity: |
inhalation-mouse LC50 10000 mg/m3/2H "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 80, 1982.
inhalation-guinea pig LCLo 500 ppm/8H LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES Journal of Industrial Hygiene and Toxicology. Vol. 24, Pg. 46, 1942.
inhalation-human TCLo 25 ppm SENSE ORGANS AND SPECIAL SENSES: CONJUNCTIVE IRRITATION: EYE Journal of Industrial Hygiene and Toxicology. Vol. 28, Pg. 262, 1946.
inhalation-rat LC50 9000 mg/m3/4H "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 80, 1982.
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Safety in Use Information:
Category: | flavor and fragrance agents |
RIFM Fragrance Material Safety Assessment: Search |
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice |
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Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.34 (μg/capita/day) |
Maximised Survey-derived Daily Intakes (MSDI-USA): | ND (μg/capita/day) |
Threshold of Concern: | 540 (μg/person/day) |
Structure Class: | II |
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). |
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library |
publication number: 6 |
Click here to view publication 6 |
| average usual ppm | average maximum ppm |
baked goods: | - | 2.25000 |
beverages(nonalcoholic): | - | - |
beverages(alcoholic): | - | - |
breakfast cereal: | - | - |
cheese: | - | - |
chewing gum: | - | - |
condiments / relishes: | - | - |
confectionery froastings: | - | - |
egg products: | - | - |
fats / oils: | - | - |
fish products: | - | - |
frozen dairy: | - | 0.75000 |
fruit ices: | - | 0.75000 |
gelatins / puddings: | - | 0.50000 |
granulated sugar: | - | - |
gravies: | - | - |
hard candy: | - | 1.12000 |
imitation dairy: | - | - |
instant coffee / tea: | - | - |
jams / jellies: | - | - |
meat products: | - | - |
milk products: | - | 0.40000 |
nut products: | - | - |
other grains: | - | - |
poultry: | - | - |
processed fruits: | - | - |
processed vegetables: | - | - |
reconstituted vegetables: | - | - |
seasonings / flavors: | - | - |
snack foods: | - | - |
soft candy: | - | - |
soups: | - | - |
sugar substitutes: | - | - |
sweet sauces: | - | - |
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Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i). |
Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm. |
| average usage mg/kg | maximum usage mg/kg |
Dairy products, excluding products of category 02.0 (01.0): | 0.40000 | 0.40000 |
Fats and oils, and fat emulsions (type water-in-oil) (02.0): | - | - |
Edible ices, including sherbet and sorbet (03.0): | 0.75000 | 0.75000 |
Processed fruit (04.1): | - | - |
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - |
Confectionery (05.0): | 1.12000 | 1.12000 |
Chewing gum (05.0): | - | - |
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | - | - |
Bakery wares (07.0): | 2.25000 | 2.25000 |
Meat and meat products, including poultry and game (08.0): | - | - |
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | - | - |
Eggs and egg products (10.0): | - | - |
Sweeteners, including honey (11.0): | - | - |
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | 0.50000 | 0.50000 |
Foodstuffs intended for particular nutritional uses (13.0): | 0.50000 | 0.50000 |
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | - | - |
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | - | - |
Ready-to-eat savouries (15.0): | - | - |
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | - | - |
Safety References:
European Food Safety Athority(EFSA): | Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
European Food Safety Authority (EFSA) reference(s): |
List of apha, beta-Unsaturated Aldehydes and Ketones representative of FGE.19 substances for Genotoxicity Testing [1] - Statement of the Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF) View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 204 (FGE.204): Consideration of genotoxicity data on representatives for 18 mono-unsaturated, aliphatic, a,ß-unsaturated ketones and precursors from chemical subgroup 1.2.1 of FGE.19 by EFSA View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 63, Revision 2 (FGE.63Rev2): Consideration of aliphatic secondary alcohols, ketones and related esters evaluated by JECFA (59th and 69th meetings) structurally related to saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids evaluated by EFSA in FGE.07Rev4 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 63, Revision 3 (FGE.63Rev3): aliphatic secondary alcohols, ketones and related esters evaluated by JECFA (59th and 69th meetings) structurally related to saturated and unsaturated aliphatic secondary alcohols, ketones and esters of secondary alcohols and saturated linear or branched-chain carboxylic acids evaluated by EFSA in FGE.07Rev4 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 204 Revision 1 (FGE.204Rev1): consideration of genotoxicity data on representatives for 17 monounsaturated, aliphatic, a,ß-unsaturated ketones and precursors from chemical subgroup 1.2.1 of FGE.19 View page or View pdf |
EPI System: | View |
NIOSH International Chemical Safety Cards: | search |
NIOSH Pocket Guide: | search |
AIDS Citations: | Search |
Cancer Citations: | Search |
Toxicology Citations: | Search |
EPA Substance Registry Services (TSCA): | 141-79-7 |
EPA ACToR: | Toxicology Data |
EPA Substance Registry Services (SRS): | Registry |
Laboratory Chemical Safety Summary : | 8858 |
National Institute of Allergy and Infectious Diseases: | Data |
WISER: | UN 1229 |
WGK Germany: | 1 |
| 4-methylpent-3-en-2-one |
Chemidplus: | 0000141797 |
EPA/NOAA CAMEO: | hazardous materials |
RTECS: | 141-79-7 |
References:
Other Information:
Potential Blenders and core components note
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For Odor |
No odor group found for these |
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| octanal propylene glycol acetal | FL/FR |
acrylate |
| methyl methacrylate | |
balsamic |
| betula pubescens bud oil | FL/FR |
| spruce needle absolute | FL/FR |
| valerian rhizome absolute | FL/FR |
caramellic |
iso | propenyl pyrazine | FL/FR |
chocolate |
1,3,3,4,5,6- | hexamethyl(2.2.2)bicyclooct-5-en-2-ol | |
citrus |
alpha- | methylene citronellal | FR |
| neroli ketone | FR |
cocoa |
2- | methyl butyraldehyde | FL/FR |
earthy |
| bean pyrazine | FL/FR |
floral |
| karo karounde absolute | FR |
| linalool | FL/FR |
beta- | ocimene | FL/FR |
| orange leaf absolute | FL/FR |
fruity |
| apple ketal | FL/FR |
| green acetate | FR |
| tropical thiazole | FL/FR |
green |
| bergoxane | FR |
| bicyclogermacrene | |
2-sec- | butyl-3-methoxypyrazine | FL/FR |
alpha- | elemol | FL/FR |
| fresh nitrile | FR |
| galbanum oil | FL/FR |
| galbanum oleoresin | FL/FR |
| galbanum resinoid | FL/FR |
| geranium thiazole | FL/FR |
(Z)-4- | heptenal | FL/FR |
(Z)-3- | hexen-1-yl (E)-crotonate | FL/FR |
(E)-2- | hexen-1-yl salicylate | FR |
4- | hexenol | FL/FR |
para- | methyl hydratropaldehyde | FL/FR |
2- | octen-1-ol | FL/FR |
1- | penten-3-ol | FL/FR |
| terpinyl propionate | FL/FR |
| valerian rhizome oil CO2 extract china | FL/FR |
herbal |
| bornyl salicylate | FR |
(+)-alpha- | campholenic aldehyde | FL/FR |
| canarium luzonicum oil | FL/FR |
iso | dihydrolavandulal | FL/FR |
6- | hydroxydihydrotheaspirane (mixture of isomers) | FL/FR |
| nonisyl formate | FR |
3- | octyl acetate | FL/FR |
| tricyclo(5.2.1.02,6)dec-3-enyl acetate | FR |
| valerian rhizome oil | FL/FR |
| valerian rhizome oil china | FL/FR |
| wormwood oil america | FL/FR |
melon |
(Z)-6- | nonen-1-ol | FL/FR |
(Z)-6- | nonenal | FL/FR |
minty |
iso | propyl tiglate | FL/FR |
(-)-iso | pulegol | FL/FR |
mossy |
| oakmoss absolute | FL/FR |
musty |
3- | acetyl-2,5-dimethyl furan | FL/FR |
| hazelnut pyrazine | FL/FR |
| menthofuran | FL/FR |
nutty |
2- | acetyl-3-ethyl pyrazine | FL/FR |
4,5- | dimethyl-2-ethyl-3-thiazoline | FL/FR |
orris |
iso | eugenyl formate | FL/FR |
spicy |
iso | cyclogeraniol (IFF) | FR |
2- | octanol | FL/FR |
3,5- | dimethyl-1,2-dithiolane | |
| grapefruit menthane | FL/FR |
3-( | methyl thio) hexanol | FL/FR |
truffle |
2- | methyl acetoin | |
waxy |
2- | tridecanone | FL/FR |
woody |
beta- | cadinene | |
beta- | eudesmol | |
alpha- | thujene | |
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For Flavor |
|
No flavor group found for these |
(E)- | aconitic acid | FL |
| bean pyrazine | FL/FR |
| betula pubescens bud oil | FL/FR |
| bicyclogermacrene | |
beta- | cadinene | |
6,7- | dimethyl dihydrocyclopentapyrazine | FL |
| dimethyl dihydrocyclopentapyrazine | FL |
alpha- | elemol | FL/FR |
2- | ethyl-4,5-dimethyl oxazole | FL |
beta- | eudesmol | |
iso | eugenyl formate | FL/FR |
1,3,3,4,5,6- | hexamethyl(2.2.2)bicyclooct-5-en-2-ol | |
(Z)-3- | hexen-1-yl (E)-crotonate | FL/FR |
(E)-4- | hexenal | FL |
iso | mesityl oxide | FL |
2- | methyl acetoin | |
| methyl methacrylate | |
2- | methyl thiazole | FL |
4-( | methyl thio) butanol | FL |
| octanal propylene glycol acetal | FL/FR |
2-iso | propyl-3-(methyl thio) pyrazine | FL |
alpha- | thujene | |
alliaceous |
3- | tetrahydrothiophenone | FL |
| tropical thiazole | FL/FR |
balsamic |
| spruce needle absolute | FL/FR |
bitter |
| cocoa pyrazines base (mixture of pyrazines) | FL |
burnt |
iso | propenyl pyrazine | FL/FR |
6- | hydroxydihydrotheaspirane (mixture of isomers) | FL/FR |
citrus |
| linalool | FL/FR |
cocoa |
| cocoa distillates | FL |
coffee |
| difurfuryl ether | FL |
fatty |
2- | octen-1-ol | FL/FR |
2- | tridecanone | FL/FR |
floral |
| orange leaf absolute | FL/FR |
fruity |
| apple ketal | FL/FR |
| valerian rhizome absolute | FL/FR |
| valerian rhizome oil | FL/FR |
| valerian rhizome oil china | FL/FR |
| valerian rhizome oil CO2 extract china | FL/FR |
fusel |
2- | methyl butyraldehyde | FL/FR |
green |
(+)-alpha- | campholenic aldehyde | FL/FR |
| canarium luzonicum oil | FL/FR |
| dihydroxyacetophenone (mixed isomers) | FL |
| galbanum oil | FL/FR |
| galbanum oleoresin | FL/FR |
| galbanum resinoid | FL/FR |
| geranium thiazole | FL/FR |
(Z)-4- | heptenal | FL/FR |
(E)-2- | heptenal | FL |
2- | hexyl pyridine | FL |
para- | methyl hydratropaldehyde | FL/FR |
3-(5- | methyl-2-furyl) butanal | FL |
2- | methyl-5-isopropyl pyrazine | FL |
(Z)-6- | nonenal | FL/FR |
| oakmoss absolute | FL/FR |
beta- | ocimene | FL/FR |
2,4- | octadienal | FL |
3- | octyl acetate | FL/FR |
4- | penten-1-yl acetate | FL |
1- | penten-3-ol | FL/FR |
2- | propyl pyrazine | FL |
iso | propyl tiglate | FL/FR |
| propylene glycol acetone ketal | FL |
| terpinyl propionate | FL/FR |
herbal |
iso | dihydrolavandulal | FL/FR |
| wormwood oil america | FL/FR |
meaty |
2,6- | dimethyl thiophenol | FL |
metallic |
4- | hexenol | FL/FR |
3-( | methyl thio) hexanol | FL/FR |
minty |
(-)-iso | pulegol | FL/FR |
musty |
| hazelnut pyrazine | FL/FR |
| menthofuran | FL/FR |
| propionaldehyde | FL |
nutty |
3- | acetyl-2,5-dimethyl furan | FL/FR |
2- | acetyl-3-ethyl pyrazine | FL/FR |
| aconitic acid | FL |
4,5- | dimethyl-2-ethyl-3-thiazoline | FL/FR |
| nutty thiazole | FL |
onion |
3,5- | dimethyl-1,2-dithiolane | |
spicy |
2- | octanol | FL/FR |
sulfurous |
| grapefruit menthane | FL/FR |
| methyl benzyl disulfide | FL |
vegetable |
2-sec- | butyl-3-methoxypyrazine | FL/FR |
waxy |
(Z)-6- | nonen-1-ol | FL/FR |
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Potential Uses:
Occurrence (nature, food, other): note
Synonyms:
iso | butenyl methyl ketone | 2,2- | dimethyl vinyl methyl ketone | 2,2- | dimethylvinyl methyl ketone | 3-iso | hexen-2-one | | mesityl oxide | | mesityl oxide natural | | mesityloxyde | | methyl 2-methyl-1-propenyl ketone | | methyl 2,2-dimethyl vinyl ketone | | methyl 2,2-dimethylvinyl ketone | | methyl isobutenyl ketone | 4- | methyl pent-3-en-2-one | 2- | methyl-2-penten-4-one | 4- | methyl-3-penten-2-one | 4- | methyl-3-pentene-2-one | 2- | methyl-4-oxo-2-pentene | 4- | methyl-pent-3-en-2-one | 4- | methylpent-3-en-2-one | 3- | penten-2-one, 4-methyl- | iso | propylidene acetone | iso | propylideneacetone |
Articles:
PubMed: | A quick, simple, robust method to measure the acidity of ionic liquids. |
PubMed: | Determination of residual acetone and acetone related impurities in drug product intermediates prepared as Spray Dried Dispersions (SDD) using gas chromatography with headspace autosampling (GCHS). |
PubMed: | Integration of stable isotope and trace contaminant concentration for enhanced forensic acetone discrimination. |
PubMed: | Evaluation of electroosmotic markers in aqueous and nonaqueous capillary electrophoresis. |
PubMed: | On the adsorption/reaction of acetone on pure and sulfate-modified zirconias. |
PubMed: | Morphology control in mesoporous carbon films using solvent vapor annealing. |
PubMed: | Determination of effective mobilities of EOF markers in BGE containing sulfated β-cyclodextrin by a two-detector method. |
PubMed: | Roles of acetone and diacetone alcohol in coordination and dissociation reactions of uranyl complexes. |
PubMed: | Migration behaviour of discontinuous buffers in capillary electrophoresis during protein enrichment. |
PubMed: | Effects of curcumin and related compounds on processes involving α-hydroxyethyl radicals. |
PubMed: | A trans-AB-bacteriochlorin building block. |
PubMed: | TRPA1 is activated by direct addition of cysteine residues to the N-hydroxysuccinyl esters of acrylic and cinnamic acids. |
PubMed: | A systematic study on the activation of simple polyethers by MoCl5 and WCl6. |
PubMed: | Synthesis of modified homo-N-nucleosides from the reactions of mesityl nitrile oxide with 9-allylpurines and their influence on lipid peroxidation and thrombin inhibition. |
PubMed: | Application of artificial neural networks in the prediction of product distribution in electrophoretically mediated microanalysis. |
PubMed: | Acetone reactions over the surfaces of polycrystalline UO2: a kinetic and spectroscopic study. |
PubMed: | Function-oriented synthesis applied to the anti-botulinum natural product toosendanin. |
PubMed: | Structural and formulation factors influencing pyridinium lipid-based gene transfer. |
PubMed: | Gas chromatography-olfactometry analysis of the volatile compounds of two commercial Irish beef meats. |
PubMed: | Speciation of vanadium in soil. |
PubMed: | Speciation of scandium and gallium in soil. |
PubMed: | Surprising structural lability of a cysteine-S-conjugate precursor of 4-methyl-4-sulfanylpentan-2-one, a varietal aroma in wine of Vitis vinifera L. cv. Sauvignon blanc. |
PubMed: | Origins of selectivity for the [2+2] cycloaddition of alpha,beta-unsaturated ketones within a porous self-assembled organic framework. |
PubMed: | Photochemistry of the indoor air pollutant acetone on Degussa P25 TiO2 studied by chemical ionization mass spectrometry. |
PubMed: | [Sensory evaluation test: odor component analysis and endotoxin content of Krestin and Carbocrin (generic drug) to compare palatability]. |
PubMed: | Two-dimensional capillary electrophoresis using tangentially connected capillaries. |
PubMed: | On the mechanism of the Skraup-Doebner-Von Miller quinoline synthesis. |
PubMed: | A new approach to promoting sluggish Diels-Alder reactions: dihapto-coordination of the diene. |
PubMed: | An experimental study of the gas-phase reaction of the NO3 radical with alpha,beta-unsaturated carbonyl compounds. |
PubMed: | Refined Synthesis of 2,3,4,5-Tetrahydro-1,3,3-trimethyldipyrrin, a Deceptively Simple Precursor to Hydroporphyrins. |
PubMed: | Proline-coated column for the capillary electrochromatographic separation of amino acids by in-column derivatization. |
PubMed: | The strongest isolable acid. |
PubMed: | Analysis of a model reaction system containing cysteine and (E)-2-methyl-2-butenal, (E)-2-hexenal, or mesityl oxide. |
PubMed: | Volatile compounds emitted by sclerotia of Sclerotinia minor, Sclerotinia sclerotiorum, and Sclerotium rolfsii. |
PubMed: | Reaction of Resorcinol with alpha,beta-Unsaturated Ketones. |
PubMed: | Medium-throughput pKa screening pharmaceuticals by pressure-assisted capillary electrophoresis. |
PubMed: | Spectrophotometric determination of ferbam (iron(III) dimethyldithiocarbamate) in commercial sample and wheat grains using 4,7-diphenyl-1,10-phenanthroline after extraction into mesityl oxide. |
PubMed: | Quantitative determination of sulfur containing wine odorants at sub-ppb levels. 1. Synthesis of the deuterated analogues. |
PubMed: | Preparation and evaluation of an imidazole-coated capillary column for the electrophoretic separation of aromatic acids. |
PubMed: | Isotope effects and syn selectivity in the ene reaction of triazolinedione with conjugated enones: aziridinium imide or an open intermediate mechanism? |
PubMed: | Olfactory and quantitative analysis of aroma compounds in elder flower (Sambucus nigra L.) drink processed from five cultivars. |
PubMed: | A robust method for determining DNA binding constants using capillary zone electrophoresis. |
PubMed: | A strategy for the mapping of N-glycans by high-performance capillary electrophoresis. |
PubMed: | The analysis of multiple phosphoseryl-containing casein peptides using capillary zone electrophoresis. |
PubMed: | Optimization of resolution in capillary zone electrophoresis: combined effect of applied voltage and buffer concentration. |
PubMed: | Adrenal-dependent leucopenia after short-term exposure to various airborne irritants in rats. |
PubMed: | Low-dose-rate effect of tritium beta-rays on transfection activity of phage DNA related to an oxidative species different from .OH, HO2. O2-., and H2O2. |
PubMed: | 2,4-Diamino-5-benzylpyrimidines and analogues as antibacterial agents. 12. 1,2-Dihydroquinolylmethyl analogues with high activity and specificity for bacterial dihydrofolate reductase. |
PubMed: | Second derivative spectrophotometric determination of iron by extraction of the ferroin-perchlorate ion-association complex into mesityl oxide. |
PubMed: | Mutagen production by chlorination of methylated alpha,beta-unsaturated ketones. |
PubMed: | Quantitative evaluation of sensory irritating and neurobehavioural properties of aliphatic ketones in mice. |
PubMed: | Extraction of zinc, cadmium and mercury salicylates. |
PubMed: | Biotransformation of monoterpenes by Mentha cell lines. |
PubMed: | Selective extractive separation of zinc, cadmium and lead from iodide media with mesityl oxide. |
PubMed: | Extraction and separation of bismuth(III). |
PubMed: | [Effect of 4-methyl-3-penten-2-one (1-phthalazinyl) hydrazone (budralazine) on intra- and extracranial circulation in cats (author's transl)]. |
PubMed: | Solvent extraction separation of hafnium with 4-methyl-3-pentene-2-one. |
PubMed: | [Styrene migration into wine contained in polyester resin tanks]. |
PubMed: | Extraction and spectrophotometric determination of cobalt(II) with thiobenzoylacetone and simultaneous determination of cobalt and nickel. |
PubMed: | Reaction of glutathione with conjugated carbonyls. |
PubMed: | Solvent extraction of tellurium(IV) with mesityl oxide. Direct nephelometric determination. |
PubMed: | beta-Methyl-delta-keto-Delta(alphabeta)-hexenoic acid and mesityl oxide as acetyl donors in the enzymic synthesis of acetylcholine. |
PubMed: | Hygienic guide series: mesityl oxide. |
PubMed: | Liquid-liquid extraction of tungsten(VI) with mesityl oxide application to an alloy steel. |
PubMed: | Separation of zirconium by thin-layer chromatography. |
PubMed: | [Reaction of phosphatides containing ethanolamine with an alpha,beta-unsaturated ketone (mesityl oxide)]. |
PubMed: | Catty odours in food: their production in meat stores from mesityl oxide in paint solvents. |
PubMed: | Catty odours in food: their production in meat stores from mesityl oxide in paint solvents. |
PubMed: | Catty odours in food: the reaction between mesityl oxide and sulphur compounds in foodstuffs. |
PubMed: | The effect of crotonylidene isonicotinic acid hydrazone (CIH) and mesityl oxide hydrazone (MIH) in experimental tuberculosis. |
PubMed: | The sulphonation of mesityl oxide. |
PubMed: | The isolation and purification of two isomers of mesityl oxide. |
PubMed: | Acid-base catalysis in non-aqueous solvents; the isomerisation of methyl mesityl oxide oxalate in chlorobenzene solution at 99 degrees. |
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