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benzo(a)pyrazine
Notes:
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Beijing Lys Chemicals Co, LTD. From Grams to Tons Fine chemical high-tech company which contains R&D, production, and sales. BEIJING LYS CHEMICALS CO, LTD, established in 2004, is a fine chemical high-tech company which contains R&D, production, and sales. We mainly engaged in export and technology development of flavor and fragrance materials and pharmaceutical intermediates. We have nearly 500 kinds of products, from grams to tons, exported to USA, Europe, South Asia and etc. And we custom manufacture new products according to customers’ needs, and serve good quality products and service. Our goal is to become a fine chemical enterprise which could provide special products and services. Email: Mr. Jia Email: Mr. Guo Voice: 86-10-68418738 Fax: 86-10-68418739 Mr. Guo 86-10-68483445 Mr. Guo 86-10-68418739 News Product(s): 10427 Quinoxaline
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BOC Sciences Best of Chemicals Supplier Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. BOC Sciences provides a wide range of services to support the pharmaceutical industry through all stages of drug discovery including Custom Synthesis of those chemicals that are not in stock, Isotope Labeling Service, Chiral Synthesis and Resolution, Bioconjugation, PEGylation services, analytical services. BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-informed decisions tailored to your evolving needs for premium chemicals. Our complete suite of CRO services spans the entire molecule development pipeline including contract research for target identification, building blocks, compound synthesis, biochemical and cellular analysis, preclinical animal tests, and clinical studies. Email: Marketing US Email: Marketing Email: Sales US Email: Sales Voice: 1-631-485-4226 Fax: 1-631-614-7828 US Voice: 1-631-485-4226 US Fax: 1-631-614-7828 Europe 44-203-286-1088 Facebook Twitter Linkedin Blog Get the App! Product(s): 91-19-0 quinoxaline 95%
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M&U International LLC Steady supply & demand Meeting customers increasing demands at home as well as abroad. M&U dedicates itself to the development and production of new products as well as continuously promoting those new products. We’ve maintained a steady supply&demand relationship with a large number of manufacturers at home and abroad. We’ve developed an extensive network and because of our relationships with these manufacturers, we’re able to provide a stable supply of great quality materials. We’re located in China’s largest communications hub, Shanghai and in the U.S. near one of the largest sea ports on the East Coast. The strategic locations of our facilities ensure convenient, prompt and secure delivery of our products to our customers. Email: Sales US Email: Sales Voice: +86-21-32515501 60762991 60762992 Fax: +86-21-32515502 64204960 US Voice: 908-359-9000 US Fax: 908-359-9002 News Product(s): A0389 QUINOXALINE, Kosher
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Penta International Corporation Chemistry innovation At Penta, our products and services help businesses do business better. For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes. US Email: Technical Services US Email: Sales US Voice: (973) 740-2300 US Fax: (973) 740-1839 Product(s): 17-60000 QUINOXALINE
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Synerzine, Inc. Innovation. Customization. Aroma Ingredients. Synerzine is a leading supplier of flavor and fragrance ingredients. Synerzine expresses what we have grown to embody as an organization - the synergy and connection between raw ingredients, science, technology, and the final product. Our experienced team is passionate about bringing our customers high-quality innovative ingredients that they can trust. Building upon our 44 year history, the Synerzine team provides customers around the globe with convenient access to over 1200 high-quality aroma ingredients. We actively engage with customers to add a wide array of new products and services on a regular basis. Our aim is to delight every customer with our exceptional services, large product selection, customization and the highest quality and safety standards. We provide our customers with true value designed to help them bring their products to market faster. US Email: Customer Service US Email: Sales US Voice: (404) 524-6744 US Fax: (404) 577-1651 Inquiry Products List: View Product(s): Q800 Quinoxaline
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Tianjin Danjun International Trade Co., LTD. Quality Products We know the Chinese chemical market well. Tianjin danjun international trade co., LTD. is an organic chemicals trading company approved by the relevant state authorities to register. We have about 300 kinds of products (natural aroma chemicals, synthetic aroma chemicals and pharmaceutical intermediates). Most of the products are used in flavor and fragrance industry. We know the Chinese chemical market well and we have close relationship with many of the main manufacturers, and to provide our customers with quality goods together with comprehensive service. Email: Info Email: Sales Voice: +86-15822601686 Products List: View Product(s): B-028 Quinoxaline
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WholeChem, LLC Connecting Innovators To the Building Blocks Of the Universe Custom manufacturer and distributor of specialty ingredients. We make global local. SQF-Certified Supplier We owe our success to our integrity, our dedication to the industry, and our commitment to our clients. We invite your inquiries regarding our current product list and any other products you may be having trouble sourcing. Email: Info Email: Orders Voice: +1 (262) 995.8668 Certification Our Services Products List: View Product(s): Quinoxaline
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| CAS Number: | 91-19-0 |  3D/inchi
|
| ECHA EINECS - REACH Pre-Reg: | 202-047-4 | |
| FDA UNII: | QM4AR6M6T8 | |
| Nikkaji Web: | J4.336B | |
| Beilstein Number: | 0109351 | |
| MDL: | MFCD00006719 | |
| CoE Number: | 11365 | |
| XlogP3: | 1.30 (est) | |
| Molecular Weight: | 130.14982000 | |
| Formula: | C8 H6 N2 | |
| NMR Predictor: | Predict (works with chrome or firefox) | |
Category: flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
| Google Scholar: | Search |
| Google Books: | Search |
| Google Scholar: with word "volatile" | Search |
| Google Scholar: with word "flavor" | Search |
| Google Scholar: with word "odor" | Search |
| Perfumer and Flavorist: | Search |
| Google Patents: | Search |
| US Patents: | Search |
| EU Patents: | Search |
| Pubchem Patents: | Search |
| PubMed: | Search |
| NCBI: | Search |
Physical Properties:
| Appearance: | white to tan crystalline powder (est) |
| Assay: | 95.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Melting Point: | 27.00 to 30.00 °C. @ 760.00 mm Hg |
| Boiling Point: | 229.50 °C. @ 760.00 mm Hg |
| Boiling Point: | 225.00 °C. @ 760.00 mm Hg |
| Vapor Pressure: | 0.105000 mmHg @ 25.00 °C. (est) |
| Flash Point: | 209.00 °F. TCC ( 98.33 °C. ) |
| logP (o/w): | 1.320 |
| Soluble in: | |
| alcohol | |
| water, 6850 mg/L @ 25 °C (est) | |
| water, 6.60E+05 mg/L @ 25 °C (exp) | |
Organoleptic Properties:
| Flavor Type: fishy | |
| fishy | |
| Taste Description: | fishy |
| Odor and/or flavor descriptions from others (if found). | |
Cosmetic Information:
| None found |
Suppliers:
| Beijing Lys Chemicals |
| Quinoxaline |
| BOC Sciences |
| For experimental / research use only. |
| quinoxaline 95% |
| DeLong Chemicals America |
| Quinoxaline |
| M&U International |
| QUINOXALINE, Kosher |
| Penta International |
| QUINOXALINE |
| Sigma-Aldrich: Aldrich |
| For experimental / research use only. |
| Quinoxaline 99% |
| Synerzine |
| Quinoxaline |
| Tianjin Danjun International |
| Quinoxaline |
| WholeChem |
| Quinoxaline |
Safety Information:
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xi - Irritant | |
|
R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. 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 - Wear suitable protective clothing. | |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
|
intraperitoneal-mouse LD50 250 mg/kg National Technical Information Service. Vol. AD607-952 | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in Use Information:
| Category: | flavoring agents | ||
| Recommendation for quinoxaline usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.12 (μg/capita/day) | ||
| Modified Theoretical Added Maximum Daily Intake (mTAMDI): | 270 (μg/person/day) | ||
| Threshold of Concern: | 90 (μg/person/day) | ||
| Structure Class: | III | ||
| 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 | 2.00000 | |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0): | 0.10000 | 0.50000 | |
| Edible ices, including sherbet and sorbet (03.0): | 0.40000 | 2.00000 | |
| Processed fruit (04.1): | 0.40000 | 2.00000 | |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - | |
| Confectionery (05.0): | 1.00000 | 5.00000 | |
| Chewing gum (05.0): | - | - | |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 0.20000 | 1.00000 | |
| Bakery wares (07.0): | 1.00000 | 5.00000 | |
| Meat and meat products, including poultry and game (08.0): | 0.10000 | 0.40000 | |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | 0.10000 | 0.40000 | |
| Eggs and egg products (10.0): | - | - | |
| Sweeteners, including honey (11.0): | - | - | |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | 0.10000 | 0.50000 | |
| Foodstuffs intended for particular nutritional uses (13.0): | 0.20000 | 1.00000 | |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | 0.20000 | 1.00000 | |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | 1.00000 | 5.00000 | |
| Ready-to-eat savouries (15.0): | 1.00000 | 5.00000 | |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | 0.20000 | 1.00000 | |
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): | |
| Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) View page or View pdf | |
| Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf | |
| Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1] View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24 View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010) View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 17, Revision 3 (FGE.17Rev3): Pyrazine derivatives from chemical group 24 View page or View pdf | |
| EPI System: | View |
| Chemical Carcinogenesis Research Information System: | Search |
| AIDS Citations: | Search |
| Cancer Citations: | Search |
| Toxicology Citations: | Search |
| EPA GENetic TOXicology: | Search |
| EPA Substance Registry Services (TSCA): | 91-19-0 |
| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 7045 |
| National Institute of Allergy and Infectious Diseases: | Data |
| WGK Germany: | 3 |
| quinoxaline | |
| Chemidplus: | 0000091190 |
| RTECS: | VD1225000 for cas# 91-19-0 |
References:
| quinoxaline | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 91-19-0 |
| Pubchem (cid): | 7045 |
| Pubchem (sid): | 134971440 |
Other Information:
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| CHEBI: | View |
| CHEMBL: | View |
| KEGG (GenomeNet): | C18575 |
| HMDB (The Human Metabolome Database): | Search |
| Export Tariff Code: | 2933.90.8300 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| Wikipedia: | View |
Potential Blenders and core components note
| For Odor | ||
| earthy | ||
| earthy | ||
| 1- | octen-3-one | FL/FR |
| green | ||
| 2-sec- | butyl-3-methoxypyrazine | FL/FR |
| 3,6- | nonadien-1-ol | FL/FR |
| mossy | ||
| oakmoss absolute | FL/FR | |
| nutty | ||
| 2- | ethyl pyrazine | FL/FR |
| spicy | ||
| ethyl vinyl ketone | FL/FR | |
| sulfurous | ||
| fish thiol | FL/FR | |
| waxy | ||
| tetradecanal | FL/FR | |
| yeasty | ||
| 2- | octen-4-one | FL/FR |
| For Flavor | ||
| ammoniacal | ||
| pyrrolidine | FL | |
| earthy | ||
| 1- | octen-3-one | FL/FR |
| fatty | ||
| tetradecanal | FL/FR | |
| fishy | ||
| anchovy flavor | FL | |
| 4,5- | dimethyl thiazole | FL |
| 3- | penten-2-one | FL |
| trimethyl amine | FL | |
| tuna extract | FL | |
| tuna flavor | FL | |
| green | ||
| 3,6- | nonadien-1-ol | FL/FR |
| oakmoss absolute | FL/FR | |
| nutty | ||
| 2- | ethyl pyrazine | FL/FR |
| spicy | ||
| ethyl vinyl ketone | FL/FR | |
| sulfurous | ||
| fish thiol | FL/FR | |
| 1-( | methyl thio)-2-butanone | FL |
| potato butanone | FL | |
| vegetable | ||
| 2-sec- | butyl-3-methoxypyrazine | FL/FR |
| 2- | octen-4-one | FL/FR |
| potato butyraldehyde | FL | |
Potential Uses:
| None Found |
Occurrence (nature, food, other): note
| malt - up to 0.1 mg/kg Search PMC Picture |
Synonyms:
| benzo(a)pyrazine | |
| benzo[a]pyrazine | |
| 1,4- | benzodiazine |
| benzoparadiazine | |
| chinoxalin | |
| 1,4- | diazanaphthalene |
| 1,4- | naphthyridine |
| phenopiazine | |
| phenpiazine | |
| quinazine |