Articles:
| US Patents: | 3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines |
thiophene, 2,5-dimethyl-
Notes:
Odorant used in food flavouring
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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): 10054 2,5-Dimethylthiophenol
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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): 638-02-8 2,5-DIMETHYLTHIOPHENE 95%
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Charkit Chemical Corporation The Specialty Chemical Specialists Explore this website to discover the products and services that Charkit provides for your industry and please contact us directly to find out how we can be of service to you. about: Since 1982, Charkit has been committed to expanding the markets we serve as our roster of products and services continues to grow with us. Our substantial portfolio of personal care ingredients now include a wide array of luxury and exotic components to compliment the key products we have always offered. We have expanded our offerings to the nutraceutical, industrial, and resin markets with a growing roster of versatile and unique ingredients. We continue to lead the way in our traditional markets such as Metal and Water Treatment, Imaging, Flavor & Fragrance, Aroma and Food. Our Pharmaceutical offerings continue to expand, still anchored by the Boronic Derivatives that meet the demands of Suzuki coupling reactions. Please contact us to learn how we can help you reach your goals. Email: Sales Voice: 203-299-3220 Fax: 203-299-1355 Facebook Twitter Linkedin Latest News Events Blog Products List: View Product(s): DIMETHYLTHIOPHENE, 2,5- D1200
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Endeavour Specialty Chemicals Ltd Expertise in high impact aroma chemicals Endeavour Speciality Chemicals offers high-impact aroma chemicals, at small to medium scale. Speciality Chemical has more than 25 years experience of manufacturing high-impact aroma chemicals. With our core expertise in sulfur and heterocyclic chemistries, Endeavours products have applications in a range of industry sectors including flavours and fragrances, pharmaceutical research and material sciences. Endeavour also offer custom synthesis and contract manufacturing services at their UK manufacturing site. Email: Info Email: Sales Voice: +44 (0)1327 310 079 Fax: +44 (0)1327 310 701 Twitter Linkedin News Speciality Chemical Product Groups Product(s): TP0030 2,5-Dimethylthiophene 99% F&F
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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): A0297 2,5-DIMETHYLTHIOPHENE, 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): 04-73500 2,5-DIMETHYLTHIOPHENE
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Robinson Brothers Limited Providing Excellence in Chemistry Award-winning UK chemical manufacturer of chemical intermediates and high-impact aroma chemicals. Based in the UK, Robinson Brothers is an award-winning chemical manufacturer of chemical intermediates and high-impact aroma chemicals. Robinson Brothers serve many industry sectors across the globe, include: flavour/fragrance, pharmaceutical, agrochemical and material sciences. Our team of Chemists are experts in custom synthesis, contract manufacture and process optimisation. Email: Info Email: Sales Voice: +44 (0)121 553 2451 Fax: +44 (0)121 500 5183 Twitter Linkedin News And Exhibitions Custom Synthesis Industries And Applications https://www.robinsonbrothers.uk/chemistry-competences Products List: View Product(s): TP0030 2,5-Dimethylthiophene F&F
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Sigma-Aldrich Complete Supply Chain The perfect blend of products and services that bring your creativity to life. Sigma-Aldrich is a leading Life Science and High Technology company dedicated to providing high-quality, safe and certified flavor ingredients with transparent and easily accessible documentation to customers around the globe. Sigma-Aldrich also provides a suite of analytical tools that allow food analysts to simplify sample preparation, cleanup and analysis steps, while increasing sensitivity to trace ingredients and harmful substances to meet regulations and quality standards. Email: Information US Email: Sales US Voice: 800-244-1173 US Fax: 800-368-4661 Facebook Twitter Instagram Linkedin Flavors and Fragrances Analysis FandF Newsletter Subscription Flavors and Fragrances Learning Center Certified Food Grade Products Product(s): W515507 2,5-Dimethylthiophene, ≥98% SDS
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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): W0429 2,5-Dimethyl Thiophene
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Taytonn ASCC Pte Ltd Supplying Asia Pacific We fully understand the demands of the F&F industry and we endeavour to supply quality products, with ready availability and a personalised service. Since 2001 TAYTONN has been distributing key ingredients to the Fragrance and Flavor industry in Asia. We work closely with customers, principals and vendors. Together we forecast demand and match it with supply of aroma chemicals, essential oils and natural isolates & extracts. Sourced from around the world, our F&F ingredient inventory in Singapore is ready to ship to any location in Asia and beyond. Time and again, we help our principals introduce new discoveries to the F&F market - stimulating creativity and bringing value added proposition to our customers. Email: Info Email: Sales Voice: + 65 - 6861 8113 Fax: + 65 - 6861 8115 Linkedin Product(s): 2,5-Dimethylthiophene
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TCI AMERICA Moving Your Chemistry Forward We continuously strive to advance our technology. With East & West Coast distribution centers, count on TCI to deliver products quickly and reliably. Over 30,000 Reagents available today in benchtop to bulk quantities. We also offer custom synthesis solutions. Sign up for a TCI account today for fast and free shipping! Tokyo Chemical Industry Co., Ltd. (TCI) is a leading worldwide manufacturer of specialty organic chemicals founded in 1946. TCI provides organic laboratory chemicals as well as pharmaceutical, cosmetic and functional materials. More than 70 years of synthesis experience and multi-purpose plants enable TCI to offer more than 30,000 products as well as custom synthesis. US Email: Sales Email: Technical Support Voice: 1-800-423-8616 Fax: 1- 888-520-1075 Facebook Twitter Instagram Linkedin Product(s): D1591 2,5-dimethylthiophene >98.0%(GC) SDS
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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-069 2,5-Dimethyl thiophenol
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R C Treatt and Co Ltd Innovative ingredient solutions World-leading innovative ingredient solutions provider for the flavour, fragrance and FMCG industries. We offer innovative and trend-setting product concepts for our customers, collaborating with them to create true value for their products. Email: Enquiries US Email: Enquiries Voice: +44 (0) 1284 702500 Fax: +44 (0) 1284 703809 US Voice: +1 863 668 9500 US Fax: +1 863 668 3388 Twitter Linkedin Youtube News Product(s): 2,5-Dimethylthiophene Halal, Kosher
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Qingdao Free Trade Zone United International Co Ltd Quality Products A partner in your supply chain solution. Qingdao Free Trade Zone United International Trade Co., Ltd.was founded in 1996, specializing in the production and import and export of food additives,flavor raw materials and pharmaceutical and chemical raw materials. The company has experienced R&D and business personnel,product quality, low price, efficient service and fast insight and grasp the latest market information. Email: Info Email: Sales Voice: +86-532-83893699 Fax: +86-532-83893695 Product(s): 6006 2,5-Dimethylthio phene
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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): 2,5-Dimethylthiophenol
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| CAS Number: | 638-02-8 |  3D/inchi
|
| ECHA EINECS - REACH Pre-Reg: | 211-313-9 | |
| FDA UNII: | V6DDX6WB12 | |
| Nikkaji Web: | J6.920E | |
| Beilstein Number: | 0106450 | |
| MDL: | MFCD00005452 | |
| CoE Number: | 11609 | |
| XlogP3-AA: | 2.40 (est) | |
| Molecular Weight: | 112.19476000 | |
| Formula: | C6 H8 S | |
| NMR Predictor: | Predict (works with chrome, Edge or firefox) | |
| EFSA/JECFA Comments: | No longer supported by Industry (DG SANCO, 2013). | |
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 |
| DG SANTE Food Flavourings: | 15.064 2,5-dimethylthiophene |
Physical Properties:
| Appearance: | colorless to orange brown clear liquid (est) |
| Assay: | 95.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Specific Gravity: | 0.98200 to 0.98800 @ 25.00 °C. |
| Pounds per Gallon - (est).: | 8.171 to 8.221 |
| Refractive Index: | 1.50800 to 1.51400 @ 20.00 °C. |
| Melting Point: | -62.60 °C. @ 760.00 mm Hg |
| Boiling Point: | 135.00 °C. @ 760.00 mm Hg |
| Vapor Pressure: | 8.982000 mmHg @ 25.00 °C. (est) |
| Vapor Density: | 3.8 ( Air = 1 ) |
| Flash Point: | 75.00 °F. TCC ( 23.89 °C. ) |
| logP (o/w): | 2.523 (est) |
| Soluble in: | |
| alcohol | |
| water, 351.5 mg/L @ 25 °C (est) | |
| Insoluble in: | |
| water | |
Organoleptic Properties:
| Odor Type: sulfurous | |
| nutty sulfurous | |
| Odor Description: at 0.10 % in propylene glycol. | nutty sulfury |
| Flavor Type: green | |
| green sulfurous | |
| Taste Description: | green sulfurous |
| Odor and/or flavor descriptions from others (if found). | |
Cosmetic Information:
| None found |
Suppliers:
Safety Information:
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xi - Irritant | |
|
R 10 - Flammable. 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 36/37/39 - Wear suitable clothing, gloves and eye/face protection. | |
| 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: | |
|
oral-rat LD50 588 mg/kg | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in Use Information:
| Category: | flavoring agents | ||
| Recommendation for 2,5-dimethyl thiophene usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.23 (μg/capita/day) | ||
| Modified Theoretical Added Maximum Daily Intake (mTAMDI): | 78 (μg/person/day) | ||
| Threshold of Concern: | 540 (μg/person/day) | ||
| Structure Class: | II | ||
| 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): | 0.20000 | 1.00000 | |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0): | 0.10000 | 0.50000 | |
| Edible ices, including sherbet and sorbet (03.0): | 0.20000 | 1.00000 | |
| Processed fruit (04.1): | 0.20000 | 1.00000 | |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - | |
| Confectionery (05.0): | 0.20000 | 1.00000 | |
| Chewing gum (05.0): | - | - | |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 0.10000 | 0.50000 | |
| Bakery wares (07.0): | 0.20000 | 1.00000 | |
| Meat and meat products, including poultry and game (08.0): | 0.10000 | 0.20000 | |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | 0.10000 | 0.20000 | |
| 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): | 0.10000 | 0.50000 | |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | 0.20000 | 1.00000 | |
| Ready-to-eat savouries (15.0): | 0.40000 | 2.00000 | |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | 0.10000 | 0.50000 | |
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): | |
| Flavouring Group Evaluation 21: Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29. Miscellaneous substances from chemical group 30. (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 76, (FGE.76)[1] - Consideration of sulphur-containing heterocyclic compounds evaluated by JECFA (59th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29, miscellaneous substances from chemical group 30 evaluated by EFSA in FGE.21 - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food View page or View pdf | |
| Flavouring Group Evaluation 21, Revision 1 (FGE.21Rev1): Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29 Miscellaneous substances from chemical group 30 View page or View pdf | |
| Flavouring Group Evaluation 93 (FGE.93): Consideration of sulphur heterocyclic evaluated by JECFA (68th meeting) structurally related to thiazoles, thiophene, thiazoline and thienyl evaluated by EFSA in FGE.21Rev1 (2009) View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 21, Revision 2 (FGE.21Rev2): Thiazoles, thiophene, thiazoline and thienyl derivatives from chemical group 29. Miscellaneous substances from chemical group 30. View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 21, Revision 3 (FGE.21Rev3): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf | |
| Statement on List of Representative Substances for Testing.
The current Statement lays down a list of substances in sub-groups with representative substances for which additional data are required prior to their evaluation through the Procedure (Regulation (EC) No 1565/2000). View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 21, Revision 4 (FGE.21Rev4): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf | |
| Scientific Opinion on Flavouring Group Evaluation 21, Revision 5 (FGE.21Rev5): Thiazoles, thiophenes, thiazoline and thienyl derivatives from chemical groups 29 and 30 View page or View pdf | |
| EPI System: | View |
| AIDS Citations: | Search |
| Cancer Citations: | Search |
| Toxicology Citations: | Search |
| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 12514 |
| National Institute of Allergy and Infectious Diseases: | Data |
| WISER: | UN 1993 |
| WGK Germany: | 3 |
| 2,5-dimethylthiophene | |
| Chemidplus: | 0000638028 |
References:
| 2,5-dimethylthiophene | |
| NIST Chemistry WebBook: | Search Inchi |
| Pubchem (cid): | 12514 |
| Pubchem (sid): | 134978531 |
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 |
| HMDB (The Human Metabolome Database): | HMDB32979 |
| FooDB: | FDB010966 |
| Export Tariff Code: | 2934.99.9000 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
Potential Blenders and core components note
| For Odor | ||
| coffee | ||
| coffee | ||
| coffee difuran | FL/FR | |
| floral | ||
| 6,8- | dimethyl-2-nonanol | FR |
| papaya isobutyrate | FL/FR | |
| meaty | ||
| meaty dithiane | FL/FR | |
| 4- | methyl nonanoic acid | FL/FR |
| sulfurol | FL/FR | |
| sulfuryl acetate | FL/FR | |
| sulfurous | ||
| fish thiol | FL/FR | |
| grapefruit menthane | FL/FR | |
| For Flavor | ||
| No flavor group found for these | ||
| benzyl methyl sulfide | FL | |
| 1-(2- | thienyl) butanone | FL |
| coffee | ||
| coffee difuran | FL/FR | |
| 2,4- | dimethyl thiazole | FL |
| corn chip | ||
| 2- | acetyl-2-thiazoline | FL |
| eggy | ||
| iso | propyl mercaptan | FL |
| fatty | ||
| 4- | methyl nonanoic acid | FL/FR |
| 2,4- | octadien-1-ol | FL |
| green | ||
| papaya isobutyrate | FL/FR | |
| meaty | ||
| meaty dithiane | FL/FR | |
| 3- | mercapto-2-butanone | FL |
| 2- | methyl 3-(methyl thio) furan | FL |
| 2- | methyl-3-tetrahydrofuran thiol | FL |
| 2- | pyridinyl methane thiol | FL |
| sulfurol | FL/FR | |
| sulfuryl acetate | FL/FR | |
| nutty | ||
| nutty thiazole | FL | |
| sulfurous | ||
| fish thiol | FL/FR | |
| grapefruit menthane | FL/FR | |
| 3- | methyl-2-butane thiol | FL |
Potential Uses:
| beef | FL | |
| chicken | FL | |
| garlic | FL | |
| nut | FL | |
| onion | FL |
Occurrence (nature, food, other): note
| beef cooked beef Search PMC Picture | |
| beef grilled beef Search PMC Picture | |
| chicken Search PMC Picture | |
| garlic bulb Search Trop Picture | |
| garlic oil Search Trop Picture | |
| onion oil Search Trop Picture | |
| papaya mountain papaya - up to 0.01 mg/kg Search Trop Picture | |
| shallot Search Trop Picture | |
| whiskey - up to 0.0007 mg/kg Search Picture |
Synonyms:
| 2,5- | dimethylthiophene |
| thiophene, 2,5-dimethyl- |