Articles:
| US Patents: | 3,952,024 - Furfurylthioacetone |
| US Patents: | Certain 2,5-dimethyl-3-thiopyrazines |
| US Patents: | Flavoring agent |
1-(5-methylthiophen-2-yl)ethanone
Notes:
Organoleptic. Constit. of coffee aroma.
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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): 10689 2-Acetyl-5-methylthiophene
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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): 13679-74-8 2-Acetyl-5-methylthiophene
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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): TP0040 2-Acetyl-5-methylthiophene 98% F&F
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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): 01-09000 2-ACETYL-5-METHYLTHIOPHENE
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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): TP0040 2-Acetyl-5-methylthiophene F&F
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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): A1181 2-Acetyl-5-methylthiophene >96.0%(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-072 2-Acetyl-5-methylthiophene
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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-Acetyl-5-methylthiophene Kosher
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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-Acetyl-5-methylthiophene
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| CAS Number: | 13679-74-8 |  3D/inchi
|
| ECHA EINECS - REACH Pre-Reg: | 237-181-2 | |
| FDA UNII: | 2HS3I278W9 | |
| Nikkaji Web: | J45.610A | |
| Beilstein Number: | 0110854 | |
| MDL: | MFCD00014529 | |
| XlogP3-AA: | 2.00 (est) | |
| Molecular Weight: | 140.20496000 | |
| Formula: | C7 H8 O S | |
| NMR Predictor: | Predict (works with chrome, Edge 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 |
| JECFA Food Flavoring: | 2107 2-acetyl-5-methylthiophene |
| FEMA Number: | 4643 2-acetyl-5-methylthiophene |
| FDA: | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF): | 13679-74-8 ; 2-ACETYL-5-METHYLTHIOPHENE |
Physical Properties:
| Appearance: | colorless to pale yellow liquid to crystalline powder (est) |
| Assay: | 95.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Specific Gravity: | 1.12000 to 1.13000 @ 20.00 °C. |
| Pounds per Gallon - (est).: | 9.330 to 9.414 |
| Refractive Index: | 1.55700 to 1.56700 @ 20.00 °C. |
| Melting Point: | 24.00 to 28.00 °C. @ 760.00 mm Hg |
| Boiling Point: | 232.00 to 234.00 °C. @ 760.00 mm Hg |
| Boiling Point: | 65.00 to 67.00 °C. @ 1.00 mm Hg |
| Vapor Pressure: | 0.052000 mmHg @ 25.00 °C. (est) |
| Flash Point: | 204.00 °F. TCC ( 95.56 °C. ) |
| logP (o/w): | 1.345 (est) |
| Soluble in: | |
| alcohol | |
| water, 1510 mg/L @ 25 °C (est) | |
| Insoluble in: | |
| water | |
| Similar Items: note | |
| 2-acetyl-3-methyl thiophene | |
Organoleptic Properties:
| Odor Type: spicy | |
| Odor Strength: | high , recommend smelling in a 1.00 % solution or less |
| Substantivity: | 11 hour(s) at 100.00 % |
| sweet spicy honey hawthorn almond acacia hyacinth caramellic graham cracker | |
| Odor Description: at 1.00 % in propylene glycol. | sweet spicy honey hawthorn almond acacia hyacinth caramellic graham cracker Luebke, William tgsc, (2017) |
| Flavor Type: floral | |
| sweet floral green nutty almond honey acacia caramellic hawthorn | |
| Taste Description: | sweet floral green nutty almond honey acacia caramellic hawthorn Luebke, William tgsc, (2017) |
| 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): | |
| Xn - Harmful. | |
|
R 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. S 02 - Keep out of the reach of children. S 20/21 - When using do not eat, drink or smoke. 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. S 45 - In case of accident or if you feel unwell seek medical advice immediately. | |
| 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 230 mg/kg LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Annales Pharmaceutiques Francaises. Vol. 5, Pg. 16, 1947. | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in Use Information:
| Category: | flavoring agents | ||
| Recommendation for 2-acetyl-5-methyl thiophene usage levels up to: | |||
| not for fragrance use. | |||
| 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: 24 | |||
| Click here to view publication 24 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | 0.00500 | 0.05000 | |
| beverages(nonalcoholic): | 0.00100 | 0.01000 | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | - | |
| fruit ices: | - | - | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | - | |
| hard candy: | - | - | |
| imitation dairy: | - | - | |
| instant coffee / tea: | 0.00100 | 0.01000 | |
| jams / jellies: | - | - | |
| meat products: | - | - | |
| milk products: | - | - | |
| nut products: | - | - | |
| other grains: | - | - | |
| poultry: | - | - | |
| processed fruits: | - | - | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | - | - | |
| snack foods: | - | - | |
| soft candy: | - | - | |
| soups: | - | - | |
| sugar substitutes: | - | - | |
| sweet sauces: | 0.00300 | 0.10000 | |
Safety References:
| 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 : | 83655 |
| National Institute of Allergy and Infectious Diseases: | Data |
| WISER: | UN 3082 |
| WGK Germany: | 3 |
| 1-(5-methylthiophen-2-yl)ethanone | |
| Chemidplus: | 0013679748 |
| RTECS: | OB4972000 for cas# 13679-74-8 |
References:
| 1-(5-methylthiophen-2-yl)ethanone | |
| NIST Chemistry WebBook: | Search Inchi |
| Pubchem (cid): | 83655 |
| Pubchem (sid): | 135041228 |
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 |
| FDA Substances Added to Food (formerly EAFUS): | View |
| HMDB (The Human Metabolome Database): | HMDB33130 |
| FooDB: | FDB011131 |
| Export Tariff Code: | 2934.99.9000 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
Potential Blenders and core components note
Potential Uses:
| balsam | FR | |
| coffee | FR | |
| floral | FR | |
| hyacinth | FR | |
| spicy |
Occurrence (nature, food, other): note
| beef cooked beef Search PMC Picture | |
| coffee Search PMC Picture | |
| krill Search PMC Picture | |
| pork liver Search PMC Picture |
Synonyms:
| 2- | acetyl-5-methylthiophene |
| ethanone, 1-(5-methyl-2-thienyl)- | |
| ketone, methyl 5-methyl-2-thienyl | |
| methyl 5-methyl-2-thienyl ketone | |
| 5- | methyl-2-acetyl thiophene |
| 5- | methyl-2-acetylthiophene |
| 1-(5- | methyl-2-thienyl) ethan-1-one |
| (5- | methyl-2-thienyl) ethanone |
| 1-(5- | methyl-2-thienyl)ethan-1-one |
| (5- | methyl-2-thienyl)ethanone |
| 1-(5- | methyl-2-thienyl)ethanone |
| 1-(5- | methyl-2-thiophenyl)ethanone |
| 1-(5- | methyl-thiophen-2-yl)-ethanone |
| 1-(5- | methylthien-2-yl)ethanone |
| 1-(5- | methylthiophen-2-yl)ethanone |
| thiophene, 2-acetyl-5-methyl- |