2-acetyl thiophene
Organoleptic which contributes to several aromas
  • Beijing Lys Chemicals
    • 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. Guo86-10-68483445
      Mr. Guo86-10-68418739
      10070 2-Acetylthiophene
  • CTC Organics
    • CTC Organics
      For More Than 40 Year
      Your source for rare aroma chemicals for the flavor and fragrance industy.
      “The world is run by middle men.” The number of times I have heard Dr. Liu utter those words are innumerable. He loved reciting and recording famous quotes and had many of his own. Among his many talents, Dr. Liu had a unique genius in the area of chemistry. He had an uncanny understanding of the pulse of the chemical industry and was a superb salesman.
      US Email: Customer Service
      US Voice: (404) 524-6744
      US Fax: (404) 577-1651
      W01323 2-acetylthiophene
  • DeLong Chemicals America
    • DeLong Chemicals America
      Custom Manufacturing
      Supplier of aroma chemicals, pharmaceutical and specialty chemical intermediates.
      DeLong Chemicals America, LLC is an extension of Shijiazhuang Lida Chemical Co, Ltd to North America, a leading supplier and manufacturer of aroma chemicals, serving the industries of food, tobacco and perfume, while also providing intermediates, custom synthesis and custom manufacturing for pharmaceutical and specialty chemical industries.
      US Email: Customer Service
      US Email: Sales
      US Voice: (203) 271-9017
      New products
      9919 2-Acetyl thiophene, Kosher
  • Frutarom
    • Frutarom Ltd
      Discover Our Passion
      Your preferred partner for flavour and fragrance success.
      At Frutarom, we take pride in our expertise and knowledge of Flavour & Fragrance Ingredients and our thorough understanding of the needs of Flavourists, Perfumers and Food Technologists. Working closely with our customers we have a strong track record of providing unique solutions to fulfil requirements.
      US Email: Info- USA
      Email: Info - UK
      Voice: +44 (0) 1429 863 222
      US Voice: +1 513 870 4900
      Products List: View
      A0450-0 2-ACETYL THIOPHENE
  • Jiangyin Healthway
    • Jiangyin Healthway International Trade Co.
      Independent Ingredients Supplier
      We provide custom synthesis and contract manufacturing from milligrams to metric tonnes.
      Jiangyin Healthway International Trade Co., Ltd is a professional company, main engaged in manufacturing and exporting aroma chemicals ,food additives , cosmetic ingredient ,pharmaceutical intermediates & other fine chemicals; especially on aroma chemicals , as the major manufacturer of heterocyclic and sulphur aroma compounds , we are the leading independent ingredients supplier to the flavour and fragrance industries in China, can offer hundreds of different high quality aroma chemicals.
      Email: Info
      Email: Sales
      Voice: 86-510-86023169
      Fax: 86-510-86023170
      Natural Food Colour
      New functional food ingredients
      HL0188 2-Acetyl Thiophene
  • Lluch Essence
    • Lluch Essence S.L.
      A family company dedicated to sales and distribution
      Flexibility, availability, price and quality.
      Flexibility, availability, price and quality make LLUCH ESSENCE S.L. one of Europe’s references when it comes to essential oils and aroma chemicals, and it is now well known all around the world.
      Email: Info
      Voice: 34 93 379 38 49
      Fax: 34 93 370 65 04
  • M&U International
    • 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. We warmly welcome your inquiries, come witness our solemn commitment for yourself.
      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
      A0299 2-ACETYL THIOPHENE, Kosher
  • Penta International
    • 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
      01-10600 2-ACETYLTHIOPHENE, Kosher
  • Treatt
    • 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
  • Robinson Brothers
  • Sigma-Aldrich
    • 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
      Certified Food Grade Products
      W503509 2-Acetylthiophene, ≥98%, FG
      Moving Your Chemistry Forward
      We continuously strive to advance our technology.
      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 60 years of synthesis experience and multi-purpose plants enable TCI to offer more than 27,000 products as well as custom synthesis. TCI established overseas facilities in North America, Europe, China and India to serve customers worldwide.
      Email: Sales
      US Email: Sales
      Email: Global Business
      Voice: +81-3-5640-8878
      Fax: +81-3-5640-8902
      US Voice: 800-423-8616
      US Fax: 888-520-1075
      Tokyo Tel:03-5640-8851
      Tokyo Fax:03-5640-8865
      A0724 2-Acetylthiophene >98.0%(GC)
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    Flavor Demo Formulas
1-thiophen-2-ylethanone (Click)
CAS Number: 88-15-3Picture of molecule
ECHA EINECS - REACH Pre-Reg: 201-804-6
Nikkaji Web: J4.289G
Beilstein Number: 0107910
MDL: MFCD00005442
CoE Number: 11728
XlogP3: 1.20 (est)
Molecular Weight: 126.17802000
Formula: C6 H6 O S
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
Category: flavor and fragrance 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
Flavis Number: 15.040 (Old)
DG SANTE Food Flavourings: 15.040  2-acetylthiophene
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Physical Properties:
Appearance: colorless to pale yellow clear liquid (est)
Assay: 98.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 1.16400 to 1.17100 @  25.00 °C.
Pounds per Gallon - (est).: 9.686 to  9.744
Refractive Index: 1.56300 to 1.56900 @  20.00 °C.
Melting Point: 34.00 °C. @ 760.00 mm Hg
Boiling Point: 213.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.172000 mm/Hg @ 25.00 °C. (est)
Flash Point: 204.00 °F. TCC ( 95.56 °C. )
logP (o/w): 1.250
Shelf Life: 12.00 month(s) or longer if stored properly.
Storage: store in cool, dry place in tightly sealed containers, protected from heat and light.
Soluble in:
 water, 14000 mg/L @ 30 °C (exp)
Insoluble in:
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Organoleptic Properties:
Odor Type: sulfurous
 sulfurous  nutty  hazelnut  walnut  
Odor Description:
at 100.00 %. 
sulfurous nutty hazelnut walnut
 onion  malty  roasted  
Taste Description:
onion, malty, roasted
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Cosmetic Information:
None found
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Anhui Suzhou Jinli Aromatic Chemicals
2-Acetyl Thiophene
Odor: fried hazel nut, walnut
Beijing Lys Chemicals
BOC Sciences
For experimental / research use only.
2-Acetyl Thiophene 95%
CTC Organics
DeLong Chemicals America
2-Acetyl thiophene, Kosher
Jiangyin Healthway
2-Acetyl Thiophene
New functional food ingredients
Jinan Enlighten Chemical Technology(Wutong Aroma )
2-Acetyl thiophene Kosherk
Lluch Essence
M&U International
Matrix Scientific
For experimental / research use only.
2-Acetylthiophene, 99%
Pearlchem Corporation
2-Acetyl Thiophene
Penta International
Reincke & Fichtner
Robinson Brothers
2-Acetylthiophene F&F
2-Acetylthiophene, ≥98%, FG
Certified Food Grade Products
For experimental / research use only.
2-Acetylthiophene >98.0%(GC)
Tengzhou Jitian Aroma Chemiclal
2-Acetyl Thiophene
Tengzhou Xiang Yuan Aroma Chemicals
2-Acetyl Thiophene
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
T - Toxic.
R 25 - Toxic if swallowed.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
S 23 - Do not breath vapour.
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
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
intraperitoneal-mouse LD50  40 mg/kg
National Technical Information Service. Vol. AD691-490

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavor and fragrance agents
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.049 (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/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 0.200001.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 0.100000.50000
Edible ices, including sherbet and sorbet (03.0): 0.200001.00000
Processed fruit (04.1): 0.200001.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 0.200001.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.100000.50000
Bakery wares (07.0): 0.200001.00000
Meat and meat products, including poultry and game (08.0): 0.100000.20000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 0.100000.20000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 0.100000.50000
Foodstuffs intended for particular nutritional uses (13.0): 0.200001.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 0.100000.50000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 0.400002.00000
Ready-to-eat savouries (15.0): 0.400002.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 0.100000.50000
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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
Env. Mutagen Info. Center: Search
EPA Substance Registry Services (TSCA): 88-15-3
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 6920
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 2810
WGK Germany: 3
Chemidplus: 0000088153
RTECS: OB6300000 for cas# 88-15-3
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 88-15-3
Pubchem (cid): 6920
Pubchem (sid): 134972021
Flavornet: 88-15-3
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (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): HMDB33133
FooDB: FDB011134
YMDB (Yeast Metabolome Database): YMDB01431
Export Tariff Code: 2934.99.9000
Haz-Map: View
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
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Potential Blenders and core components note
For Odor
2-methoxy-3-methyl pyrazineFL/FR
5-acetyl-4-methyl thiazole 
2-methyl-3-pentenoic acidFL/FR
For Flavor
No flavor group found for these
5-acetyl-4-methyl thiazole 
2-methyl-3-pentenoic acidFL/FR
 pyrazinyl methyl sulfideFL
 methyl ethoxypyrazineFL
 hordeum vulgare extract (cereal grass)FL
2,5-diethyl-3-methyl pyrazineFL
2-methoxy-3-methyl pyrazineFL/FR
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Potential Uses:
 beef roasted beef 
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Occurrence (nature, food, other): note
 asparagus - trace amount
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 coffee - up to 1.25 mg/kg
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 kohlrabi - 0.02 mg/kg
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 kohlrabi stem
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 pork grilled, roasted pork - up to 0.00002 mg/kg
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2-aceto thiophene
alpha-acetyl thiophene
 ethanone, 1- (2-thienyl)-
 ethanone, 1-(2-thienyl)-
 ketone, methyl 2-thienyl
 methyl 2-thienyl ketone
 methyl-2-thienyl ketone
2-thienyl methyl ketone
1-(2-thienyl) ethanone
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