isopropyl 3-methyl thiocrotonate
S-isopropyl 3-methylbut-2-enethioate

Supplier Sponsors

• 
  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
  CODE150526 CODE150526
  Product(s):
  10684 S-Isopropyl 3-methylbut-2-enethioate

• 
  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!
  CODE150526 CODE150526
  Product(s):
  34365-79-2 isoPropyl 3-methylthio-2-butenoate

• 
  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
  CODE150526 CODE150526
  Product(s):
  TE0090 S-Isopropyl 3-methylbut-2-enethioate

• 
  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
  CODE150526 CODE150526
  Product(s):
  09-55200 S-ISOPROPYL-3-METHYLBUT-2-ENETHIOATE

• 
  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
  CODE150526 CODE150526
  Product(s):
  TE0090 S-Isopropyl 3-methylbut-2-enethioate

• 
  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
  CODE150526 CODE150526
  Product(s):
  S-Isopropyl 3-Methylbut-2-Enethioate

• 
  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
  CODE150526 CODE150526
  Product(s):
  Isopropyl 3-methylbut-2-enethioate

Name: S-propan-2-yl 3-methylbut-2-enethioate CAS Number: 34365-79-2 3D/inchi ECHA EINECS - REACH Pre-Reg: 251-966-7 FDA UNII: NZT1CT5W8U Nikkaji Web: J287.917D XlogP3-AA: 2.90 (est) Molecular Weight: 158.26378000 Formula: C8 H14 O S NMR Predictor: Predict (works with chrome, Edge 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 JECFA Food Flavoring: 1679 S-isopropyl 3-methylbut-2-enethioate DG SANTE Food Flavourings: 12.134 S-isopropyl 3-methylbut-2-enethioate FEMA Number: 4260 S-isopropyl 3-methylbut-2-enethioate FDA: No longer provide for the use of these seven synthetic flavoring substances FDA Mainterm (SATF): 34365-79-2 ; S-ISOPROPYL 3-METHYLBUT-2-ENETHIOATE   Physical Properties: Appearance: colorless to pale yellow clear liquid (est) Assay: 95.00 to 100.00 Food Chemicals Codex Listed: No Specific Gravity: 1.00600 to 1.01200 @ 25.00 °C. Pounds per Gallon - (est).: 8.371 to 8.421 Refractive Index: 1.48600 to 1.49200 @ 20.00 °C. Boiling Point: 236.00 °C. @ 760.00 mm Hg Acid Value: 1.00 max. KOH/g Vapor Pressure: 0.062000 mmHg @ 25.00 °C. (est) Vapor Density: 5.4 ( Air = 1 ) Flash Point: 149.00 °F. TCC ( 65.00 °C. ) logP (o/w): 2.709 (est) Soluble in:   alcohol   water, very slightly   water, 258.3 mg/L @ 25 °C (est) Insoluble in:   water Similar Items:note allyl crotonate isoamyl crotonate apple crotonate benzyl crotonate butyl (E)-2-crotonate citronellyl crotonate cyclohexyl crotonate dimethyl benzyl carbinyl crotonate ethyl (E)-2-crotonate ethyl crotonate fig crotonate geranyl crotonate heptyl crotonate (Z)-3-hexen-1-yl (E)-crotonate (E)-3-hexen-1-yl crotonate hexyl (E)-crotonate octyl crotonate phenethyl crotonate 3-phenyl propyl crotonate plum crotonate isopropyl (E)-crotonate propyl crotonate   Organoleptic Properties: Odor Type: green green galbanum alliaceous earthy Odor Description:at 1.00 % in dipropylene glycol. green galbanum alliaceous Odor and/or flavor descriptions from others (if found). Taytonn ASCC S-Isopropyl 3-Methylbut-2-Enethioate Odor Description:Galbanum, Green   Cosmetic Information: CosIng: cosmetic data Cosmetic Uses: perfuming agents   Suppliers: Axsyn For experimental / research use only. 2-Butenethioic acid,3-methyl-, S-(1-methylethyl) ester Beijing Lys Chemicals S-Isopropyl 3-methylbut-2-enethioate BOC Sciences For experimental / research use only. isoPropyl 3-methylthio-2-butenoate Endeavour Specialty Chemicals S-Isopropyl 3-methylbut-2-enethioate Speciality Chemical Product Groups Penta International S-ISOPROPYL-3-METHYLBUT-2-ENETHIOATE R C Treatt & Co Ltd Isopropyl 3-methylbut-2-enethioate Robinson Brothers S-Isopropyl 3-methylbut-2-enethioate https://www.robinsonbrothers.uk/chemistry-competences Taytonn ASCC S-Isopropyl 3-Methylbut-2-Enethioate Odor: Galbanum, Green   Safety Information: European information : Most important hazard(s): Xi - Irritant R 36/38 - Irritating to skin and eyes. 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 37/39 - Wear suitable 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: Not determined Dermal Toxicity: Not determined Inhalation Toxicity: Not determined   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 Recommendation for isopropyl 3-methyl thiocrotonate usage levels up to:   0.2000 % in the fragrance concentrate.   Maximised Survey-derived Daily Intakes (MSDI-EU): 0.012 (μg/capita/day) Maximised Survey-derived Daily Intakes (MSDI-USA): ND (μg/capita/day) Modified Theoretical Added Maximum Daily Intake (mTAMDI): 370 (μg/person/day) NOEL (No Observed Effect Level): 6.5 (mg/kg bw per day) Threshold of Concern: 1800 (μg/person/day) Structure Class: I 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: 23 Click here to view publication 23   average usual ppm average maximum ppm baked goods: 0.40000 2.00000 beverages(nonalcoholic): - - beverages(alcoholic): - - breakfast cereal: 0.20000 1.00000 cheese: 0.40000 2.00000 chewing gum: - - condiments / relishes: 0.20000 1.00000 confectionery froastings: 0.40000 2.00000 egg products: - - fats / oils: 0.20000 1.00000 fish products: 0.10000 0.40000 frozen dairy: 0.40000 2.00000 fruit ices: 0.40000 2.00000 gelatins / puddings: 0.40000 2.00000 granulated sugar: - - gravies: 0.20000 1.00000 hard candy: 0.40000 2.00000 imitation dairy: 0.40000 2.00000 instant coffee / tea: - - jams / jellies: - - meat products: 0.10000 0.40000 milk products: 0.40000 2.00000 nut products: - - other grains: 0.20000 1.00000 poultry: 0.10000 0.40000 processed fruits: 0.30000 1.50000 processed vegetables: - - reconstituted vegetables: - - seasonings / flavors: 0.20000 1.00000 snack foods: 1.00000 5.00000 soft candy: 0.40000 2.00000 soups: 0.20000 1.00000 sugar substitutes: - - sweet sauces: 0.20000 1.00000   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): 0.20000 1.00000 Edible ices, including sherbet and sorbet (03.0): 0.40000 2.00000 Processed fruit (04.1): 0.30000 1.50000 Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): - - Confectionery (05.0): 0.40000 2.00000 Chewing gum (05.3): - - Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.20000 1.00000 Bakery wares (07.0): 0.40000 2.00000 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): 0.20000 1.00000 Foodstuffs intended for particular nutritional uses (13.0): 0.40000 2.00000 Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 0.20000 1.00000 Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 0.40000 2.00000 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): Flavouring Group Evaluation 91 (FGE.91): Consideration of simple aliphatic and aromatic sulphides and thiols evaluated by JECFA (53rd and 68th meetings) structurally related to aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups evaluated by EFSA in FGE.08Rev1 (2009) View page or View pdf Scientific Opinion on Flavouring Group Evaluation 91, Revision 1 (FGE.91Rev1): Consideration of simple aliphatic and aromatic sulphides and thiols evaluated by JECFA (53rd and 68th meetings) structurally related to aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups evaluated by EFSA in FGE.08Rev3 (2011) View page or View pdf Scientific Opinion on Flavouring Group Evaluation 91, Revision 2 (FGE.91Rev2): Consideration of simple aliphatic and aromatic sulphides and thiols evaluated by the JECFA (53rd and 68th meetings) structurally related to aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups evaluated by EFSA in FGE.08Rev5 (2012) View page or View pdf Scientific Opinion on Flavouring Group Evaluation 91, Revision 3 (FGE.91Rev3): consideration of aliphatic, aromatic and a,ß-unsaturated sulfides and thiols evaluated by JECFA (53rd, 61st, 68th and 76th meetings), structurally related to substances in FGE.08Rev5 View page or View pdf EPI System: View AIDS Citations:Search Cancer Citations:Search Toxicology Citations:Search EPA Substance Registry Services (TSCA):34365-79-2 EPA ACToR:Toxicology Data EPA Substance Registry Services (SRS):Registry Laboratory Chemical Safety Summary :118658 National Institute of Allergy and Infectious Diseases:Data WGK Germany:3 S-propan-2-yl 3-methylbut-2-enethioate Chemidplus:0034365792   References:   S-propan-2-yl 3-methylbut-2-enethioate NIST Chemistry WebBook: Search Inchi Canada Domestic Sub. List: 34365-79-2 Pubchem (cid): 118658 Pubchem (sid): 135074836   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): HMDB32354 FooDB: FDB009654 VCF-Online: VCF Volatile Compounds in Food ChemSpider: View   Potential Blenders and core components note For Odor balsamic cotinus coggygria branch/leaf oil FL/FR fruity allyl amyl glycolate FR green S-sec- butyl thioisovalerate FL/FR galbanum decatriene FL/FR galbanum oxyacetate FR galbascone (IFF) FR leafy oxime FR iso propyl thioisovalerate FL/FR spirogalbanone (Givaudan) FR tropical cis- galbanum oxathiane FL/FR 2- tropical oxathiane FL/FR For Flavor No flavor group found for these S-sec- butyl thioisovalerate FL/FR cotinus coggygria branch/leaf oil FL/FR iso propyl thioisovalerate FL/FR green green galbanum decatriene FL/FR cis- galbanum oxathiane FL/FR tropical 2- tropical oxathiane FL/FR   Potential Uses: FR galbanum FR green   Occurrence (nature, food, other):note   found in nature   Synonyms: 2- butenethioic acid, 3-methyl-, S-(1-methylethyl) ester S-1- methyl ethyl 3-methyl but-2-ene thioate 3- methyl-2-butene thioic acid S-(1-methyl ethyl) ester S-1- methylethyl 3-methylbut-2-enethioate S-(1- methylethyl) 3-methyl-2-butenethioate 2- nutenethioic acid,3-methyl-, S-(1-methylethyl) ester S- propan-2-yl 3-methylbut-2-enethioate S-iso propyl 3-methyl but-2-ene thioate iso propyl 3-methyl thio-2-butenoate S-iso propyl 3-methyl thiocrotonate S-iso propyl 3-methylbut-2-enethioate iso propyl 3-methylthio-2-butenoate S-iso propyl 3-methylthiocrotonate iso propyl thio-3-methylcrotonate S-iso propyl thiosenecioate   Articles:   None found yet. Try the PubMed Search.

Notes: Used as a food additive [EAFUS]