2-methyl-1-butane thiol
2-methylbutyl mercaptan

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  Beijing Lys Chemicals Co, LTD.

  From Grams to Tons
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  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.
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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.
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  M&U International LLC

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  Penta International Corporation

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  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.
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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.
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  TH0010 2-Methyl-1-butanethiol

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  Sigma-Aldrich

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  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.
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  W330302 2-Methyl-1-butanethiol, ≥95%, FG
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• 
  Synerzine, Inc.

  Innovation. Customization. Aroma Ingredients.
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  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.
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  TCI AMERICA

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  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.
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  R C Treatt and Co Ltd

  Innovative ingredient solutions
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  WholeChem, LLC

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  2-Methyl-1-butanethiol

Name: 2-methylbutane-1-thiol CAS Number: 1878-18-8 3D/inchi Other(deleted CASRN): 110549-12-7 ECHA EINECS - REACH Pre-Reg: 217-515-3 FDA UNII: 8ZRO873BR6 Nikkaji Web: J44.080I MDL: MFCD00004883 CoE Number: 11509 XlogP3-AA: 2.20 (est) Molecular Weight: 104.21564000 Formula: C5 H12 S NMR Predictor: Predict (works with chrome, Edge or firefox) Name: (2R)-2-methylbutane-1-thiol CAS Number: 1878-18-8 (R) 3D/inchi FDA UNII: Search XlogP3-AA: 2.20 (est) Molecular Weight: 104.21564000 Formula: C5 H12 S NMR Predictor: Predict (works with chrome, Edge or firefox) Name: (2S)-2-methylbutane-1-thiol CAS Number: 1878-18-8 (S) 3D/inchi FDA UNII: Search XlogP3-AA: 2.20 (est) Molecular Weight: 104.21564000 Formula: C5 H12 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: 515 2-methyl-1-butanethiol DG SANTE Food Flavourings: 12.048 2-methylbutane-1-thiol FEMA Number: 3303 2-methyl-1-butanethiol FDA: No longer provide for the use of these seven synthetic flavoring substances FDA Mainterm (SATF): 1878-18-8 ; 2-METHYL-1-BUTANETHIOL   Physical Properties: Appearance: colorless clear liquid (est) Assay: 97.00 to 100.00 Food Chemicals Codex Listed: No Specific Gravity: 0.84600 to 0.84900 @ 20.00 °C. Pounds per Gallon - (est).: 7.048 to 7.073 Refractive Index: 1.44500 to 1.44800 @ 20.00 °C. Boiling Point: 116.00 to 118.00 °C. @ 760.00 mm Hg Vapor Pressure: 23.239000 mmHg @ 25.00 °C. (est) Flash Point: 67.00 °F. TCC ( 19.44 °C. ) logP (o/w): 2.814 (est) Soluble in:   alcohol   water, 599.2 mg/L @ 25 °C (est) Insoluble in:   water   Organoleptic Properties: Odor Type: sulfurous sulfurous meaty bloody Odor Description:at 0.10 % in propylene glycol. sulfurous meaty bloody Odor and/or flavor descriptions from others (if found).   Cosmetic Information: None found   Suppliers: Beijing Lys Chemicals 2-Methyl-1-butanethiol DeLong Chemicals America 2-Methylbutanethiol, Kosher Endeavour Specialty Chemicals 2-Methyl-1-butanethiol 95% F&F Speciality Chemical Product Groups M&U International 2-METHYL-1-BUTANETHIOL, Kosher Penta International 2-METHYL-1-BUTANETHIOL R C Treatt & Co Ltd 2-Methyl-1-butanethiol Halal, Kosher Robinson Brothers 2-Methyl-1-butanethiol https://www.robinsonbrothers.uk/chemistry-competences Santa Cruz Biotechnology For experimental / research use only. 2-Methyl-1-butanethiol Sigma-Aldrich 2-Methyl-1-butanethiol, ≥95%, FG sds Certified Food Grade Products Synerzine 2-Methyl-1-butanethiol TCI AMERICA For experimental / research use only. 2-Methyl-1-butanethiol >95.0%(GC) sds WholeChem 2-Methyl-1-butanethiol   Safety Information: Preferred SDS: View European information : Most important hazard(s): Xi - Irritant R 11 - Highly flammable. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 03/07/09 - Keep container tightly closed in cool, well-ventilated place. S 16 - Keep away from sources of ignition - No Smoking. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 33 - Take precautionary measures against static discharge. 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: Not determined Dermal Toxicity: Not determined Inhalation Toxicity: Not determined   Safety in Use Information: Category: flavoring agents Recommendation for 2-methyl-1-butane thiol usage levels up to:   not for fragrance use.   Maximised Survey-derived Daily Intakes (MSDI-EU): 0.30 (μg/capita/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: 5 Click here to view publication 5   average usual ppm average maximum ppm baked goods: - 0.80000 beverages(nonalcoholic): - 0.80000 beverages(alcoholic): - - breakfast cereal: - 0.80000 cheese: - - chewing gum: - - condiments / relishes: - - confectionery froastings: - - egg products: - - fats / oils: - - fish products: - - frozen dairy: - - fruit ices: - - gelatins / puddings: - - granulated sugar: - - gravies: - 0.80000 hard candy: - 0.80000 imitation dairy: - - instant coffee / tea: - - jams / jellies: - - meat products: - 0.80000 milk products: - 0.80000 nut products: - - other grains: - - poultry: - - processed fruits: - - processed vegetables: - - reconstituted vegetables: - - seasonings / flavors: - - snack foods: - - soft candy: - - soups: - 0.80000 sugar substitutes: - - sweet sauces: - -   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 8 (FGE.08)[1]: Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical group 20 View page or View pdf Flavouring Group Evaluation 8, Revision 1 (FGE.08Rev1): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf Scientific Opinion on Flavouring Group Evaluation 08, Revision 4 (FGE.08Rev4): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf EPI System: View AIDS Citations:Search Cancer Citations:Search Toxicology Citations:Search EPA Substance Registry Services (TSCA):1878-18-8 EPA ACToR:Toxicology Data EPA Substance Registry Services (SRS):Registry Laboratory Chemical Safety Summary :15877 National Institute of Allergy and Infectious Diseases:Data WISER:UN 1111 WGK Germany:3 2-methylbutane-1-thiol Chemidplus:0001878188 (2R)-2-methylbutane-1-thiol (2S)-2-methylbutane-1-thiol   References:   2-methylbutane-1-thiol NIST Chemistry WebBook: Search Inchi Canada Domestic Sub. List: 1878-18-8 Pubchem (cid): 15877 Pubchem (sid): 134979066   (2R)-2-methylbutane-1-thiol NIST Chemistry WebBook: Search Inchi Canada Domestic Sub. List: 1878-18-8 Pubchem (cid): 7058091 Pubchem (sid): 43647338   (2S)-2-methylbutane-1-thiol NIST Chemistry WebBook: Search Inchi Canada Domestic Sub. List: 1878-18-8 Pubchem (cid): 7058092 Pubchem (sid): 43647339   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): HMDB35418 FooDB: FDB014096 Export Tariff Code: 2930.90.9999 VCF-Online: VCF Volatile Compounds in Food ChemSpider: View FAO: 2-Methyl-1-butanethiol   Potential Blenders and core components note For Odor chocolate 2,5- dimethyl pyrazine FL/FR 2,6- dimethyl pyrazine FL/FR meaty sulfurol FL/FR sulfuryl acetate FL/FR nutty 2,4,5- trimethyl oxazole FL/FR sulfurous ethyl 2-mercaptopropionate FL/FR fish thiol FL/FR 2- mercaptopropionic acid FL/FR 4- methyl 4-mercaptopentan-2-one 1% solution FL/FR For Flavor No flavor group found for these benzyl methyl sulfide FL ethyl 4-(acetyl thio) butyrate FL 4- methyl 4-mercaptopentan-2-one 1% solution FL/FR 2- methyl-3-furyl tetrasulfide FL 1,9- nonane dithiol FL iso propyl disulfide FL 2,4- dimethyl-3-oxazoline FL 1-(2- thienyl) butanone FL alliaceous alliaceous 1,3- butane dithiol FL burnt 2,4,5- trimethyl oxazole FL/FR chemical 2,5- dimethyl furan FL coffee 2,4- dimethyl thiazole FL earthy 1,8- octane dithiol FL eggy iso propyl mercaptan FL fatty 2- pentyl thiophene FL meaty 2,6- dimethyl pyrazine FL/FR 2,6- dimethyl thiophenol FL 2,5- dimethyl-3-furan thiol FL furfuryl 2-methyl-3-furyl disulfide FL 3- mercapto-2-butanone FL 2- mercaptopropionic acid FL/FR 2- methyl 3-(methyl thio) furan FL 2- methyl-3-tetrahydrofuran thiol FL pyrazinyl ethane thiol FL 2- pyridinyl methane thiol FL sulfurol FL/FR sulfuryl acetate FL/FR ortho- thiocresol FL metallic 2,5- dihydroxy-1,4-dithiane FL musty 2,5- dimethyl pyrazine FL/FR onion ethyl 2-mercaptopropionate FL/FR roasted hexyl mercaptan FL sulfurous 2,3- butane dithiol FL fish thiol FL/FR methyl 2-methyl-3-furyl disulfide FL 3- methyl-2-butane thiol FL   Potential Uses: FL beef FL meat FL pork   Occurrence (nature, food, other):note   beef boiled beef Search PMC Picture   Synonyms:   butane-1-thiol, 2-methyl- 1- butanethiol, 2-methyl- 1- mercapto-2-methylbutane 2- methyl butane thiol 2- methyl butane-1-thiol 2- methyl butanethiol 2- methyl butyl mercaptan 2- methyl-1-butanethiol 2- methylbutane-1-thiol 2- methylbutanethiol 2- methylbutyl mercaptan   Articles: PubMed:Determination of sulphur compounds in beer using headspace solid-phase microextraction and gas chromatographic analysis with pulsed flame photometric detection.

Notes: Used as a food additive [EAFUS]