isoamyl mercaptan
3-methylbutanethiol
 
Notes:
Found in beer. Flavouring agent
  • 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.
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      10163 3-Methyl-1-butanethiol
       
  • 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.
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      A0317 3-METHYL-1-BUTANETHIOL, Kosher
       
  • Penta International
    • Penta International Corporation
      Chemistry innovation
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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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      Product(s):
      13-29395 3-METHYL-1-BUTANETHIOL
       
  • Sigma-Aldrich
  • Synerzine
    • 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.
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      Product(s):
      W14061 3-Methyl-1-butanethiol
       
  • TCI AMERICA
    • 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.
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      Product(s):
      I0149 isoAmyl Mercaptan >94.0%(T)
       
  • R C Treatt & Co Ltd
    • 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.
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      3-Methylbutanethiol
       
  • WholeChem
    • WholeChem, LLC
      Connecting Innovators To the Building Blocks Of the Universe
      Custom manufacturer and distributor of specialty ingredients. We make global local.
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      Product(s):
      3-Methyl-1-butanethiol
       
Synonyms   Articles   Notes   Search
CAS Number: 541-31-1Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg: 208-774-3
FDA UNII: MMK4SUN45E
Nikkaji Web: J8.667C
Beilstein Number: 1731178
MDL: MFCD00004899
XlogP3-AA: 2.20 (est)
Molecular Weight: 104.21564000
Formula: C5 H12 S
NMR Predictor: Predict (works with chrome 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: 513  3-methylbutanethiol
DG SANTE Food Flavourings: 12.171  3-methylbutane-1-thiol
FEMA Number: 3858 3-methylbutanethiol
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF):541-31-1 ; 3-METHYLBUTANETHIOL
Synonyms   Articles   Notes   Search   Top
Physical Properties:
Appearance: colorless clear liquid (est)
Assay: 97.00 to 100.00 % 
Food Chemicals Codex Listed: No
Specific Gravity: 0.83100 to 0.83800 @  25.00 °C.
Pounds per Gallon - (est).: 6.915 to  6.973
Refractive Index: 1.44300 to 1.44600 @  20.00 °C.
Boiling Point: 119.00 to  120.00 °C. @ 760.00 mm Hg
Vapor Pressure: 23.200000 mmHg @ 25.00 °C.
Flash Point: 65.00 °F. TCC ( 18.33 °C. )
logP (o/w): 2.670
Soluble in:
 alcohol
 oils
 water, 599.2 mg/L @ 25 °C (est)
Insoluble in:
 water
Similar Items: note
allyl mercaptan
amyl mercaptan
sec-amyl mercaptan
tert-amyl mercaptan
benzyl mercaptan
buchu mercaptan
butyl mercaptan
isobutyl mercaptan
tert-butyl mercaptan
cetyl mercaptan
cyclohexyl mercaptan
cyclopentyl mercaptan
decyl mercaptan
dodecyl mercaptan
2-ethyl hexyl mercaptan
ethyl mercaptan
ethylene mercaptan
furfuryl mercaptan
grapefruit mercaptan
heptyl mercaptan
hexyl mercaptan
methyl mercaptan
2-naphthyl mercaptan
nonyl mercaptan
octyl mercaptan
peach mercaptan
1-phenethyl mercaptan
2-phenethyl mercaptan
phenyl mercaptan
prenyl mercaptan
propyl mercaptan
isopropyl mercaptan
2-thienyl mercaptan
3-thienyl mercaptan
tridecyl mercaptan
undecyl mercaptan
Synonyms   Articles   Notes   Search   Top
Organoleptic Properties:
 
Odor Type: sulfurous
 
 sulfurous  onion  onion green onion  garlic  
Odor Description:
at 0.10 % in propylene glycol. 
sulfurous onion green onion garlic
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
Synonyms   Articles   Notes   Search   Top
Suppliers:
Beijing Lys Chemicals
3-Methyl-1-butanethiol
Carbosynth
For experimental / research use only.
3-Methyl-1-butanethiol
DeLong Chemicals America
3-Methylbutanethiol, Kosher
M&U International
3-METHYL-1-BUTANETHIOL, Kosher
Penta International
3-METHYL-1-BUTANETHIOL
R C Treatt & Co Ltd
3-Methylbutanethiol
Santa Cruz Biotechnology
For experimental / research use only.
3-Methyl-1-butanethiol
Shijiazhuang Donglian Nankai Aroma Chemicals
3-Methyl-1-butanethiol
Odor: Mercaptan odor, with the smell of green onion and garlic after dilution
Sigma-Aldrich
3-Methyl-1-butanethiol, ≥97%
Certified Food Grade Products
Synerzine
3-Methyl-1-butanethiol
TCI AMERICA
For experimental / research use only.
isoAmyl Mercaptan >94.0%(T)
WholeChem
3-Methyl-1-butanethiol
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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 02 - Keep out of the reach of children.
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 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
Synonyms   Articles   Notes   Search   Top
Safety in Use Information:
Category: flavoring agents
Recommendation for isoamyl mercaptan usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): ND (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: 18
Click here to view publication 18
 average usual ppmaverage maximum ppm
baked goods: 0.100005.00000
beverages(nonalcoholic): 0.100005.00000
beverages(alcoholic): --
breakfast cereal: 0.100005.00000
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: 0.100005.00000
fruit ices: --
gelatins / puddings: --
granulated sugar: --
gravies: 0.100005.00000
hard candy: --
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 0.100005.00000
milk products: 0.100005.00000
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: 0.200002.00000
snack foods: --
soft candy: 0.100005.00000
soups: 0.100005.00000
sugar substitutes: --
sweet sauces: 0.100005.00000
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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 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
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 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): 541-31-1
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 10925
National Institute of Allergy and Infectious Diseases: Data
WISER: UN 1228
WGK Germany: 3
 3-methylbutane-1-thiol
Chemidplus: 0000541311
Synonyms   Articles   Notes   Search   Top
References:
 3-methylbutane-1-thiol
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 10925
Pubchem (sid): 134975936
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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): HMDB33902
FooDB: FDB012097
Export Tariff Code: 2930.90.9190
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Wikipedia: View
FAO: 3-Methylbutanethiol
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Potential Blenders and core components note
 
For Odor
alliaceous
 dimethyl trisulfideFL/FR
 dipropyl disulfideFL/FR
 ferula assa-foetida gum oilFL/FR
 methyl furfuryl disulfideFL/FR
 propyl mercaptanFL/FR
citrus
 grapefruit mercaptanFL/FR
coffee
 coffee difuranFL/FR
ethereal
2-methyl-1-butanolFL/FR
meaty
 meaty dithianeFL/FR
spicy
 ethyl vinyl ketoneFL/FR
 dimethyl disulfideFL/FR
 dimethyl sulfideFL/FR
 ferula assa-foetida absoluteFL/FR
 methyl 3-(methyl thio) propionateFL/FR
2-methyl 5-(methyl thio) furanFL/FR
O-methyl S-1-methoxyhexan-3-yl carbonothioateFL/FR
3-(methyl thio) hexanolFL/FR
2-(methyl thio) phenolFL/FR
 onion oilFL/FR
 onion oil CO2 extractFL/FR
 onion oil dutchFL/FR
 onion oil egyptFL/FR
 onion oil mexicoFL/FR
4-tropical oxathianeFL/FR
tropical
trans-galbanum oxathianeFL/FR
cis-galbanum oxathianeFL/FR
 
For Flavor
 
No flavor group found for these
 allyl methyl disulfideFL
 allyl methyl trisulfideFL
 allyl propyl disulfideFL
 allyl propyl sulfideFL
 allyl propyl trisulfideFL
 diethyl trisulfideFL
 diisoamyl disulfideFL
(Z+E)-2,5-dimethyl-3-tetrahydrofuran thiolFL
(Z+E)-2,5-dimethyl-3-thioacetoxytetrahydrofuranFL
 dipropyl sulfideFL
 ethyl 3-(methyl thio)-(E)-2-propenoateFL
 ethyl methyl trisulfideFL
 ethyl propyl disulfideFL
 ethyl propyl trisulfideFL
trans-galbanum oxathianeFL/FR
2-heptane thiolFL
 heptyl mercaptanFL
3-mercapto-3-methyl butyl formateFL
4-mercapto-3-methyl-2-butanolFL
3-mercaptohexanalFL
bis(1-mercaptopropyl) sulfideFL
 methyl butyl sulfideFL
2-(methyl thio) methyl-2-butenalFL
4-methyl-2-(methyl thiomethyl)-2-hexenalFL
 prenyl mercaptanFL
 propenyl propyl disulfideFL
isopropyl disulfideFL
2,3,5-trithiahexaneFL
alliaceous
 allium porrum extractFL
 allyl disulfideFL
 allyl mercaptanFL
 allyl thiopropionateFL
 benzyl mercaptanFL
1,3-butane dithiolFL
 cyclopentyl mercaptanFL
 dicyclohexyl disulfideFL
 diethyl disulfideFL
 dimethyl trisulfideFL/FR
 dipropyl disulfideFL/FR
 dipropyl trisulfideFL
 ferula assa-foetida gum oilFL/FR
 leek oilFL
3-mercapto-2-methyl pentanolFL
3-mercapto-2-pentanoneFL
 methyl 3-mercaptobutanoateFL
2-methyl thioacetaldehydeFL
 propyl mercaptanFL/FR
 shallot oilFL
cabbage
 methyl 2-thiofuroateFL
citrus
 grapefruit mercaptanFL/FR
coffee
 coffee difuranFL/FR
 methyl furfuryl disulfideFL/FR
corn chip
2-acetyl-2-thiazolineFL
eggy
isopropyl mercaptanFL
ethereal
2-methyl-1-butanolFL/FR
fruity
4-tropical oxathianeFL/FR
garlic
 allyl methyl sulfideFL
 garlic oleoresinFL
green
cis-galbanum oxathianeFL/FR
meaty
 meaty dithianeFL/FR
3-mercapto-2-butanoneFL
(R,S)-2-mercapto-3-butanolFL
2-(methyl thio) phenolFL/FR
bis(2-methyl-3-furyl) disulfideFL
ortho-thiocresolFL
metallic
3-(methyl thio) hexanolFL/FR
musty
2-methyl 5-(methyl thio) furanFL/FR
onion
 methionolFL
 methyl propyl disulfideFL
 methyl propyl trisulfideFL
 propyl thioacetateFL
roasted
 ethyl 3-(furfuryl thio) propionateFL
O-methyl S-1-methoxyhexan-3-yl carbonothioateFL/FR
savory
2,4,6-triethyl tetrahydro-1,3,5-dithiazineFL
seafood
1,4-dithianeFL
spicy
 ethyl vinyl ketoneFL/FR
sulfurous
 allyl sulfideFL
 butyl mercaptanFL
 diallyl polysulfidesFL
 diallyl tetrasulfideFL
 diallyl trisulfideFL
 dimethyl disulfideFL/FR
 dimethyl sulfideFL/FR
S-ethyl thioacetateFL
 ferula assa-foetida absoluteFL/FR
 furfuryl methyl sulfideFL
 furfuryl thiopropionateFL
3-mercapto-2-methyl pentanalFL
 methyl 2-(methyl thio) butyrateFL
 methyl 2-methyl-3-furyl disulfideFL
 methyl 4-(methyl thio) butyrateFL
 methyl benzyl disulfideFL
 methyl thiomethyl butyrateFL
2-methyl thiopheneFL
 onion oilFL/FR
 onion oil CO2 extractFL/FR
 onion oil dutchFL/FR
 onion oil egyptFL/FR
 onion oil mexicoFL/FR
 onion oleoresinFL
vegetable
 methyl 3-(methyl thio) propionateFL/FR
 
Synonyms   Articles   Notes   Search   Top
Potential Uses:
 onionFL
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 beer
Search  PMC Picture
 coffee
Search  PMC Picture
 potato
Search Trop  Picture
 skunk
Search  PMC Picture
Synonyms   Articles   Notes   Search   Top
Synonyms:
isoamylthiol
 butane-1-thiol, 3-methyl-
1-butanethiol, 3-methyl-
3-methyl butane thiol
3-methyl butane-1-thiol
3-methyl butanethiol
3-methyl butyl mercaptan
3-methyl-1-butane thiol
3-methyl-1-butanethiol
3-methyl-butane-1-thiol
3-methylbutane-1-thiol
3-methylbutanethiol
3-methylbutyl mercaptan
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Synonyms   Articles   Notes   Search   Top
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