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2-Methyl-1-butanethiol

2-Methyl-1-butanethiol Basic information
Product Name:2-Methyl-1-butanethiol
Synonyms:2-METHYL-1-BUTANETHIOL 95+%;1-Butanethiol, 2-methyl-;FEMA 3303;2-METHYL-1-BUTANETHIOL FEMA NO.--------;1-Mercapto-2-methylbutane;2-Methyl-1-butanethiol, 95% 25GR;2-methyl-1-butanethio;2-methyl-butane-1-thiol
CAS:1878-18-8
MF:C5H12S
MW:104.21
EINECS:217-515-3
Product Categories:Alphabetical Listings;Flavors and Fragrances;M-N;Organic Building Blocks;Sulfur Compounds;Thiols/Mercaptans;thiol Flavor
Mol File:1878-18-8.mol
2-Methyl-1-butanethiol Structure
2-Methyl-1-butanethiol Chemical Properties
Melting point -109.95°C (estimate)
Boiling point 116-117 °C(lit.)
density 0.848 g/mL at 25 °C(lit.)
vapor pressure 41.4 mm Hg ( 37.7 °C)
refractive index n20/D 1.447(lit.)
FEMA 3303 | 2-METHYL-1-BUTANETHIOL
Fp 67 °F
storage temp. Flammables area
form liquid (estimate)
pka10.41±0.10(Predicted)
color Colorless to Almost colorless
Odorat 0.10 % in propylene glycol. sulfurous meaty bloody
Odor Typesulfurous
Sensitive Air Sensitive
JECFA Number515
LogP2.66
CAS DataBase Reference1878-18-8(CAS DataBase Reference)
NIST Chemistry Reference1-Butanethiol, 2-methyl-(1878-18-8)
EPA Substance Registry System1-Butanethiol, 2-methyl- (1878-18-8)
Safety Information
Hazard Codes F,Xi,Xn
Risk Statements 11-36/37/38-20/21/22
Safety Statements 16-26-33-36/37/39
RIDADR UN 1111 3/PG 2
WGK Germany 3
TSCA Yes
HazardClass 3
PackingGroup II
HS Code 29309090
MSDS Information
ProviderLanguage
2-Methyl-1-butanethiol English
SigmaAldrich English
ACROS English
ALFA English
2-Methyl-1-butanethiol Usage And Synthesis
DescriptionPrepared from 2-methyl-1-butyl isothiourea picrate by conversion to bis [(s)-2-methylbutyl] disulfide, followed by reduction to the corresponding thiol, using sodium metal in liquid ammonia.
Chemical Properties2-Methyl-1-butanethiol has a disagreeable odor.
Chemical Propertiesclear colourless liquid
OccurrenceReported as occurring in the petroleum fraction boiling between 111 and 150°C; also in cooked beef.
Uses2-Methyl-1-butanethiol is a thiol with antiinflammatory properties.
PreparationFrom 2-methyl-1-butyl isothiourea picrate by conversion to bis [(s)-2-methylbutyl] disulfide, followed by reduction to the corresponding thiol, using sodium metal in liquid ammonia.
DefinitionChEBI: 2-Methyl-1-butanethiol is an alkanethiol.
2-Methyl-1-butanethiol Preparation Products And Raw materials
Raw materialsSodium-->Ammonia-->PICRIC ACID
PYRITHIOXIN DIHYDROCHLORIDE Methyl NICKEL AND VANADIUM IN RESIDUAL FUEL OIL 2-METHYL-2-BUTANETHIOL,2-METHYL-2-BUTANETHIOL 95+% Bensulfuron methyl Parathion-methyl (S)-2-AMINO-3-METHYL-1-BUTANETHIOL-4-METHOXYTRITYL RESIN 2,4,4-TRIMETHYL-2-PENTANETHIOL 4-METHOXY-2-METHYL-2-BUTANETHIOL,methoxymethylbutanethiol,4-methoxy-2-methyl-2-butanethiol,4-METHOXY-2-METHYL-2-BUTANETHIOL 1% IN P.G. (S)-2-AMINO-3-METHYL-1-BUTANETHIOL-4-METHOXYTRITYL RESIN (L-VAL DERIVED, 200-400 MESH, >0.4 MMOL/G) Kresoxim-methyl 1-Methyl-1-butanethiol (S)-2-Methyl-1-butanethiol,[S,(+)]-2-Methyl-1-butanethiol Thiophanate-methyl 2-Methyl-4-butanethiol,3-METHYL-1-BUTANETHIOL FEMA NO.--------,3-METHYL-1-BUTANETHIOL Ethanethiol (R)-2-Methyl-1-butanethiol,[R,(-)]-2-Methyl-1-butanethiol 2-Ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-methyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate
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