ChemicalBook > CAS DataBase List > 3-Methyl-1-butanethiol

3-Methyl-1-butanethiol

Product Name
3-Methyl-1-butanethiol
CAS No.
541-31-1
Chemical Name
3-Methyl-1-butanethiol
Synonyms
FEMA 3858;isoamylthiol;isopentylthiol;-1-butanethioL;ISOPENTANETHIOL;ISOAMYL MERCAPTAN;Isopentylmercaptan;Isoamyl mercaptane;Isopentyl mercaptan;3-METHYLBUTANETHIOL
CBNumber
CB7853779
Molecular Formula
C5H12S
Formula Weight
104.21
MOL File
541-31-1.mol
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3-Methyl-1-butanethiol Property

Melting point:
-133.51°C
Boiling point:
120 °C
Density 
0.835 g/mL at 25 °C(lit.)
vapor pressure 
41.4 mm Hg ( 37.7 °C)
refractive index 
n20/D 1.4432(lit.)
FEMA 
3858 | 3-METHYLBUTANETHIOL
Flash point:
65 °F
storage temp. 
Flammables area
solubility 
soluble in Chloroform
pka
10.41±0.10(Predicted)
form 
Liquid
color 
Clear colorless to slightly yellow
Odor
at 0.10 % in propylene glycol. sulfurous onion green onion garlic
Odor Type
sulfurous
biological source
synthetic
Odor Threshold
0.00000077ppm
Sensitive 
Air Sensitive
JECFA Number
513
BRN 
635659
LogP
2.67
CAS DataBase Reference
541-31-1(CAS DataBase Reference)
NIST Chemistry Reference
1-Butanethiol, 3-methyl-(541-31-1)
EPA Substance Registry System
1-Butanethiol, 3-methyl- (541-31-1)
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Safety

Hazard Codes 
F,Xi,Xn
Risk Statements 
11-36/37/38-20/21/22
Safety Statements 
16-26-36-36/37/39
RIDADR 
UN 1228 3/PG 2
WGK Germany 
3
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29309090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W385808
Product name
3-Methyl-1-butanethiol
Purity
≥97%
Packaging
sample
Price
$53.8
Updated
2022/05/15
TCI Chemical
Product number
I0149
Product name
Isoamyl Mercaptan
Purity
>94.0%(T)
Packaging
25mL
Price
$63
Updated
2025/07/31
TCI Chemical
Product number
I0149
Product name
Isoamyl Mercaptan
Purity
>94.0%(T)
Packaging
250mL
Price
$360
Updated
2025/07/31
Sigma-Aldrich
Product number
W385808
Product name
3-Methyl-1-butanethiol
Purity
≥97%
Packaging
100g
Price
$122
Updated
2022/05/15
Sigma-Aldrich
Product number
W385808
Product name
3-Methyl-1-butanethiol
Purity
≥97%
Packaging
1kg
Price
$764
Updated
2022/05/15
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3-Methyl-1-butanethiol Chemical Properties,Usage,Production

Chemical Properties

clear colorless to slightly yellow liquid

Occurrence

Reported present in beer

Uses

3-Methyl-1-butanethiol, is a versatile organic building block in the synthesis of sulfur containnig pharmaceutical compounds. It is used in the synthesis of some poly(alkylene glycol dithiophosphates) with functional groups in the S-alkyl radical, possessing long-lasting anthelminthic and antibacterial properties. It is also shown to be one of the flavor components from beef, pork, and chicken

Definition

ChEBI: Isopentyl mercaptan is an alkanethiol.

Aroma threshold values

Detection: 0.002 ppb

3-Methyl-1-butanethiol Preparation Products And Raw materials

Raw materials

Preparation Products

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3-Methyl-1-butanethiol Suppliers

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View Lastest Price from 3-Methyl-1-butanethiol manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
3-Methyl-1-butanethiol 541-31-1
Price
US $0.00-0.00/KG
Min. Order
100g
Purity
99.0%+
Supply Ability
100 tons
Release date
2020-01-19
Career Henan Chemical Co
Product
3-Methyl-1-butanethiol 541-31-1
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
100KG
Release date
2019-08-07

541-31-1, 3-Methyl-1-butanethiolRelated Search:

Butanethiol METHYL MERCAPTAN PYRITHIOXIN DIHYDROCHLORIDE 1,2-Ethanedithiol Ethanethiol PYRITHIOXIN Methyl acrylate 1-Dodecanethiol Sodium thiomethoxide 2-Ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-methyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate Bensulfuron methyl Methylparaben METHYL THIOPHENE-2-CARBOXYLATE Kresoxim-methyl Potassium 2-ethylhexanoate Isosorbide Thiophanate-methyl Methyl

  • FEMA 3858
  • ISOAMYL MERCAPTAN
  • ISOPENTANETHIOL
  • isoamylthiol
  • Isopentyl mercaptan
  • Isopentylmercaptan
  • isopentylthiol
  • mercaptanisopentylique
  • 3-METHYLBUTANETHIOL
  • 3-METHYL-1-BUTANETHIOL
  • Isopentyl mercaptan~3-Methylbutanethiol
  • Isoamyl mercaptane
  • Isopentylmercaptan,97%
  • 1-Butanethiol, 3-methyl-
  • 3-Methylbutan-1-thiol
  • 2-Methyl-4-butanethiol
  • 3,3-dimethyl-1-propanethiol
  • 3-methyl-1-butanethio
  • 3-Methyl-1-butanthiol
  • 3-methyl-butane-1-thiol
  • 3-methylbutane-1-thiol
  • Isoamyl sulfhydrate
  • 3-Methyl-1-butanethiol, 96% 25GR
  • Isopentanethiol 3-Methyl-1-butanethiol
  • 3-METHYL-1-BUTANETHIOL FEMA NO.--------
  • 3-Methylbutyl mercaptan
  • 3-Methyl-1-butanethiol,96%
  • 3-Methyl-1-butanethi
  • IsoamylMercaptan&gt
  • -1-butanethioL
  • 3-Methyl-1-butanethiol USP/EP/BP
  • 3-methyl-1-butyl mercaptan
  • 541-31-1
  • 541-31-3
  • CH32CHCH22SH
  • CH32CHCH2CH2SH
  • Building Blocks
  • Organic Building Blocks
  • Thiols/Mercaptans
  • Sulfur Compounds
  • thiol Flavor