3-Methyl-1-butanethiol

Synonym(s):Isoamyl mercaptan

CAS NO.：541-31-1
Empirical Formula: C5H12S
Molecular Weight: 104.21
MDL number: MFCD00004899
EINECS: 208-774-3
SAFETY DATA SHEET (SDS)
Update Date: 2023-05-25 18:01:18

What is 3-Methyl-1-butanethiol?

Chemical properties

clear colorless to slightly yellow liquid

Occurrence

Reported present in beer

The Uses of 3-Methyl-1-butanethiol

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

What are the applications of Application

3-Methyl-1-butanethiol is used in the synthesis of monolayer-capped gold nanoparticles

Definition

ChEBI: Isopentyl mercaptan is an alkanethiol.

Aroma threshold values

Detection: 0.002 ppb

Properties of 3-Methyl-1-butanethiol

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)
FEMA	3858 \| 3-METHYLBUTANETHIOL
refractive index	n20/D 1.4432(lit.)
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 Threshold	0.00000077ppm
Sensitive	Air Sensitive
JECFA Number	513
BRN	635659
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)

Safety information for 3-Methyl-1-butanethiol

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H225:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.