3-Methyl-1-butanethiol Chemical Properties

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

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)

Safety Information

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

MSDS

• Language:English Provider:3-Methyl-1-butanethiol
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

3-Methyl-1-butanethiol Usage And Synthesis

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(541-31-1)Related Product Information

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