Methyl propyl disulfide Chemical Properties

Melting point:

-101.52°C (estimate)

Boiling point:

69-71 °C/43 mmHg (lit.)

Density 

0.98 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.508(lit.)

FEMA 

3201 | METHYL PROPYL DISULFIDE

Flash point:

109 °F

storage temp. 

0-6°C

form 

Liquid

Specific Gravity

0.98

color 

Clear slightly yellow

Odor

at 0.10 % in propylene glycol. sulfury onion radish mustard tomato

Odor Type

alliaceous

JECFA Number

565

InChIKey

PUCHCUYBORIUSM-UHFFFAOYSA-N

LogP

2.83

CAS DataBase Reference

2179-60-4(CAS DataBase Reference)

NIST Chemistry Reference

Disulfide, methyl propyl(2179-60-4)

EPA Substance Registry System

Methyl propyl disulfide (2179-60-4)

Safety Information

Hazard Codes 

Xi

Risk Statements 

10-36-36/37/38

Safety Statements 

16-26-37/39

RIDADR 

UN 1993 3/PG 3

WGK Germany 

3

HazardClass 

3.2

PackingGroup 

III

HS Code 

29309090

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS

Methyl propyl disulfide Usage And Synthesis

Description

Methyl propyl disulfide has an odor and taste reminiscent of cooked onion. May be prepared from Bunte salt and the corresponding thiol.

Chemical Properties

Methyl propyl disulfide has a powerful, penetrating sulfuraceous–herbaceous, onion-like odor

Chemical Properties

CLEAR SLIGHTLY YELLOWISH LIQUID

Occurrence

Reported found in cabbage, onion oil, onion, garlic, shallot, leek, chive, fried potato, potato, tomato, beef, peanut, cooked beef, roast peanut and Brussels sprout

Definition

ChEBI: Methyl propyl disulfide is an organic disulfide.

Preparation

From Bunte salt and the corresponding thiol.

Taste threshold values

Taste characteristics at 0.5 ppm: onion, garlic, tomato, potato, alliaceous and vegetative

Methyl propyl disulfide(2179-60-4)Related Product Information

• Thiophanate-methyl
• Propyl disulfide
• Dimethyl disulfide
• Propyl gallate
• Propyl butyrate
• Diallyldisulfide
• Allyloxypolyethyleneglycol
• Allyl ether
• Allyl glycidyl ether
• Kresoxim-methyl
• Allicin
• Methyl
• D-PENICILLAMINE DISULFIDE
• TRANS-4,5-DIHYDROXY-1,2-DITHIANE
• Thiamine disulfide
• D-Cystine
• SPDP
• 3,3'-DITHIODIPROPIONIC ACID