Dihydro-2-methyl-3(2H)-thiophenone Chemical Properties

Boiling point:

82 °C28 mm Hg(lit.)

Density 

1.119 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.508(lit.)

FEMA 

3512 | 2-METHYLTETRAHYDROTHIOPHEN-3-ONE

Flash point:

160 °F

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

form 

clear liquid

color 

Colorless to Light orange to Yellow

Odor

at 0.10 % in dipropylene glycol. sulfur fruity berry

Odor Type

sulfurous

JECFA Number

499

BRN 

106443

LogP

0.20

CAS DataBase Reference

13679-85-1(CAS DataBase Reference)

NIST Chemistry Reference

3(2H)-thiophenone, dihydro-2-methyl-(13679-85-1)

EPA Substance Registry System

3(2H)-Thiophenone, dihydro-2-methyl- (13679-85-1)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36/37/39

WGK Germany 

3

TSCA 

Yes

HS Code 

29309090

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

Dihydro-2-methyl-3(2H)-thiophenone Usage And Synthesis

Chemical Properties

Light yellow liquid

Occurrence

Reported found in beer, coffee, corn, roasted peanuts, cooked beef and pork, malt whiskey, grape wines, tea, strawberry and bilberry wine, butter and malt

Uses

2-Methyltetrahydrothiophen-3-one is a dually substituted thiophene with butter and balsamic organoleptic qualities.

Definition

ChEBI: 2-methylthiolan-3-one is a member of the class of tetrahydrothiophenes that is thiolane substituted by a methyl group at position 2 and an oxo group at position 3 respectively. It has a role as a flavouring agent and a metabolite. It is a member of tetrahydrothiophenes and a cyclic ketone. It derives from a hydride of a tetrahydrothiophene.

Aroma threshold values

Aroma characteristics at 1.0%: pungent, alliaceous, coffee with a gasoline nuance

Taste threshold values

Taste characteristics at 5 ppm: horseradish and onion with a slight bite and a milky nuance

Dihydro-2-methyl-3(2H)-thiophenone(13679-85-1)Related Product Information

• Tetrahydrothiophene
• 2-methyl-3-oxothiophane-1-dioxide
• 3-METHYLTHIO-2-BUTANONE
• 3-Oxo-tetrahydro-thiophene-2-carboxylic acid ethyl ester
• 3-Mercapto-2-butanone
• 2-METHYLTETRAHYDROTHIOPHENE
• Tetrahydrothiophen-3-one
• Dihydro-2-methyl-3(2H)-thiophenone
• METHYL 3-OXOTETRAHYDROTHIOPHENE-2-CARBOXYLATE