3-Acetyl-2,5-dimethylthiophene Chemical Properties

Boiling point:

105-108 °C/15 mmHg (lit.)

Density 

1.086 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.544(lit.)

Flash point:

210 °F

storage temp. 

Refrigerator, under inert atmosphere

solubility 

Chloroform (Slightly), DMSO (Slightly)

form 

Oil

color 

Dark Yellow to Very Dark Yellow

Specific Gravity

1.1

Odor

at 0.10 % in propylene glycol. burnt roasted meaty

Odor Type

burnt

Water Solubility 

Soluble in alcohol. Insoluble in water.

JECFA Number

1051

BRN 

112095

LogP

2.36

CAS DataBase Reference

2530-10-1(CAS DataBase Reference)

NIST Chemistry Reference

3-Acetyl-2,5-dimethylthiophene(2530-10-1)

Safety Information

Risk Statements 

36/37/38

Safety Statements 

24/25

RIDADR 

UN 3334

WGK Germany 

3

RTECS 

OB2888000

HS Code 

29349990

MSDS

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

3-Acetyl-2,5-dimethylthiophene Usage And Synthesis

Identification

Description

A liquid with burnt-roasted, nutty odor.

Regulatory Status

CoE: n/a
FDA: n/a
FDA (other): n/a
JECFA: ADI: Acceptable. No safety concern at current levels of intake when used as a flavoring agent (2002).

Usage

Reported uses (ppm): (FEMA, 1994)

Natural occurrence

Reported found in boiled and cooked beef.

Chemical Properties

CLEAR COLOURLESS TO ORANGE LIQUID

Chemical Properties

A liquid with burnt-roasted, nutty odor

Occurrence

Reported found in boiled and cooked beef.

Uses

It is used in the synthesis of heterocyclic ketimines, 3-acetyl-2,5-dimethylthiophene thiosemicarbazone and 3-acetyl-2,5- dimethylthiophene semicarbazone.

Uses

3-Acetyl-2,5-dimethylthiophene was used in the synthesis of heterocyclic ketimines, 3-acetyl-2,5-dimethylthiophene thiosemicarbazone and 3-acetyl-2,5- dimethylthiophene semicarbazone.

Definition

ChEBI: 3-Acetyl-2,5-dimethylthiophene is an aromatic ketone.

Safety Profile

A poison by intraperitoneal route. A flammable liquid. When heated to decomposition it emits toxic vapors of SOx and NOx

3-Acetyl-2,5-dimethylthiophene(2530-10-1)Related Product Information

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