3-Acetyl-2,5-dimethylthiophene

3-Acetyl-2,5-dimethylthiophene Basic information

Product Name:	3-Acetyl-2,5-dimethylthiophene
Synonyms:	3-ACETYL-2,5-DIMETHYLTHIOPHENE;1-(2,5-dimethyl-3-thienyl)-ethanone;2.5-DIMETHYL-3-ACETYL THIOPHENE;2,5-DIMETHYL-3-THIENYL METHYL KETONE;FEMA 3527;Dimethylthienylcetone;Ethanone, 1-(2,5-dimethyl-3-thienyl)-;Ketone, 2,5-dimethyl-3-thienyl methyl
CAS:	2530-10-1
MF:	C8H10OS
MW:	154.23
EINECS:	219-779-5
Product Categories:	A-B;Alphabetical Listings;Flavors and Fragrances;Building Blocks;Heterocyclic Building Blocks;Thiophenes;Heterocyclic Compounds;thiophene Flavor
Mol File:	2530-10-1.mol

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.)
Fp	210 °F
storage temp.	Refrigerator, under inert atmosphere
solubility	Chloroform (Slightly), DMSO (Slightly)
form	Oil
Specific Gravity	1.1
color	Dark Yellow to Very Dark Yellow
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

MSDS Information

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

Identification	▼ ▲ CAS.No.: 2530-10-1 FL.No.: 15.024 FEMA.No.: 3527 NAS.No.: 3527 CoE.No.: 11603 EINECS.No.: 219-779-5 JECFA.No.: 1051
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) ▼ ▲ Food Category Usual Max. Alcoholic.beverages 1 1 Baked.goods 2 2 Frozen.dairy 0.6 0.6 Gelatins,.puddings 1.5 1.5 Meat.products 1 1 Milk.products 0.6 0.6 Nonalcoholic.beverages 1 1 Soft.candy 1.5 1.5 Soups 1 1
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 Preparation Products And Raw materials

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