| 3-Acetyl-2,5-dimethylthiophene Basic information |
| Identification Description Regulatory Status Usage Natural occurrence |
| 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;thiophene Flavor;Heterocyclic Compounds |
| Mol File: | 2530-10-1.mol |
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| 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 |
| 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 |
| Provider | Language |
|---|---|
| ACROS | English |
| SigmaAldrich | English |
| ALFA | English |
| 3-Acetyl-2,5-dimethylthiophene Usage And Synthesis |
| Identification | CAS.No.: 2530-10-1FL.No.: 15.024FEMA.No.: 3527NAS.No.: 3527CoE.No.: 11603EINECS.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 11Baked.goods 22Frozen.dairy 0.60.6Gelatins,.puddings 1.51.5Meat.products 11Milk.products 0.60.6Nonalcoholic.beverages 11Soft.candy 1.51.5Soups 11 |
| 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 |