| 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;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 | n |
| 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 |
| Water Solubility | Soluble in alcohol. Insoluble in water. |
| JECFA Number | 1051 |
| BRN | 112095 |
| 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 Information |
| Provider | Language |
|---|---|
| ACROS | English |
| SigmaAldrich | English |
| ALFA | English |
| 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. |
| 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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