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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 | | InChI | 1S/C8H10OS/c1-5-4-8(6(2)9)7(3)10-5/h4H,1-3H3 | | InChIKey | PUSJAEJRDNPYKM-UHFFFAOYSA-N | | SMILES | CC(=O)c1cc(C)sc1C | | LogP | 2.36 | | CAS DataBase Reference | 2530-10-1(CAS DataBase Reference) | | NIST Chemistry Reference | 3-Acetyl-2,5-dimethylthiophene(2530-10-1) |
| Risk Statements | 36/37/38 | | Safety Statements | 24/25 | | RIDADR | UN 3334 | | WGK Germany | 3 | | RTECS | OB2888000 | | HS Code | 29349990 | | Storage Class | 10 - Combustible liquids |
| | 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)
Gelatins,.puddings
1.5
1.5
Nonalcoholic.beverages
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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