Identification | More | [Name]
3-Acetyl-2,5-dimethylthiophene | [CAS]
2530-10-1 | [Synonyms]
1-(2,5-dimethyl-3-thienyl)-ethanone 2.5-DIMETHYL-3-ACETYL THIOPHENE 2,5-DIMETHYL-3-THIENYL METHYL KETONE 3-ACETYL-2,5-DIMETHYLTHIOPHENE FEMA 3527 Dimethylthienylcetone Ethanone, 1-(2,5-dimethyl-3-thienyl)- Ketone, 2,5-dimethyl-3-thienyl methyl ketone,2,5-dimethyl-3-thienylmethyl 2,5-dimethylthiophen-3-yl methyl ketone 3-Acetyl-2,4-dimethylthiaphene 3-ACETYL-2 5-DIMETHYLTHIOPHENE 99+% | [EINECS(EC#)]
219-779-5 | [Molecular Formula]
C8H10OS | [MDL Number]
MFCD00009763 | [Molecular Weight]
154.23 | [MOL File]
2530-10-1.mol |
Chemical Properties | Back Directory | [Appearance]
CLEAR COLOURLESS TO ORANGE LIQUID | [Boiling point ]
105-108 °C/15 mmHg (lit.) | [density ]
1.086 g/mL at 25 °C(lit.)
| [FEMA ]
3527 | [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 Data | Back Directory | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S24/25:Avoid contact with skin and eyes . | [RIDADR ]
UN 3334 | [WGK Germany ]
3
| [RTECS ]
OB2888000
| [HS Code ]
29349990 | [Safety Profile]
A poison by
intraperitoneal route. A flammable liquid.
When heated to decomposition it emits
toxic vapors of SOx and NOx |
Questions And Answer | Back Directory | [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.
|
Hazard Information | Back Directory | [Chemical Properties]
A liquid with burnt-roasted, nutty odor | [Chemical Properties]
CLEAR COLOURLESS TO ORANGE LIQUID | [Occurrence]
Reported found in boiled and cooked beef. | [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. | [Uses]
It is 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. |
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