Product Name

  • Name

    3-Acetyl-2,5-dimethylthiophene

  • EINECS 219-779-5
  • CAS No. 2530-10-1
  • Article Data20
  • CAS DataBase
  • Density 1.078 g/cm3
  • Solubility Soluble in alcohol. Insoluble in water.
  • Melting Point
  • Formula C8H10OS
  • Boiling Point 223.1 °C at 760 mmHg
  • Molecular Weight 154.233
  • Flash Point 98.9 °C
  • Transport Information
  • Appearance Clear colourless to orange liquid
  • Safety 24/25
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 2530-10-1 (3-Acetyl-2,5-dimethylthiophene)
  • Hazard Symbols
  • Synonyms Ketone,2,5-dimethyl-3-thienyl methyl (6CI,7CI,8CI);1-(2,5-Dimethyl-3-thienyl)ethanone;2,5-Dimethyl-3-acetylthiophene;3-Acetyl-2.5-dimethylthienyl;
  • PSA 45.31000
  • LogP 2.56750

3-Acetyl-2,5-dimethylthiophene Chemical Properties

Molecular Structure of 3-Acetyl-2,5-dimethylthiophene (CAS NO.2530-10-1):

IUPAC Name: 1-(2,5-Dimethylthiophen-3-yl)ethanone 
Molecular Formula: C8H10OS
Molecular Weight: 154.22
EINECS: 219-779-5
FEMA: 3527 
Index of Refraction: 1.532
Molar Refractivity: 44.31 cm3
Molar Volume: 142.9 cm3
Surface Tension: 36.2 dyne/cm
Density: 1.078 g/cm3
Flash Point: 98.9 °C
Enthalpy of Vaporization: 45.95 kJ/mol
Boiling Point: 223.1 °C at 760 mmHg
Vapour Pressure: 0.0982 mmHg at 25 °C
Appearance: Colourless liquid; burnt-roasted, nutty odour
Classification Code: Drug / Therapeutic Agent
Canonical SMILES: CC1=CC(=C(S1)C)C(=O)C
InChI: InChI=1S/C8H10OS/c1-5-4-8(6(2)9)7(3)10-5/h4H,1-3H3
InChIKey: PUSJAEJRDNPYKM-UHFFFAOYSA-N
Product Categories: Heterocyclic Compounds; thiophene Flavor; A-B; Alphabetical Listings; Flavors and Fragrances; Building Blocks; Heterocyclic Building Blocks; Thiophenes

3-Acetyl-2,5-dimethylthiophene Uses

 3-Acetyl-2,5-dimethylthiophene (CAS NO.2530-10-1) can be used as pharmaceutical intermediate.

3-Acetyl-2,5-dimethylthiophene Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 260mg/kg (260mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
Annales Pharmaceutiques Francaises. Vol. 5, Pg. 16, 1947.

3-Acetyl-2,5-dimethylthiophene Safety Profile

A poison by intraperitoneal route. A flammable liquid. When heated to decomposition it emits toxic vapors of SOx .
Safety Information of 3-Acetyl-2,5-dimethylthiophene (CAS NO.2530-10-1):
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
RTECS: OB2888000

3-Acetyl-2,5-dimethylthiophene Standards and Recommendations

DOT Classification:  3; Label: Flammable Liquid

3-Acetyl-2,5-dimethylthiophene Specification

  3-Acetyl-2,5-dimethylthiophene (CAS NO.2530-10-1), its Synonyms are 1-(2,5-Dimethyl-3-thienyl)ethanone ; 2,5-Dimethyl-3-acetylthiophene ; 2,5-Dimethyl-3-thienyl methyl ketone ; Dimethylthienylcetone ; Ethanone, 1-(2,5-dimethyl-3-thienyl)- ; Ketone, 2,5-dimethyl-3-thienyl methyl .

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