2-acetyl-5-methyl thiophene

Full Material List
1-(5-methylthiophen-2-yl)ethanone

Identifiers

FEMA 4643
CAS 13679-74-8
EINECS 237-181-2
Synonyms
  • 2- acetyl-5-methylthiophene
  • ethanone, 1-(5-methyl-2-thienyl)-
  • ketone, methyl 5-methyl-2-thienyl
  • methyl 5-methyl-2-thienyl ketone
  • 5- methyl-2-acetyl thiophene
  • 5- methyl-2-acetylthiophene
  • 1-(5- methyl-2-thienyl) ethan-1-one
  • (5- methyl-2-thienyl) ethanone
  • 1-(5- methyl-2-thienyl)ethan-1-one
  • (5- methyl-2-thienyl)ethanone
  • 1-(5- methyl-2-thienyl)ethanone
  • 1-(5- methyl-2-thiophenyl)ethanone
  • 1-(5- methyl-thiophen-2-yl)-ethanone
  • 1-(5- methylthien-2-yl)ethanone
  • 1-(5- methylthiophen-2-yl)ethanone
  • thiophene, 2-acetyl-5-methyl-
JECFA Food Flavoring 2107
JECFA Food Additive N/A
DG SANTE Food Flavourings N/A
DG SANTE Food Contact Materials N/A
FDA UNII 2HS3I278W9
CoE Number N/A
XlogP3-AA N/A
Molecular Weight 140.20496
Molecular Formula C7 H8 O S

Organoleptic

Organoleptic Notes
  • 1. Odor Type: spicy Odor Strength:high ,recommend smelling in a 1.00 % solution or less
  • Substantivity:11 hour(s) at 100.00 %
  • sweet spicy honey hawthorn almond acacia hyacinth caramellic graham cracker
  • Odor Description:at 1.00 % in propylene glycol. sweet spicy honey hawthorn almond acacia hyacinth caramellic graham crackerLuebke, William tgsc, (2017)
  • Odor sample from: R C Treatt and Co Ltd
Odor spicy
sweet, spicy, honey, hawthorn, almond, acacia, hyacinth, caramellic, graham, cracker,
Flavor floral
sweet, floral, green, nutty, almond, honey, acacia, caramellic, hawthorn,

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Properties

Food Chemicals Codex Listed No
Appearance colorless to pale yellow liquid to crystalline powder (est)
Assay 95.00 to 100.00
Specific Gravity 1.12000 to 1.13000 @ 20.00 °C.
Lbs/Gal (est) 9.330 to 9.414
Refractive Index 1.55700 to 1.56700 @ 20.00 °C.
Melting Point 24.00 to 28.00 °C. @ 760.00 mm Hg
Boiling Point 232.00 to 234.00 °C. @ 760.00 mm Hg
Flash Point 204.00 °F. TCC ( 95.56 °C. )
Acid Value N/A
Vapor Pressure 0.052000 mmHg @ 25.00 °C. (est)
Vapor Density N/A
logP (o/w) 1.345 (est)
Soluble In
  • alcohol
  • water, 1510 mg/L @ 25 °C (est)
  • water
Occurrence
  • beef cooked beef
  • coffee
  • krill
  • pork liver