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13679-74-8

Name 1-(5-Methyl-2-thienyl)ethan-1-one
CAS 13679-74-8
EINECS(EC#) 237-181-2
Molecular Formula C7H8OS
MDL Number MFCD00014529
Molecular Weight 140.2
MOL File 13679-74-8.mol
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Chemical Properties

Appearance white to light yellow crystal powder
Melting point  24-28 °C(lit.)
Boiling point  65-67 °C1 mm Hg(lit.)
density  1.106 g/mL at 25 °C(lit.)
FEMA  4643 | 2-ACETYL-5-METHYLTHIOPHENE
refractive index  n20/D 1.561(lit.)
Fp  >230 °F
storage temp.  under inert gas (nitrogen or Argon) at 2–8 °C
form  Low Melting Crystalline Mass, Powder or Crystals
color  White to pale yellow
Specific Gravity 1.119
Odor at 1.00 % in propylene glycol. sweet spicy honey hawthorn almond acacia hyacinth caramellic graham cracker
Odor Type spicy
Sensitive  Light Sensitive
JECFA Number 2107
BRN  110854
LogP 2.04
CAS DataBase Reference 13679-74-8(CAS DataBase Reference)
NIST Chemistry Reference 2-Acetyl-5-methylthiophene(13679-74-8)
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Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S36/37:Wear suitable protective clothing and gloves .
S22:Do not breathe dust .
RIDADR  UN 3335
WGK Germany  3
RTECS  OB4972000
Hazard Note  Irritant
HazardClass  STENCH
HS Code  29349990
Safety Profile
A poison by intraperitoneal route. A flammable liquid. When heated to decomposition it emits toxic vapors of SOx.

Hazard Information

Material Safety Data Sheet(MSDS)

Spectrum Detail

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