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623-68-7

Name Crotonic anhydride
CAS 623-68-7
EINECS(EC#) 210-807-1
Molecular Formula C8H10O3
MDL Number MFCD00009286
Molecular Weight 154.16
MOL File 623-68-7.mol
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Chemical Properties

Melting point  -20°C
Boiling point  248 °C(lit.)
density  1.04 g/mL at 25 °C(lit.)
vapor pressure  1 hPa (25 °C)
refractive index  n20/D 1.473(lit.)
Fp  231 °F
storage temp.  Store below +30°C.
solubility  soluble in Ether
form  clear liquid
color  Colorless to Light orange to Yellow
CAS DataBase Reference 623-68-7(CAS DataBase Reference)
EPA Substance Registry System 623-68-7(EPA Substance)

Safety Data

Hazard Codes  C
Risk Statements 
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 3265 8/PG 3
WGK Germany  3
RTECS  GQ6125000
Autoignition Temperature 290 °C
HazardClass  8
PackingGroup  III
HS Code  29161900
Safety Profile
Moderately toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazardous Substances Data 623-68-7(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 2061 mg/kg

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