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Butyric anhydride Structure

Butyric anhydride

Chemical Properties

Melting point -75--66 °C (lit.)
Boiling point 198-199 °C (lit.)
Density  0.967 g/mL at 25 °C (lit.)
vapor density  5.45 (vs air)
vapor pressure  10 mm Hg ( 79.5 °C)
refractive index  n20/D 1.413(lit.)
Flash point 190 °F
storage temp.  Store below +30°C.
solubility  alcohol: soluble (with decomposition)(lit.)
form  Liquid
color  Clear colorless to light yellow
Odor butter
explosive limit 1.1%, 104°F
Water Solubility  Decomposes
Sensitive  Moisture Sensitive
Merck  14,1594
BRN  1099474
Dielectric constant 12.0(Ambient)
InChIKey YHASWHZGWUONAO-UHFFFAOYSA-N
LogP 1.390
CAS DataBase Reference 106-31-0(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII A88LE742VX
NIST Chemistry Reference Butanoic acid, anhydride(106-31-0)
EPA Substance Registry System Butyric anhydride (106-31-0)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H314
Precautionary statements P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363-P405
Hazard Codes  C
Risk Statements  14-34
Safety Statements  26-36/37/39-45
RIDADR  UN 2739 8/PG 3
WGK Germany  1
RTECS  ET7090000
13
Autoignition Temperature 535 °F
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29159000
Hazardous Substances Data 106-31-0(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 8790 mg/kg LD50 dermal Rabbit 6400 mg/kg
NFPA 704:
2
3 1

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