Basic information Safety Related Supplier
Isobutyric anhydride Structure

Isobutyric anhydride

Chemical Properties

Melting point -56 °C (lit.)
Boiling point 182 °C (lit.)
Density  0.954 g/mL at 25 °C (lit.)
vapor density  5.45 (vs air)
vapor pressure  10 mm Hg ( 67 °C)
refractive index  n20/D 1.406(lit.)
Flash point 152 °F
storage temp.  Store below +30°C.
form  Liquid
color  Clear colorless
explosive limit 1.09%, 87°F
Water Solubility  decomposes
Sensitive  Moisture Sensitive
BRN  386267
Exposure limits ACGIH: TWA 10 ppm
NIOSH: TWA 10 ppm(30 mg/m3); STEL 15 ppm(45 mg/m3)
Dielectric constant 13.9(20℃)
LogP 1.1 at 25℃
CAS DataBase Reference 97-72-3(CAS DataBase Reference)
NIST Chemistry Reference Propanoic acid, 2-methyl-, anhydride(97-72-3)
EPA Substance Registry System Isobutyric anhydride (97-72-3)

Safety Information

Hazard Codes  C
Risk Statements  34-21/22
Safety Statements  26-36/37/39-45
RIDADR  2922
WGK Germany  3
RTECS  NQ5550000
13-21
Autoignition Temperature 624 °F
TSCA  Yes
HS Code  2915 90 70
HazardClass  8
PackingGroup  II
Hazardous Substances Data 97-72-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 266 mg/kg LD50 dermal Rabbit 475 mg/kg

MSDS

Usage And Synthesis

Isobutyric anhydride Supplier

Isobutyric anhydride manufacturers