(3R,4S)-1-Benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone
English name: butyric acid
English Name: n-butyric acid; natural butyric acid; butanoic acid; alpha-butanoic acid
Chinese alias: n-butyric acid, a natural acid, butyric acid
CAS No.: 107-92-6
EINECS: 203-532-3
InChI: 1 / C4H8O2 / c1-2-3-4 (5) 6 / h2-3H2,1H3, (H, 5,6) [1]
Molecular formula: C4H8O2
Molecular Weight: 88.11
Melting point (℃): - 7.9
Boiling point (℃): 163.5
Relative density (water = 1): 0.96
Vapor Density (Air = 1): 3.04
Saturated vapor pressure (kPa): 0.10 (25 ℃)
Heat of combustion (kJ / mol): 2181.4
The critical temperature (℃): 355
Critical pressure (MPa): 5.27
Flash point (℃): 71.7
Ignition temperature (℃): 452
The upper limit of explosion% (V / V): 10.0
Lower explosive limit% (V / V): 2.0
Appearance: colorless oily liquid with a pungent and unpleasant odor.
Solubility: miscible with water, soluble in alcohol, ether.
The main purposes: as extraction agent, decalcification, synthetic esters, also for the Preparation of spices, fungicides and emulsifiers.
Health hazards:
high concentrations of first contact, can cause skin, eye or mucous membrane irritation moderate damage.