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Acetic anhydride

Product NameAcetic anhydride

CAS108-24-7

MFC4 H6 O3

MW102.09

EINECS203-564-8

MOL File108-24-7.mol

Chemical Properties

Melting point -73.1 °C
Boiling point 140 °C
Density  1.087
vapor density  3.5 (vs air)
vapor pressure  10 mm Hg ( 36 °C)
refractive index  n20/D 1.390(lit.)
Flash point 130 °F
storage temp.  Store at RT.
solubility  Miscible with ether, chloroform and benzene.
form  Liquid
color  Colorless
Specific Gravity 1.082
PH 3 (10g/l, H2O, 20°C)
Odor Very strong; pungent; vinegar-like characteristic odor.
explosive limit 2.0-10.2%(V)
Water Solubility  REACTS
Sensitive  Moisture Sensitive
Merck  14,56
BRN  385737
Exposure limits NIOSH REL: ceiling 5 ppm (20 mg/m3), IDLH 200 ppm; OSHA PEL: 5 ppm; ACGIH TLV: ceiling 5 ppm.
Stability Stability Flammable. Incompatible with strong oxidizing agents, water, strong bases, alcohols.
CAS DataBase Reference 108-24-7(CAS DataBase Reference)
NIST Chemistry Reference Acetic acid anhydride(108-24-7)
EPA Substance Registry System Acetic anhydride (108-24-7)

Safety Information

Hazard Codes  C,Xn,F,Xi
Risk Statements  11-20/21/22-37/38-41-34-20/21-10-20/22-19-40
Safety Statements  26-39-45-36/37/39-33-16
RIDADR  UN 2924 3/PG 2
WGK Germany  3
RTECS  AK1925000
21
Autoignition Temperature 629 °F
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29152400
Hazardous Substances Data 108-24-7(Hazardous Substances Data)
Toxicity LD50 orally in rats: 1.78 g/kg (Smyth)
IDLA 200 ppm

MSDS

Usage And Synthesis

Preparation Products And Raw materials