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Maleic anhydride

Chemical Properties

Melting point 51-56 °C (lit.)
Boiling point 200 °C (lit.)
Density  1.48
vapor density  3.4 (vs air)
vapor pressure  0.16 mm Hg ( 20 °C)
refractive index  1.4688 (estimate)
Flash point 218 °F
storage temp.  Store below +30°C.
pka 0[at 20 ℃]
form  powder
color  White
PH 0.8 (550g/l, H2O, 20℃)Hydrolysis
explosive limit 1.4-7.1%(V)
Water Solubility  79 g/100 mL (25 ºC)
Sensitive  Moisture Sensitive
Merck  14,5704
BRN  106909
Henry's Law Constant (atm?m3/mol): Not applicable - reacts with water
Exposure limits NIOSH REL: TWA 1 ppm (0.25 mg/m3), IDLH 10 ppm; OSHA PEL: TWA 0.25 ppm; ACGIH TLV: TWA 0.25 ppm with an intended change of 0.1 ppm.
Stability Stable. Combustible. Incompatible with water, strong oxidizing agents, alkali metals, strong bases, amines, most common metals, polymerization catalysts and accelerators.
InChIKey FPYJFEHAWHCUMM-UHFFFAOYSA-N
LogP -2.61 at 20℃
CAS DataBase Reference 108-31-6(CAS DataBase Reference)
NIST Chemistry Reference 2,5-Furandione(108-31-6)
EPA Substance Registry System Maleic anhydride (108-31-6)

Safety Information

Hazard Codes  C
Risk Statements  22-34-42/43
Safety Statements  22-26-36/37/39-45
RIDADR  UN 2215 8/PG 3
WGK Germany  1
RTECS  ON3675000
21
Autoignition Temperature 870 °F
TSCA  Yes
HS Code  2917 14 00
HazardClass  8
PackingGroup  III
Hazardous Substances Data 108-31-6(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 1090 mg/kg LD50 dermal Rabbit 2620 mg/kg
IDLA 10 mg/m3

MSDS

Usage And Synthesis

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