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Name: Maleic anhydride
Molecular Formula C4H2O3
Molecular Weight 98.06
CAS Registry Number 108-31-6
EINECS 203-571-6
Risk Codes R22;R34;R42/43
Safety Description S22;S26;S36/37/39;S45
Physical chemical property:
Density 1.48g/cm3
Melting point 52-55 ºC
Boiling point 200 ºC
Flash point 102 ºC
Water solubility 79 g/100 mL (25 ºC)
Specification sheet:
| Item | Specification |
Appearance | White flake or briquette |
Assay(C4H2O3) | 99.5% min |
Color(Hazen) | 25 max |
Ferrous(ppm) | 3 |
Residue on ignition | 0.005%max |
crystallizing point | 52.5 oC min |
Application:
Unsaturated polyester resin(UPR)
Pharmaceutical
Agrochemicals
Paint, oil additives
Maleic anhydride,99.5%,low color,high purity