SZSE：002741
Chemical Reagents
Maleic anhydrideCOA Report
  • CAS No.：108-31-6
  • Molecular weight：98.06
  • Aliases：MAH
  • Molecular formula：C4H2O3
  • UN Code：2215
  • EC No.：203-571-6
  • HS-No：29171400
Information
Specification category：
Product No. Product name specifications
1.19377.010 Maleic anhydride AR500g
1.19377.020 Maleic anhydride CP500g
Characteristic： Appearance and properties: colorless needle crystal.
Relative density: 1.48
Relative vapor density: 3.38
Melting point(℃): 52.8
Boiling point(℃): 202
Concentration: Pure
Saturated vapor pressure: 0.02/20 ℃
Solubility: soluble in water, acetone, benzene, chloroform and most organic solvents.
Heat of combustion (kJ / mol): 1390
Technical indicators：
Item AR CP
Assay (CHO) ≥99.5% ≥98.5%
Melting point(℃)℃ 52.0～54.0 51.0～54.0
Clarity of solution Pass3 #Pass5#
Insoluble matter in water ≤0.005% ≤0.01%
Residue on ignition(as SO4) ≤0.01% ≤0.05%
Chloride(Cl) ≤0.01% ≤0.05%
Hazard characteristics：

IATA-DGR UN 2215 MALEIC ANHYDRIDE,8,III

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