中国品牌·金沙9001w(以诚为本)-最新GREENMAX

SZSE:002741
Chemical Reagents
Phthalic anhydride COA Report
  • CAS No.:85-44-9
  • Molecular weight:148.11
  • Molecular formula:C8H4O3
  • UN Code:2214
  • EC No.:201-607-5
  • HS-No:29173500
Information
Specification category:
Product No. Product name specifications
1.19375.018 o-Phthalic anhydride  AR500g
Characteristic: Appearance and properties: white needle crystal.
Relative density: 1.53
Relative vapor density: 5.10
Melting point(℃): 131.2
Boiling point(℃): 295
Concentration: Content: a ≥ 99.7%; two ≥ 99.2%.
Vapor Pressure: 0.13 (96.5 ℃)
Solubility: insoluble in water, soluble in hot water, alcohol, ether, benzene, most organic solvents.
Technical indicators:
Item AR CP
Assay [CH(COO] ≥99.7% ≥99.0%
Melting point(℃)℃ 129~133(1℃) 129~133(2℃)
Residue on ignition(as SO4) ≤0.025% ≤0.05%
Chloride(Cl) ≤0.005% ≤0.01%
Sulfur compounds(as SO4) ≤0.001% ≤0.005%
Heavy metals(as Pb) ≤0.001% ≤0.005%
Hazard characteristics:

IATA-DGR UN 2214 PHTHALIC ANHYDRIDE,8,III

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