Product No. | Product name | specifications |
1.19375.018 | o-Phthalic anhydride | AR500g |
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% |
IATA-DGR UN 2214 PHTHALIC ANHYDRIDE,8,III
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