SZSE：002741
| 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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