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I. Physical properties:
English name is Bis(trichloromethyl)carbonate, abbreviation is BTC. Molecular formula is C3Cl6O3, molecular weight is 296.75 Cas NO.32315-10-9. Triphosgene is white to off-white crystal with phosgene odor. Melting point is 78-81℃, boiling point is 203--206℃; insoluble in water, easily soluble in chlorobenzene, toluene, dichloromethane, trichloromethane, and other organic solvents.
Structural formula: 
II. Chemical properties:
Triphosgene can completely replace toxic phosgene and diphosgene in chemical reaction
III. Advantages:
1) Safety in use, environmentally friendly.
2) Solid crystal is convenient to use, accurate measurement.
3) High yield of reaction product.
4) Can store and transport.
IV. Quality standard: Assay:99.0%,
V. Packing:
1. Plastic drum, 25KG/drum
2. At the request of clients.
VI. Storage:
1. Keep in cool and well-ventilated place.
2. Separate from alkaline chemicals.
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