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Chemical Identification
Common Name
Mercurous chloride
中文通用名
氯化亚汞
IUPAC
dimercury(I) chloride
or
dimercury(1+) chloride
or
mercurous chloride
CAS
mercury chloride (Hg2Cl2)
CAS No.
[10112-91-1]
Molecular Formula
Cl2Hg2
Molecular Structure
Physical Properties
Molecular weight:472.1; Physical form:White powder. Density:7.15; Melting point:Sublimes at 400-500 °C; Solubility:In water 2 mg/l (25 °C). Soluble in most organic solvents, and also in cold dilute acids.; Stability:Decomposes slowly in sunlight. Under aqueous conditions, slowly decomposes to mercury and mercuric chloride (more rapid decomposition in the presence of alkali).;
Toxicology
Oral:Acute oral LD50 for rats 210 mg/kg. Phytotoxicity:Phytotoxic to many crops.
Environmental Profile
HAZARDS: Fish: Toxic
Transport Information
Signal Word:WARNING; Hazard Class:II(Moderately hazardous)

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