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COPPER(II) SULFIDE Structure

COPPER(II) SULFIDE

Chemical Properties

Melting point 220 °C (dec.) (lit.)
Density  4.6 g/mL at 25 °C (lit.)
refractive index  1.45
solubility  insoluble in H2O, ethanol, dilacid, alkaline solutions
form  powder
color  Black
Specific Gravity 4.6 (20℃)
Water Solubility  Soluble in nitric acid, ammonium hydroxide, potassium cyanide. Insoluble in water, ethanol, hydrochloric acid ,dilute acids, sulfuric acid, alkali cyanides, aqueous ammonia and alkaline solutions.
Sensitive  Air & Moisture Sensitive
Merck  14,2965
Solubility Product Constant (Ksp) pKsp: 35.2
Exposure limits ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3
Stability Stable, but may be moisture senstive. Incompatible with strong acids, strong oxidizing agents.
CAS DataBase Reference 1317-40-4(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII KL4YU612X7
EPA Substance Registry System Copper sulfide (CuS) (1317-40-4)

Safety

Hazard statements H413
Safety Statements  22-24/25
WGK Germany  3
RTECS  GL8912000
TSCA  Yes
HS Code  2830908500
Hazardous Substances Data 1317-40-4(Hazardous Substances Data)
NFPA 704:
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