Melting point :474 °C(lit.)
Boiling point :decomposes [STR93]
Density :2.92 g/mL at 25 °C(lit.)
bulk density :750kg/m3
vapor pressure :0Pa at 25℃
storage temp. :Poison room
solubility :insoluble in H2O, ethanol; soluble in KCN solution
form :Powder
Specific Gravity :2.92
color :White-beige to greenish
Water Solubility :Practically insoluble in water and alcohol. Soluble in ammonium hydroxide, aqueous ammonia, pyridine and N-methylpyrrolidone.
Sensitive :air sensitive
Merck :14,2661
BRN :3587244
Solubility Product Constant (Ksp) :pKsp: 19.46
Exposure limits :TLV-TWA 1 mg Cu/m³ (ACGIH).
Stability :Stable. Incompatible with acids, bases, magnesium. Reacts violently with oxidizing agents, nitrates. Reaction with acid releases highly toxic gas (HCN).
LogP :-1.49 at 25℃
CAS DataBase Reference :544-92-3(CAS DataBase Reference)
EPA Substance Registry System :Copper(I) cyanide (544-92-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P262 Do not get in eyes, on skin, or on clothing. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection.