CUPROUS CYANIDE

FORMULA: CuCN

M. W.: 89.56

CAS NO.: 544-92-3

GRADE: TECHNICAL GRADE

DESCRIPTION: WHITE CRYSTAL POWDER, SPECIAL GRAVITY IS 2.92, MELTING POINT 437℃, INSOLUBLE IN WATER AND COLD ACID, SOLUBLE IN SODIUM CYANIDE, POTASSIUM CYANIDE, AMMONIUM CYANIDE. IT WILL BURN ITSELF WHEN THE TEMPERATURE IS HIGE THAN 130℃. IT IS POISONOUS.

SPECIFICATIONS:

ITEM	GRADE A	GRADE B
CuCN	99.6% MIN.	99.0%MIN.
Cu	70.0%MIN	69.6%MIN.
CN	28.5%MIN	28.0%MIN.
INSOLUBLE (IN NaCN SOLUTION)	0.20%MAX	0.30%MAX.
Fe	0.02%MAX	0.04%MAX

USES: USED IN GALVANIZING COPPER AND ALLOY INDUSTRY.

PACKING: IN IRON DRUMS WITH PLASTIC INNER, NET WEIGHT 15KG, 25KG OR 50 KG. SEALED TIGHTLY.

UN. NO.: 1587 CLASS: 6.1