SODIUM STANNATE TRIHYDRATE

 

 

SYNONYM: Stannate, disodium

 

FORMULA: Na2SnO3.3H2O

 

M. W.: 266.71

 

CAS NO.: 12058-66-1

 

DESCRIPTION: COLORLESS HEXAGON CRYSTAL OR WHITE POWDER, SOLUBLE IN WATER AND INSOLUBLE IN ALCOHOL AND ACETONE.

 

SPECIFICATIONS:

TIN

42.0% MIN.

Pb

0.002% MAX.

Sb

0.005% MAX.

As

0.01% MAX.

Fe

0.02% MAX.

NaOH

3.5% MAX.

NO3

0.1% MAX.

ALKALI-INSOLUBLE MATTER

0.1% MAX.

 

USES: USED IN PLATING, MORDANT, FIRE-PREVENTION FOR WOVEN MATERIALS, GLASS INDUSTRY, ETC.

 

PACKING:   PACKED IN IRON TANKS SEALED WITH PLASTIC BAGS INTERNALLY, EACH TANK WEIGHS 25KG.