AMMONIUM FLUORIDE

 

FORMULA: NH4F

 

M. W.: 37.04

 

CAS NO.: 12125-01-8

 

GRADE: TECH. GRADE

 

DESCRIPTION: COLOURLESS TRANSPARENT CRYSTALLINE WITH; SPECIFIC GRAVITY 1.009 (25℃).  IT IS EASY TO DELIQUESCENCE IN AIR, AND EXTREMELY EASY TO DISSOLVE IN WATER. IT DISSOLVES SLIGHTLY IN ALCOHOL. UNDER THE HIGHER TEMPERATURE, IT CAN SUBLIMATE AND IT HAS CORROSIVENESS TO GLASS.

 

SPECIFICATIONS:

PURITY (NH4F)

97.0% MIN.

95% MIN.

RESIDUE ON IGNITION

0.05% MAX.

0.10% MAX.

SULPHATE

0.15% MAX.

0.15% MAX.

Ammonium Fluorosilicate [(NH4)2SiF6]

0.5% MAX.

1.0% MAX.

 

USES: ANALYTICAL REAGENT, MICRO-ANALYSIS OF ZIRCONIUM; GLASS ENGRAVING; ANTISEPTIC, CHEMICAL POLISHING AGENT, MASKING AGENT AND BACTERIA STATIC AGENT; EXTRACTION OF RARE ELEMENTS.

 

PACKING: IN 25 KGS NET POLYETHYLENE BAG.

 

HS NO.: 2826.1100

 

UN NO.: 2505                       CLASS: 6.1