6

 

AMMONIUM BIFLUORIDE

 

FORMULA: NH4HF2

 

M. W.: 57.05

 

CAS NO.: 1341-49-7

 

GRADE: TECH. GRADE

 

DESCRIPTION: WHITE RHOMBUS OR FLAKE CRYSTAL. POISONOUS, HARDLY DISSOLVED IN ETHANOL. IT IS STABLE IN DRY STATE. THE AQUEOUS SOLUTION IS ACIDIC. DELIQUESCENCE IN AIR. CAUSTICITY ON GLASS.

 

SPECIFICATIONS:

PURITY (NH4HF2)

98.5% MIN.

CHLORIDE (Cl)

0.1% MAX.

SULPHATE

0.05% MAX.

SILICATE

0.6% MAX.

LEAD (Pb)

0.005% MAX.

IRON (Fe)

0.01% MAX.

RESIDUE ON IGNITION

0.1% MAX.

 

USES: IT IS USED IN ACID TREATMEALING OF OIL FIELD AND MAKING MAGNESIUM AND MAGNESIUM ALLOY. IT CAN BE USED AS LIGHT-ELIMINATING, FROST-PRODUCING AND ETCHANT OF GLASS. IT CAN ALSO BE USED AS PROTECTIVE AGENT OF WOOD, BRIGHTENING AGENT OF ALUMINUM, RUSTREMOVAL AGENT WHICH USED IN TEXTILE INDUSTRY AND ANALITICAL REAGENT ETC. AGAIN, IT CAN BE USED IN ELECTROPLATE AND ELECTRONICS INDUSTRY.

 

PACKING: IN 25 KGS NET WOVEN BAG.

 

UN NO.: 1727             CLASS: 8