SYNONYM: SODIUM HYDROGENDIFLUORIDE
FORMULA: NaHF2
M. W.: 61.99
CAS NO.: 1333-83-1
DESCRIPTION: IT IS A WHITE POWDER CRYSTAL WITH
TOXICITY, DISSOLVED IN WATER WITH STRONG ACID SMELL, SPECIFIC GRAVITY IS
2.08G/CM3. IN WET AIR, IT CAN ABSORB MOISTURE AND GIVE OUT HYDROGEN
FLUORIDE. IT CAN DECOMPOSE INTO NATRIUM FLUORIDE AND HYDROGEN FLUORIDE WHEN
BEING HEATED. WITH HIGH TEMPERATURE, ALUMINIUM AND ALUMINIUM ALLOY HAVE THE
FUNCTION OF CONTROLLING THE CORROSION OF NAHF2.
SPECIFICATIONS:
|
PURITY |
98.5% MIN. |
|
Na2SiF6 |
0.5% MAX. |
|
WATER INSOLUBLE |
0.3% MAX. |
|
MOISTURE |
0.5% MAX. |
|
GRAIN (RESIDUE ON 0.43μm
SIEVE) |
0.5% MAX. |
USES: IT CAN BE USED AS FOOD STORING AGENT, THE STORING
AGENT FOR THE STORAGE OF ANIMAL SAMPLE AND ANATOMY SAMPLE AND PRESERVATIVE. IT
IS ALSO USED FOR HYALOGRAPHY TIN BOARD PROCESSING, TREATING OF TEXTILE REMOVAL
OF IRON RUST, INSECTPROOFING OF LEATHER AND THE PROCESSING OF TINPLATE, ETC.
WHEN BEING MIXED WITH KALIUM BIFLUORIDE, IT CAN BE USED AS METAL WELDING AGENT
PACKING: PACKED IN 25KG PLASTIC WOVEN BAG AND 20MT/20’FCL.
UN NO.：1727 CLASS:
8