SODIUM FLUORIDE
FORMULA: NaF
M. W.: 41.99
CAS NO.: 7681-49-4
GRADE: DENTAL GRADE
DESCRIPTION: IT IS A WHITE CRYSTAL OR POWDER. ITS
RELATIVE DENSITY IS 2.558, MELTING POINT IS 993℃ AND BOILING POINT IS
1704℃. ITS SPECIFIC GRAVITY IS 2.6. IT IS INSOLUBLE IN ETHANOL AND HAS TOXIC.
ITS AQUEOUS SOLUTION WILL ETCH GLASS.
SPECIFICATIONS:
|
NAF |
98%MIN |
|
WATER-INSOLUBLE MATTER |
0.5%MAX |
|
SO42- |
0.2%MAX |
|
SiO2 |
0.5%MAX |
|
FREE ACID (HF) |
0.1%MAX |
|
FREE BASE (Na2CO3) |
0.2%MAX |
|
MOISTURE |
0.5%MAX |
|
HEAVY METAL (Pb) |
0.005%MAX |
|
Fe |
0.005%MAX |
|
As |
0.0005%MAX |
USES: IT IS USED IN
TOOTHPASTE ADDITIVE.
PACKING: PACKED IN PLASTIC WOVEN BAGS OF 25 KG
WITH PLASTIC LINING, 20MT/20’FCL.
UN No.: 1690 CLASS:
6.1