Ammonium fluoride
Molecular formula: NH4F Molecular weight : 37.04
Uses: Can be used as chemical reagent, glass etching agent (participate in hydrofluoric acid), industrial disinfectant and preservative of fermentation, metal beryllium solvent and silicon steel plate surface treatment, also used in the manufacture of ceramic, magnesium alloy,cleaning of boiler feed water system and steam generation system , and the acid treatment of sandstone oil field, also used as component of alkylation, isomerization catalyst.
Property: colorless transparent liquid.
CAS#: 12125-01-8 Customs No.: 2826191090 MSDS: YF0405-06 Risk No.:
Product specification |
Electronic-grade |
Export grade |
Industrial grade |
Standard |
SEMI C1 |
GB/T 1276-1999 |
GB/T 1276-1999 |
Appearance |
colorless transparent liquid |
colorless transparent liquid |
colorless transparent liquid |
Assay |
≥49％ |
≥48.5％ |
≥48％ |
Sulfate (SO42-) |
≤50ppm |
≤0.05％ |
≤0.5％ |
Chloride (Cl) |
≤20ppm |
≤0.02％ |
≤0.2％ |
Free acid (as NH4HF2) |
≤0.25％ |
≤0.5％ |
≤1.0％ |
Fluorosilicates (SiF62-) |
≤2000ppm |
≤0.3％ |
≤0.6％ |
Fe |
≤10ppm |
≤0.01％ |
≤0.1％ |
Heavy metal
(as Pb) |
≤5ppm |
≤0.005％ |
≤0.05％ |
Supply reference |
Production process |
synthesis method |
synthesis method |
synthesis method |
Transmission % |
≥99 |
≥95 |
≥90 |
Packing |
25KG drum/16T/(20')FCL |
25KG drum/16T/(20')FCL |
25KG drum/16T/(20')FCL |
Specification of price |
FCL |
FCL |
FCL |
Price CNY/T |
|
|
|
Validity period of quoted price |
3 months |
3 months |
3 months |
Note: special requirements are negotiable for customers with specific specifications. |
