Ammonium hydrogen fluoride
Molecular formula: NH4HF2 Molecular weight : 57.04
Uses: Used as chemical reagent, work with hydrofluoric acid as glass etching agent, industrial disinfectant and preservative of fermentation, manufacturing ceramic, magnesium alloy, etc. Also used for analysis reagent and bacterial inhibitor.
Property: white or colorless transparent orthorhombic crystal, flaky product, Relative Density 1.52g/cm3, Melting point 125℃, Boiling point 230℃,
CAS#: 1341-49-7 Customs No.: 2826191010 MSDS: YF0405-06 Risk No.: 83003
Product specification |
Electronic-grade |
Export grade |
Industrial grade |
Standard |
SEMI C1 |
JISK8817-1992 |
JISK8817-1992 |
Appearance |
white salt-like matter, slight moisture absorption |
white salt-like matter, slight moisture absorption |
white salt-like matter, slight moisture absorption |
Assay |
≥99.9% |
≥99.0% |
≥98.5% |
Sulfate (SO4) |
≤10ppm |
≤0.01% |
≤0.1% |
Nitrate (NO3) |
≤10ppm |
≤0.01% |
≤0.1% |
Chloride (Cl) |
≤10ppm |
≤0.01% |
≤0.1% |
Fe |
≤5ppm |
≤0.005% |
≤0.05% |
Pb |
≤5ppm |
≤0.005% |
≤0.05% |
Na |
≤5ppm |
≤0.005% |
≤0.05% |
Arsenic (As) |
≤5ppm |
≤0.005% |
≤0.05% |
Residue on Ignition |
≤0.01% |
≤0. 1% |
≤1% |
Loss on dry |
≤0.5% |
≤1% |
≤3% |
Supply reference |
Production process |
Wet phase method |
Wet phase method |
Wet phase method |
Transmission % |
≥99 |
≥95 |
≥90 |
Packing |
25KG composite bag/16T/(20')FCL |
25KG composite bag/16T/(20')FCL |
25KG composite bag/16T/(20')FCL |
Specification of price |
FCL |
FCL |
FCL |
Price CNY/T |
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|
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Validity period of quoted price |
3 months |
3 months |
3 months |
Note: special requirements are negotiable for customers with specific specifications. |