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SZSE：002741
Chemical Reagents
Ammonium hydrogen difluoride?COA Report
  • CAS No.：1341-49-7
  • Molecular weight：57.04
  • Aliases：Ammonium bifluoride
  • Molecular formula：(NH4)HF2
  • EC No.：215-676-4
  • HS-No：28261910
Information
Specification category：
Product No. Product name specifications
1.06080.018 Ammonium hydrogen difluoride AR500g
1.06080.028 Ammonium hydrogen difluoride CP500g
1.06080.038 Ammonium hydrogen difluoride AR25kg
1.06080.048 Ammonium hydrogen difluoride CP25kg
Characteristic： Appearance and properties:White transparent crystal, slightly sour, easy deliquescence.
Relative density (water=1):1.5
Melting point(℃):125.6
Concentration:Sterling
Solubility:Soluble in water, slightly soluble in alcohol.
Technical indicators：
Item AP CP Assay(NH4HF2) ≥98.0% ≥97.0% Residue on ignition (as sulfate) ≤0.01% ≤0.05% Chloride (Cl) ≤0.001% ≤0.005% Sulfate (SO4) ≤0.005% ≤0.01% Fluoro-silicate (in SiF6 count) ≤0.2% ≤0.5% Iron (Fe) ≤0.001% ≤0.005% Heavy metals (as Pb) ≤0.002% ≤0.005%
Hazard characteristics：

ADR-RID UN 1727 Ammoniumhydrogendifluorid,fest,8,Ⅱ

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