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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