SZSE：002741
Chemical Reagents
Ammonium dihydrogen phosphate  COA Report
  • CAS No.：7722-76-1
  • Molecular weight：115.03
  • Aliases：monoammonium phosphate
  • Molecular formula：(NH4)H2PO4
  • UN Code：3264
  • EC No.：231-764-5
  • HS-No：31054000
Information
Specification category：
Product No. Product name specifications
1.06125.010 Ammonium dihydrogen phosphate AR500g
1.06125.020 Ammonium dihydrogen phosphate CP500g
1.06125.030 Ammonium dihydrogen phosphate AR25kg
1.06125.070 Ammonium dihydrogen phosphate CP25kg
1.06125.070 Ammonium dihydrogen phosphate CP25kg
1.06125.080 Ammonium dihydrogen phosphate AR25kg
Characteristic： Appearance and properties:Colorless and odorless solid.
pH Value:3.8-4.4
Relative density (water=1):1.80 (20℃)
Melting point(℃):190
Concentration:Sterling
Solubility:Soluble in water, slightly soluble in alcohol, dissolved in acetone.
Technical indicators：
Item AP CP Ammonium dihydrogen phosphate assay(NH4H2PO4) ≥99.0% ≥ 98.5% pH value(50g/l solution,25℃) 4.0～4.5 4.0～4.5 Clarity test Qualified3# Qualified5# Insoluble matter in water ≤0.005% ≤0.01% Chloride (Cl) ≤0.0005% ≤0.001% Sulfur compounds (as SO4) ≤0.005% ≤0.01% Nitrate (NO3) ≤0.001% ≤0.002% Sodium (Na) ≤0.005% ≤0.01% Potassium (K) ≤0.005% ≤0.01% Iron (Fe) ≤0.001% ≤0.003% Arsenic (As) ≤0.0005% ≤0.002% Heavy metals (as Pb) ≤0.0005% ≤0.001%
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