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SZSE：002741
Chemical Reagents
Diammonium hydrogen phosphate?COA Report
  • CAS No.： 7783-28-0
  • Molecular weight：132.05
  • Aliases：Diammonium phosphate
  • Molecular formula：H9N2O4P
  • EC No.：231-987-8
  • HS-No：31053000
Information
Specification category：
Product No. Product name specifications
1.06126.010 Diammonium hydrogen phosphate AR500g
1.06126.020 Diammonium hydrogen phosphate CP500g
1.06126.030 Diammonium hydrogen phosphate AR25kg
1.06126.040 Diammonium hydrogen phosphate CP25kg
1.06126.050 Diammonium hydrogen phosphate Spec25kg
1.06126.080 Diammonium hydrogen phosphate AR25kg
Characteristic： Appearance and properties:Slightly spicy white solid
pH Value:7.8-8.5
Relative density (water=1):1.62 (20℃)
Melting point(℃):155℃
Concentration:Sterling
Solubiity:Soluble in water, dissolved in alcohol, acetone, ammonia
Technical indicators：
Item AP CP Assay[(NH4)2HPO4] ≥99.0% ≥98.0% pH value(50g/l solution,25 ℃) 7.8～8.2 7.8～8.2 Clarity test Qualified3# Qualified5# Insoluble matter in water ≤0.005% ≤0.01% Chloride (Cl) ≤0.0005% ≤0.004% Sulfur compounds (as SO4) ≤0.005% ≤0.01% Nitrate (NO3) ≤0.0005% ≤0.001% Sodium (Na) ≤0.01% ≤0.02% Potassium (K) ≤0.005% ≤0.01% Iron (Fe) ≤0.0005% ≤0.002% Arsenic (As) ≤0.0005% ≤0.002% Heavy metals (as Pb) ≤0.0005% ≤0.001%
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