Article No. 01165
Purity 98%
Molecular Formula NH4H2PO4
H.S. Code 2835.2990
Grade Extra Pure
CAS No. 7722-76-1
Molecular Weight 115.03
Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour odourless pH value 3.8 - 4.4 at 50 g/l at 25 °C
Melting point/ Freezing point [°C] 190 °C Density [g/cm3] 1.8
Solubility in water [% weight] Soluble in water

Specifications

Appearance White crystalline powder Assay (acidimetric) 98 - 101%
Chloride (Cl) Max 0.005% Nitrate (NO3) Max 0.002%
Sulphate (SO4) Max 0.01% Arsenic (As) Max 0.0001%
Heavy metal (as Pb) Max 0.005% Iron (Fe) Max 0.001%