Packings
05357
Article No. 05357
Purity 99.5%
Molecular Formula KH2PO4
H.S. Code 2835.2400
Grade AR/ACS
CAS No. 7778-77-0
Molecular Weight 136.09
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless Melting point/ Freezing point [°C] 253 °C
Decomposition point [°C] 253 °C Density [g/cm3] 2.338
Solubility in water [% weight] Soluble in water

Specifications

Appearance White crystalline powder Assay (acidimetric) Min 99.5%
pH (5% solution in water; 25°C) 4.1 - 4.5 Insoluble matter in water Max 0.01%
Chloride (Cl) Max 0.001% Sulphate (SO4) Max 0.003%
Total nitrogen (N) Max 0.001% Heavy metals (by ICP-OES) Max 0.001%
Iron (Fe) Max 0.001% Sodium (Na) Max 0.005%
Loss on drying (at 105°C; 2 hrs) Max 0.2%