Packings
05857
Article No. 05857
Purity 98%
Molecular Formula NaH2PO4·2H2O
H.S. Code 2835.2200
Grade Extra Pure
CAS No. 13472-35-0
Molecular Weight 156.01
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 pH value 4.2 - 4.5
Melting point/ Freezing point [°C] 60°C Density [g/cm3] 1.92
Solubility in water [% weight] Soluble in water

Specifications

Appearance White powder or colorless crystals Assay (on anhydrous basis) 98.0 - 103.0%
Identification as per IP Passes test pH (5% solution in water) 4.1 - 4.5
Insoluble substances Max 0.2% Chloride (Cl) Max 0.014%
Sulphate (SO4) Max 0.15% Aluminium, calcium and related elements Passes test
Arsenic (As) Max 0.0008% Heavy metal Max 0.002%
Water 18.0 - 26.5%