Packings
05428
Article No. 05428
Purity 99%
Molecular Formula K2HPO4
H.S. Code 2835.2400
Grade For HPLC
CAS No. 7758-11-4
Molecular Weight 174.2
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 8.8
Melting point/ Freezing point [°C] >465°C Decomposition point [°C] >465°C
Density [g/cm3] 2.338 Solubility in water [% weight] 1600 g/l (20°C)

Specifications

Appearance White hygroscopic crystalline powder Assay Min 99%
Solubility (0.1 g/mL in water; 25°C) Complete, colourless pH (10% solution in water) 8.5 - 9.6
Loss on drying (at 105°C) Max 1.0% UV absorbance (10% in water) -
at 230 nm Max 0.15 at 240 nm Max 0.12
at 250 nm Max 0.11 at 310 nm Max 0.05
at 500 nm Max 0.02

Safety Information and Hazard Symbols

Safety Statement: 22-24/25