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POTASSIUM PHOSPHATE DIBASIC ANHYDROUS For HPLC

Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate

COAs

Packings

500 g (00500)

1PW1200500
Print friendly version
Article No. 05428 Grade For HPLC
Purity 99% CAS No. 7758-11-4
Molecular Formula K2HPO4 Molecular Weight 174.2
H.S. Code 2835.2400 Shelf Life 60 Months

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
Revision Date: 11-Jun-2018

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