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POTASSIUM HYDROGEN PHTHALATE For HPLC

KHP; Phthalic acid monopotassium salt, Potassium biphthalate; Potassium phthalate monobasic

COAs

Packings

500 g (00500)

1PW1200500
Print friendly version
Article No. 05371 Grade For HPLC
Purity 99.5% CAS No. 877-24-7
Molecular Formula C8H5KO4 Molecular Weight 204.22
H.S. Code 2917.3990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 3.8 - 4.0 (5% aq. sol.)
Melting point/ Freezing point [°C] 295 - 300 °C Density [g/cm3] 1.64
Solubility in water [% weight] 80 g/L @ 20°C

Specifications

Appearance White crystalline powder Assay Min 99.5%
Filter test In accordance Solubility (100 mg/mL in water) Complete, colourless
pH 3.5 - 5.0 UV absorbance (10% solution in water)
at 330 nm Amax : <0.05 at 340 nm Amax : <0.03
at 350 nm Amax : <0.02 at 500 nm Amax : <0.02

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date: 13-Dec-2013

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