POTASSIUM HYDROGEN PHTHALATE For HPLC

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

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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
MSDS
 

 

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

Packings

  • 1PW1200500

    500 g (00500)

 

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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