POTASSIUM HYDROGEN PHTHALATE

POTASSIUM HYDROGEN PHTHALATE For HPLC

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

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

Certificate of Analysis (COAs)

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

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 Statement: 22-24/25

Revision Date : 13-Dec-2013