Potassium hydrogen phthalate AR/ACS 500GM Go Back

CASR

: 877-24-7

Molecular Formula

: C8H5KO4

Molecular Weight

: 204.22
Specifications  
Appearance: White solid
Aqueous solubility: 10 g in 100 ml at 25°c
Assay (on dried basis): 99.95-100.05%
pH of a 0.05 M solution: 4.00-4.02 at 25.0+/- 0.2°c
Insoluble matter: 0.005% Max.
Chlorine compound (as Cl): 0.003% Max.
Sulphur compounds (as S): 0.002% Max.
Heavy metals (as Pb): 5 ppm Max.
Iron(Fe): 5 ppm Max.
Sodium(Na): 0.005% Max.
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