Name: Potassium hydrogen phthalate
Molecular formula: C8H5O4K
Molecular weight: 204.22
CAS: 877-24-7
Properties
Melting point: 295-300℃Boiling point: 378.3°C
Flash point: 196.7°C
Water solution: 80 g/L
Specification
Items Specification
Assay,% 99.8 MinPH 3.8-4.2
Clarity test/number 4 Max
Insoluble matter,% 0.005 Max
Loss on drying,% 0.05 Max
Chloride(Cl),% 0.002 Max
Sodium(Na),% 0.01 Max
Iron(Fe),% 0.0005 Max
Ammonia(NH4),% 0.005 Max
Nitrogen(N),% 0.006 Max
Heavy metal(Pb),% 0.0005 Max
Usage
Used in analytical reagent
Packaging
25kg/fiber drum or 25kg/bag
Sorage & Handing
Do not store in direct sunlight.Store in a tightly closed container.
Store in a cool,dry,well-ventilated area away from incompatible substances.