POTASSIUM PHOSPHATE DIBASIC ANHYDROUS
POTASSIUM PHOSPHATE DIBASIC ANHYDROUS Extra Pure
Confirms to BP, USP
Short Name: POTASSIUM PHOSPHATE DIBASIC ANHYDROUS
Synonym: Dipotassium hydrogenphosphate, Dipotassium phosphate
Basic Details
Article No.
LG3763
Grade
Extra Pure
Purity
98%
CAS No.
7758-11-4
HS Code
2835.2400
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
8.8
Melting point/ Freezing point [°C]
>465°C
Decomposition point [°C]
>465°C
Density [g/cm3]
2.338
Solubility in water [% weight]
1600 g/l (20°C)
Chemical Specifications
Appearance
White hygroscopic crystalline powder
Assay (acidimetric; on dried basis)
98 - 100.5%
pH (10% solution in water)
8.5 - 9.6
Appearance of solution
Passes test
Insoluble matter in water
Max 0.2%
Carbonate
Passes test
Chloride (Cl)
Max 0.02%
Fluoride (F)
Max 0.001%
Sulphate (SO4)
Max 0.1%
Heavy metal (as Pb)
Max 0.001%
Iron (Fe)
Max 0.001%
Arsenic (As)
Max 0.0002%
Sodium (Na)
Max 0.5%
Potassium hydrogen phosphate (KH2PO4)
Max 3.0%
KMnO4 reducing matter (as O)
Max 0.04%
Loss on drying (at 130°C)
Max 1%
Safety Information & Hazard Symbols
Safety Statement
22-24/25