SODIUM DIHYDROGEN ORTHOPHOSPHATE DIHYDRATE
SODIUM DIHYDROGEN ORTHOPHOSPHATE DIHYDRATE AR
Confirms to BP, USP
Short Name: SODIUM DIHYDROGEN ORTHOPHOSPHATE DIHYDRATE
Synonym: Sodium phosphate monobasic dihydrate
Basic Details
Article No.
LG4244
Grade
AR
Purity
99%
CAS No.
13472-35-0
HS Code
2835.2200
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
4.2 - 4.5
Melting point/ Freezing point [°C]
60°C
Density [g/cm3]
1.92
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
Colorless crystals or white crystalline powder
Assay
99.0 - 100.5%
Identity (acc. to pharmacopoeias)
Passes test
Appearance of solution
Passes test
Insoluble matter in water
Max 0.01%
pH (1% solution in water)
4.1-4.7
pH (5% solution in water; 20°C)
4.2-4.5
pH (5.7% solution in water)
4.1-4.5
Chloride (Cl)
Max 0.001%
Sulphate (SO4)
Max 0.005%
Aluminium, calcium and related elements
Passes test
Substance reducing KMnO4 (as O)
Passes test
Arsenic (As)
Max 0.0002%
Calcium (Ca)
Max 0.002%
Iron (Fe)
Max 0.001%
Heavy metal (as Pb)
Max 0.0005%
Magnesium (Mg)
Max 0.001%
Potassium (K)
Max 0.005%
Loss on drying (at 130°C)
21.5 - 24.0%
Safety Information & Hazard Symbols