di-Sodium Hydrogen Ortho Phosphate Dihydrate AR 500Gram CDH

PRODUCT CODE 643405
SYNONYMS (Sodium phosphate dibasic dihydrate)
C.I. NO. --
CASR NO. (10028-24-7)
ATOMIC OR MOLECULAR FORMULA Na2HPO4.2H2O
ATOMIC OR MOLECULAR WEIGHT 177.99
PROPERTIES --

PARAMETER LIMIT
Description A white or almost white crystalline powder or colourless crystals.
Solubility 10% solution in water is clear and colourless.
Identification Passes test.
Minimum assay (Acidimetric;dried substance) 99.5%
pH of (5% soln. in water) 8.7-9.4

MAXIMUM LIMIT OF IMPURITIES
Loss on drying (at 120°C,4 hours) 18.0-22.0%
Reducing substances Passes test.
Insoluble matter 0.005%
Chloride (Cl) 0.001%
Sulphate (SO4) 0.005%
Iron (Fe) 0.001%
Heavy metals (Pb) 0.001%