Sodium Dihydrogen Phosphate
Basic information :
CAS NO.7558-80-7
Chemical formula: NaH2PO4/Na2HPO4·2H2O
Molecular weight: 120.005 / 156.01
CharacterAppearance:white crystalline powder
Surface density:g/cm3：0.85/0.95
Melting point:190℃
Techical Index(Mass fraction/%)
|
Items |
Industrial grade |
|
|
Anhydrous |
Dihydrate |
|
|
Main Assay ≥ |
98.0 |
98.0 |
|
phosphorus pentoxide（Calculated as P2O5 ）≥ |
58.0 |
44.6 |
|
Water insoluble ≤ |
0.10 |
0.10 |
|
Heavy Metal(Calculated as Pb) ≤ |
0.001 |
0.001 |
|
Arsenic(Calculated as As) ≤ |
0.10 |
0.10 |
|
Sulphate(Calculated as SO4) ≤ |
0.50 |
0.50 |
|
Chloride(Calculated as Cl) ≤ |
0.40 |
0.40 |
|
PH Value(10G/l solution) |
4.20-4.6 |
4.20-4.6 |
|
Fluoride(Calculated as F) ≤ |
0.05 |
0.05 |
|
Loss on drying（NaH?PO?） ≤ |
-- |
2.0 |
Uses:
Used for boiler water treatment, acidity buffer, detergent, baking agent, mica film bonding, dye additive, leather, electroplating, etc.It is also the raw material of sodium pyrophosphate and sodium hexametaphosphate.It can be used as buffer, emulsifier and nutritive agent in food and beverage.
Package/Capacity of container/Storage
Packing:25/50/1000kg plastic woven bag.
Storage:Store in ventilated dry place.