Monosodium Phosphate AR,CP

Synonyms: Sodium dihydrogen phosphate; Monosodium orthophosphate; Acid monosodium monophosphate; Sodium dihydrogen monophosphate; Monobasic sodium phosphate; MSP

Molecular Formula:

Monosodium Phosphate Anhydrous: NaH2PO4;

Sodium Dihydrogen Phosphate Monohydrate: NaH2PO4·H2O；

Monosodium Phosphate Dihydrate: NaH2PO4·2H2O

Molecular Weight: Anhydrous: 120.01; Monohydrate: 138.01; Dihydrate: 156.01

CAS: Anhydrous: 7558-80-7; Monohydrate: 10049-21-7; Dihydrate: 13472-35-0

Properties: Odorless, colorless crystal or white granular or crystalline powder.

NaH2PO4 Specification:

Item	MSP 2H2O (Chemical Pure)	MSP 2H2O (Analytical Reagent)
Main Contents	99%min	99%min
PH Value of 1% water solution	4.2-4.6	4.2-4.6
Water insoluble	0.02%max.	0.01%max.
Heavy metals, as Pb	0.005%max.	0.001%max.
Arsenic, as As	0.0005%max.	0.0002%max.
Fluoride, as F	0.0003%max	0.0003%max.
Lead, as Pb	0.0003%max	0.0003%max.
Chloride, as Cl	0.01%max.	0.005%max.
Sulphate, as SO4	0.01%max.	0.005%max.
Nitrate, as NO3	0.002%max.	0.001%max.
Iron, as Fe	0.005%max.	0.001%max.
Potassium, as K	0.1%max.	0.02%max.