Monosodium Phosphate Properties, Molecular Formula, Applications - WorldOfChemicals

Monosodium Phosphate Properties

Monosodium Phosphate

Molecule Structure Image



Monosodium phosphate is a chemical compound of sodium with a phosphate counterion. It is used as a laxative and, in combination with other sodium phosphates, as a pH buffer. It is used for water treatment to boiler, detergent, cleaning agent, dyeing flux, for tanning and electroplating. For food additive it is mainly used as buffering agent, emulsification agent, nourishment, etc.

Chemical Properties

Appearance White crystalline powder
Boiling Point 100°C
CAS Number 7558-80-7
Class NA
Density 1.40 g/m3
EINECS Number 231-449-2
HS Code 28352200
IUPAC Name Sodium Dihydrogen Phosphate
InChI 1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
Melting Point <0°C
Molar Mass 119.98 g/mol
Molecular Formula NaH2PO4
NFPA 704 H-1,F-0,R-0,C-NA
Other_Cations Monopotassium Phosphate;Monoammonium Phosphate
RTECS Number WA1900000
Related Compounds Disodium Phosphate;Trisodium Phosphate
Solubility 59.9 g/100 ml
Synonyms Sodium Dihydrogenorthophosphate;Phosphoricacid, Monosodium Salt;Dihydrogen Monosodium Phosphate;Dihydrogensodium Phosphate;Monobasic Sodium Phosphate;Monosodium Hydrogen Phosphate;Monosodium Phosphate;Sodium Primary Phosphate;MSP;Anhydrous Monobasic Sodium Phosphate