Specialty Additives Available to Source

Monosodium Phosphate

CAS 7558-80-7 · MF H2NaO4P · MW 119.977 g/mol

Monosodium Phosphate (MSP) is an acidic sodium salt of phosphoric acid used primarily as a buffering agent and pH regulator. It is utilized in various food

SDS / TDS Download
CAS Number
7558-80-7
Molecular Formula
H2NaO4P
Molecular Weight
119.977 g/mol
Material Family
Specialty Additives
Functional Roles
Physical Properties
melting_point
Decomposes at 75
density
2360 kg/cu m
solubility
121 g/L
ph
Between 4,1 and 5,0 (1 % solution)
GHS / SDS Safety Warning
Irritant
  • H319 (11%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • Not Classified
  • Reported as not meeting GHS hazard criteria by 2 of 2 companies. For more detailed information, please visit ECHA C&L website.
Chemical Identity
CAS Number7558-80-7
IUPAC Namesodium dihydrogen phosphate
InChI KeyAJPJDKMHJJGVTQ-UHFFFAOYSA-M
PubChem CID 23672064
INCI NameSODIUM PHOSPHATE
Synonyms & Trade Names
Monosodium phosphate SODIUM DIHYDROGEN PHOSPHATE Sodium acid phosphate Sodium phosphate, monobasic Sodium primary phosphate Acid sodium phosphate Monosodium monophosphate Monobasic sodium phosphate Monosodium dihydrogen orthophosphate Monosodium phosphate, anhydrous Monosodium orthophosphate Monosorb XP-4 Primary sodium phosphate Sodium dihydrogen phosphate, anhydrous Sodium phosphate (Na(H2PO4))
Full Description

Monosodium Phosphate (MSP) is an acidic sodium salt of phosphoric acid used primarily as a buffering agent and pH regulator. It is utilized in various food