Acids & Salts Available to Source

Disodium Phosphate

DSP
CAS 7558-79-4 · MF HNa2O4P · MW 141.959 g/mol

Disodium Phosphate (DSP) is a moderately alkaline sodium salt of phosphoric acid. It is widely used as an emulsifier, stabilizer, and pH regulator in food

SDS / TDS Download
CAS Number
7558-79-4
Molecular Formula
HNa2O4P
Molecular Weight
141.959 g/mol
Material Family
Acids & Salts
Functional Roles
Physical Properties
melting_point
MP: loses H2O at 92.5 u00b0C; Specific gravity: 2.066 at 15 u00b0C /Disodium phosphate dihydrate/
density
1.8 to 2.5 at 77 u00b0F (USCG, 1999)
solubility
greater than or equal to 100 mg/mL at 68 u00b0F (NTP, 1992)
ph
Between 8,4 and 9,6 (1 % solution)
GHS / SDS Safety Warning
Irritant
  • H319 (29.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • Not Classified
  • Reported as not meeting GHS hazard criteria by 11 of 11 companies. For more detailed information, please visit ECHA C&L website.
Chemical Identity
CAS Number7558-79-4
IUPAC Namedisodium;hydrogen phosphate
InChI KeyBNIILDVGGAEEIG-UHFFFAOYSA-L
PubChem CID 24203
INCI NameDISODIUM PHOSPHATE
Synonyms & Trade Names
Sodium phosphate dibasic Disodium hydrogen phosphate DISODIUM PHOSPHATE Disodium hydrogenorthophosphate Acetest Sodium phosphate, dibasic Dibasic sodium phosphate Disodium acid phosphate disodium hydrogenphosphate Exsiccated sodium phosphate Soda phosphate Disodium orthophosphate Phosphoric acid, disodium salt Sodium monohydrogen phosphate Sodium hydrogen phosphate
Full Description

Disodium Phosphate (DSP) is a moderately alkaline sodium salt of phosphoric acid. It is widely used as an emulsifier, stabilizer, and pH regulator in food