ChemAbout
© 2026 ChemAbout
Insights|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Food Additive/Dibasic sodium phosphate
HNa2O4P
141.959 g/mol
Food AdditiveWarning

Sodium phosphate dibasic

CAS7558-79-4EC231-448-7
Category
Food Additive
Compound Class
Inorganic Salt
Primary Use
buffering agent and food additive

Disodium phosphate, also known as sodium phosphate dibasic, is an inorganic compound that exists in anhydrous and various hydrated forms. It is commonly used as a buffering agent and food additive to regulate acidity and maintain stability in food products.

buffering agentfood additive

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Sourcing or supplying this compound?

List your inventory or post a purchase request

CAS 7558-79-4

List This Product
Sign in to publish supply information
Request This Product
Submit a request without registering

Related Compounds

StrongSame Parent

Dicalcium phosphate

CAS7757-93-9

mineral supplement and leavening agent

StrongSame Parent

Dibasic potassium phosphate

CAS7758-11-4

buffering agent and emulsifier

StrongSame Parent

Dibasic trihydratemagnesium phosphate

CAS7782-75-4

mineral compound

StrongSame Parent

Heptahydratedibasicsodium phosphate

CAS7782-85-6

food sequestrant emulsifier and buffer

ReferenceSame Category

Betadex

CAS7585-39-9

thickening and encapsulation agent

ReferenceSame Category

Sodium hydrogen sulfite

CAS7631-90-5

Food preservative and disinfectant

ReferenceSame Category

Ammonium citrate

CAS7632-50-0

food acidity regulator

ReferenceSame Category

Sodium chloride

CAS7647-14-5

Food condiment and preservative

Safety Reference

Harmful
Harmful
Warning
H319Causes serious eye irritation
Identifiers
IUPAC Name

disodium;hydrogen phosphate

InChIKey

BNIILDVGGAEEIG-UHFFFAOYSA-L

SMILES

OP(=O)([O-])[O-].[Na+].[Na+]

Synonyms (72)
  • DSP
  • DIBASIC SODIUM PHOSPHATE (USP MONOGRAPH)
  • DISODIUM PHOSPHATE (EP MONOGRAPH)
  • SODIUM PHOSPHATE, DIBASIC (USP IMPURITY)
  • Acetest
  • Caswell No. 778
  • DISODIUM PHOSPHATE
  • DISODIUM PHOSPHATE (NA2HPO4)
  • Diabasic Sodium Phosphate
  • Dibasic sodium phosphate
  • Disodium acid orthophosphate
  • Disodium acid phosphate
  • Disodium hydrogen phosphate
  • Disodium hydrophosphate
  • Disodium orthophosphate
  • Disodium phospahte
  • Disodium phosphate, anhydrous
  • Disodium phosphoric acid
  • E-339(II)
  • EXCICCATED SODIUM PHOSPHATE
  • Exsiccated sodium phosphate
  • FEMA No. 2398
  • FEMA Number 2398
  • Fleet enema
  • Hydrogen disodium phosphate
  • INS NO.339(II)
  • NAT. PHOS.
  • Natriumphosphat
  • Natriumphosphat [German]
  • Phosphate of soda
  • SODIUM ORTHOPHOSPHATE DIBASIC
  • SODIUM PHOSPHATE (NA2HPO4)
  • SODIUM PHOSPHATE,
  • Soda phosphate
  • Sodium hydrogen phosphate
  • Sodium monohydrogen phosphate
  • Sodium phophate, dibasic
  • Sodium phosphate (NaHPO4)
  • Sodium phosphate dibasic
  • Sodium phosphate, exsiccated
  • Sorensen's sodium phosphate
  • secondary Sodium phosphate