Disodium hydrogen phosphate dihydrate
What is Disodium hydrogen phosphate dihydrate?
Disodium hydrogen phosphate dihydrate (CAS 10028-24-7), also sold as sodium phosphate dibasic dihydrate, is an inorganic phosphate salt used as a pH buffer and sequestrant. Approved as E339.
Where is Disodium hydrogen phosphate dihydrate used?
- Food manufacturing: emulsifying salt and buffering agent
- Processed cheese, dairy blends and cured meat: prevents protein separation and texture breakdown
- Pharmaceuticals: buffered saline solutions, injectable formulations and tablet excipient blends
- Water treatment: inhibits scale and corrosion by sequestering calcium and magnesium ions
- Animal feed: supplies bioavailable phosphorus and supports mineral balance
- In food applications it controls acidity and stabilizes formulations.
Commercial specifications
- Packaging from 25 kg bags to bulk quantities
Other Names (Synonyms)
Sodium phosphate dibasic dihydrate|Disodium phosphate dihydrate|Phosphoric acid, disodium salt, dihydrate|Disodium orthophosphate dihydrate|Disodium monohydrogen phosphate dihydrate|Sodium phosphate (Na2HPO4) dihydrate|Disodium Phosphate DSP|E949