Compound Q&A
What is Disodium hydrogen phosphate (CAS: 7558-79-4)?
Answer
Disodium hydrogen phosphate is a chemical compound with the formula Na2HPO4. It is a white, crystalline solid commonly used as a pH buffer and in various industrial applications. This compound is soluble in water and has a neutral to slightly basic pH. It is also known as sodium hydrogen phosphate and is widely used in laboratory settings. Its CAS number is 7558-79-4, which helps in identifying and regulating its use in chemical products.
About
CAS No
7558-79-4
English Name
Disodium hydrogen phosphate
Molecular Formula
HNa2O4P
Molecular Weight
141.96 g/mol
SMILES
OP(=O)([O-])[O-].[Na+].[Na+]
InChIKey
BNIILDVGGAEEIG-UHFFFAOYSA-L
Last Updated: 2025-08-25 01:07
