sodium hydrogen phosphate (CAS 7558-79-4) — formula HNa2O4P, molecular weight 141.94 g/mol; category food additives.
sodium hydrogen phosphate (CAS 7558-79-4) is a chemical raw material in the food additives category. Its molecular formula HNa2O4P comprises 1 H, 2 Na, 4 O, 1 P atoms. Its molecular weight is about 141.94 g/mol. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 7558-79-4 |
|---|---|
| Molecular Formula | HNa2O4P |
| Molecular Weight | 141.94 g/mol |
| Applications | CIR ingredient: Disodium Phosphate, emulsifier and buffer in foods and pharmaceuticals, metal phosphatising/electroplating reagent, scale inhibitor (boiling water treatment), textile/leather auxiliary, sequestrant |
| Category | Nutrition Enhancers|Food Processing Aids |
Documented applications: CIR ingredient: Disodium Phosphate, emulsifier and buffer in foods and pharmaceuticals, metal phosphatising/electroplating reagent, scale inhibitor (boiling water treatment), textile/leather auxiliary, sequestrant.
sodium hydrogen phosphate is a food-grade compound with CAS registry number 7558-79-4 and molecular formula HNa2O4P (molecular weight 141.94 g/mol), belonging to the food additives segment of chemical raw materials.
CAS number: 7558-79-4
Its molecular formula HNa2O4P comprises 1 H, 2 Na, 4 O, 1 P atoms.
Also known as: sodium hydrogen phosphate · 磷酸氢二钠 · Disodium phosphate · Sodium hydrogen orthophosphate
Category: food additives / food additives
The CAS registry number of sodium hydrogen phosphate is 7558-79-4.
Molecular formula HNa2O4P, molecular weight 141.94 g/mol.
It is also registered under: sodium hydrogen phosphate, 磷酸氢二钠, Disodium phosphate, Sodium hydrogen orthophosphate.
Recorded applications: CIR ingredient: Disodium Phosphate, emulsifier and buffer in foods and pharmaceuticals, metal phosphatising/electroplating reagent, scale inhibitor (boiling water treatment), textile/leather auxiliary, sequestrant.
Category: Nutrition Enhancers / Food Processing Aids.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for sodium hydrogen phosphate (CAS 7558-79-4), compiled from public chemistry databases.
| CAS Number | 7558-79-4 |
|---|---|
| PubChem CID | 24203 |
| Molecular Formula | HNa2O4P |
| Molecular Weight | 141.94 g/mol |
| IUPAC Name | disodium;hydrogen phosphate |
| InChIKey | BNIILDVGGAEEIG-UHFFFAOYSA-L |
| UNII (FDA) | 22ADO53M6F |
| Molecular Weight | 141.959 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 141.94078407 |
| Monoisotopic Mass | 141.94078407 |
| Topological Polar Surface Area | 83.4 |
| Heavy Atom Count | 7 |
| Solubility | 11.8 g/100 g water at 25 °C |
|---|---|
| Density | 0.5-1.2 g/cm³ |
| Decomposition | ~250 °C |
| pH | pH = 9.1 for 1% aq soln at 25 °C |
7558-79-4; Sodium phosphate dibasic; DISODIUM PHOSPHATE; Disodium hydrogen phosphate; Disodium hydrogenorthophosphate; Acetest; Sodium phosphate, dibasic; Dibasic sodium phosphate; Disodium acid phosphate; Soda phosphate; Exsiccated sodium phosphate; disodium hydrogenphosphate; Disodium orthophosphate; Phosphoric acid, disodium salt; Sodium hydrogen phosphate; Sodium monohydrogen phosphate
| GHS notifications | 70.3% (744 / 1059) |
|---|
| GHS notifications | 70.3% (744 / 1059) |
|---|---|
| Notified hazard statements | H319 (29.7%) |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 磷酸氢二钠