Disodium phosphate dodecahydrate (CAS 10039-32-4) — formula Na2HPO4, molecular weight 141.959; category inorganic chemicals.
Disodium phosphate dodecahydrate (CAS 10039-32-4) is a chemical raw material in the inorganic chemicals category. Its molecular formula Na2HPO4 comprises 2 Na, 1 H, 1 P, 4 O atoms. Its molecular weight is about 141.959. 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 | 10039-32-4 |
|---|---|
| Molecular Formula | Na2HPO4 |
| Molecular Weight | 141.959 |
| 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 | Inorganic Chemicals |
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.
Disodium phosphate dodecahydrate is an inorganic compound with CAS registry number 10039-32-4 and molecular formula Na2HPO4 (molecular weight 141.959), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 10039-32-4
Its molecular formula Na2HPO4 comprises 2 Na, 1 H, 1 P, 4 O atoms.
Also known as: Disodium phosphate dodecahydrate · 十二水磷酸二钠
Category: inorganic chemicals
The CAS registry number of Disodium phosphate dodecahydrate is 10039-32-4.
Molecular formula Na2HPO4, molecular weight 141.959.
It is also registered under: Disodium phosphate dodecahydrate, 十二水磷酸二钠.
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: Inorganic Chemicals.
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 Disodium phosphate dodecahydrate (CAS 10039-32-4), compiled from public chemistry databases.
| CAS Registry Number | 10039-32-4 |
|---|---|
| PubChem CID | 24203 |
| Molecular formula | Na2HPO4 |
| IUPAC name | disodium;hydrogen phosphate |
| UNII (FDA) | 22ADO53M6F |
| FEMA number | 2398 |
| 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
| Regulatory & Food Contact | FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFI FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS ACIDITY_REGULATOR; EMULSIFIER; TEXTURIZER; THICKENER: Food Additives ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFIER OR EMULSIFIER SALT, FLAVOR Group MTDI for phosphorus from all sources, expressed as P TRS 683-JECFA 26/25 |
|---|---|
| GHS notification summary | 70.3% (744 / 1059) |
| GHS notification summary | 70.3% (744 / 1059) |
|---|---|
| Reported hazard statements | H319 (29.7%) |
This chemical does not meet GHS hazard criteria for 70.3% (744 of 1059) of all reports.
H319 (29.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Disodium phosphate dodecahydrate · CAS 10039-32-4 · Na2HPO4. UNII 22ADO53M6F. Solubility: 11.8 g/100 g water at 25 °C; Density: 0.5-1.2 g/cm³; Decomposition: ~250 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 十二水磷酸二钠