Sodium polyphosphate (CAS 68915-31-1) — formula Na2H2P2O7, molecular weight 221.94; category inorganic chemicals.
Sodium polyphosphate (CAS 68915-31-1) is a chemical raw material in the inorganic chemicals category. Its molecular formula Na2H2P2O7 comprises 2 Na, 2 H, 2 P, 7 O atoms. Its molecular weight is about 221.94. 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 | 68915-31-1 |
|---|---|
| Molecular Formula | Na2H2P2O7 |
| Molecular Weight | 221.94 |
| Applications | CIR ingredient: Disodium Pyrophosphate, baking powders and as food acidulant, Hexahydrate: Used in electroplating, metal cleaning and phosphatizing, and drilling muds, Acid and Alkali Cleaning of Metals |
| Category | Inorganic Chemicals |
Documented applications: CIR ingredient: Disodium Pyrophosphate, baking powders and as food acidulant, Hexahydrate: Used in electroplating, metal cleaning and phosphatizing, and drilling muds, Acid and Alkali Cleaning of Metals.
Sodium polyphosphate is an inorganic compound with CAS registry number 68915-31-1 and molecular formula Na2H2P2O7 (molecular weight 221.94), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 68915-31-1
Its molecular formula Na2H2P2O7 comprises 2 Na, 2 H, 2 P, 7 O atoms.
Also known as: Sodium polyphosphate · 聚磷酸钠
Category: inorganic chemicals
The CAS registry number of Sodium polyphosphate is 68915-31-1.
Molecular formula Na2H2P2O7, molecular weight 221.94.
It is also registered under: Sodium polyphosphate, 聚磷酸钠.
Recorded applications: CIR ingredient: Disodium Pyrophosphate, baking powders and as food acidulant, Hexahydrate: Used in electroplating, metal cleaning and phosphatizing, and drilling muds, Acid and Alkali Cleaning of Metals.
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 Sodium polyphosphate (CAS 68915-31-1), compiled from public chemistry databases.
| CAS Registry Number | 68915-31-1 |
|---|---|
| PubChem CID | 24451 |
| Molecular formula | Na2H2P2O7 |
| IUPAC name | disodium;[hydroxy(oxido)phosphoryl] hydrogen phosphate |
| UNII (FDA) | H5WVD9LZUD |
| Molecular Weight | 221.94 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 2 |
| Exact Mass | 221.90711496 |
| Monoisotopic Mass | 221.90711496 |
| Topological Polar Surface Area | 130 |
| Heavy Atom Count | 11 |
| Density | 1.862 @25 °C |
|---|
7758-16-9; Sodium acid pyrophosphate; Disodium dihydrogen pyrophosphate; DISODIUM PYROPHOSPHATE; Disodium dihydrogen diphosphate; Dinatriumpyrophosphat; Disodium acid pyrophosphate; Diphosphoric acid, disodium salt; SAPP; H5WVD9LZUD; Pyrophosphoric acid, disodium salt; RefChem:135083; 231-835-0; Dinatriumpyrophosphat [German]; Disodium dihydrogenpyrophosphate; HSDB 377
| Regulatory & Food Contact | FDA Substance added to food: COLOR OR COLORING ADJUNCT, DOUGH STRENGTHENER, EMULSIFIER OR EMULSIFIER SALT, FL ACIDITY_REGULATOR; RAISING_AGENT; SEQUESTRANT: Food Additives COLOR OR COLORING ADJUNCT, DOUGH STRENGTHENER, EMULSIFIER OR EMULSIFIER SALT, FLAVORING AGENT OR ADJUVANT, FLO ACID SODIUM PYROPHOSPHATE Group MTDI for phosphorus from all sources, expressed as P TRS 683-JECFA 26/25 |
|---|---|
| GHS notification summary | 14.5% (71 / 490) |
| GHS notification summary | 14.5% (71 / 490) |
|---|---|
| Reported hazard statements | H302 (25.5%), H319 (84.5%) |
This chemical does not meet GHS hazard criteria for 14.5% (71 of 490) of reports.
H302 (25.5%): Harmful if swallowed [Warning Acute toxicity, oral]
Sodium polyphosphate · CAS 68915-31-1 · Na2H2P2O7. UNII H5WVD9LZUD. Density: 1.862 @25 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 聚磷酸钠