Sodium polyphosphate
六偏磷酸钠
Also known as: Sodium hexametaphosphate, Sodium metaphosphate, Calgon, Graham's salt, SHMP, Glass sodium phosphate
Sodium polyphosphate (CAS 68915-31-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula NaO18P6----- and a molecular weight of 221.939 g/mol. It is also known as Sodium hexametaphosphate, Sodium metaphosphate and Calgon. Key properties include a melting point of 628 °C and a density of 1.25. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 68915-31-1
- Jingsj CID
- J-1364300-7
- Molecular Formula
- NaO18P6
- Chinese Name
- 六偏磷酸钠
- Molecular Weight
- 221.939 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 628 °C |
|---|---|
| Density | 1.25 |
Frequently Asked Questions
What is the CAS number of Sodium polyphosphate?
The CAS number of Sodium polyphosphate is 68915-31-1.
What are the molecular formula and molecular weight of Sodium polyphosphate?
Sodium polyphosphate has molecular formula NaO18P6----- and molecular weight 221.939 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium polyphosphate (CAS 68915-31-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1364300-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.