Potassium metaphosphate
偏磷酸钾
Also known as: Potassium oxophosphoniumdiolate, Metaphosphoric acid potassium salt, Potassium polymetaphosphate, Potassium polyphosphate, MFCD00049681, EINECS 232-212-6, Phosphenic acid potassium salt, Phosphorus(1+), diolatooxo-, potassium salt (1:1)
Potassium metaphosphate (CAS 7790-53-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula KPO3 and a molecular weight of 118.06 g/mol. It is also known as Potassium oxophosphoniumdiolate, Metaphosphoric acid potassium salt and Potassium polymetaphosphate. Key properties include a melting point of 807°C and a density of 2,393 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7790-53-6
- Jingsj CID
- J-1347619-1
- Molecular Formula
- KPO3
- Chinese Name
- 偏磷酸钾
- Molecular Weight
- 118.06 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 807°C |
|---|---|
| Density | 2,393 g/cm3 |
Frequently Asked Questions
What is the CAS number of Potassium metaphosphate?
The CAS number of Potassium metaphosphate is 7790-53-6.
What are the molecular formula and molecular weight of Potassium metaphosphate?
Potassium metaphosphate has molecular formula KPO3 and molecular weight 118.06 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Potassium metaphosphate (CAS 7790-53-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1347619-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.