Polyphosphoric acid
多聚磷酸
Also known as: PPA, Polyphosphoric acids, Phosphoric acids, super- or poly-, Condensed phosphoric acid
Polyphosphoric acid (CAS 8017-16-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula (H)n+2.(P)n.(O)3n+1 and a molecular weight of 337.93 g/mol. It is also known as PPA, Polyphosphoric acids and Phosphoric acids, super- or poly-. Key properties include a melting point of 16ºC, a boiling point of 300ºC and a density of 2.06. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 8017-16-1
- Jingsj CID
- J-43836-4
- Molecular Formula
- (H)n2(P)n(O)3n1
- Chinese Name
- 多聚磷酸
- Molecular Weight
- 337.93 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 16ºC |
|---|---|
| Boiling Point | 300ºC |
| Density | 2.06 |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Polyphosphoric acid?
The CAS number of Polyphosphoric acid is 8017-16-1.
What are the molecular formula and molecular weight of Polyphosphoric acid?
Polyphosphoric acid has molecular formula (H)n+2.(P)n.(O)3n+1 and molecular weight 337.93 g/mol.
Is Polyphosphoric acid hazardous?
Polyphosphoric acid has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Polyphosphoric acid (CAS 8017-16-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43836-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.