1,8-Octanediphosphonic acid
1,8-辛烷二膦酸
Also known as: 1,8-Diphosphonooctane, 1,8-octanediylbis-phosphonic acid, 8-phosphonooctylphosphonic acid, C8BPA, Octamethylen-diphosphonsaeure, 1,8-octylenediphosphonic acid
1,8-Octanediphosphonic acid (CAS 5943-66-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H20O6P2 and a molecular weight of 274.18800 g/mol. It is also known as 1,8-Diphosphonooctane, 1,8-octanediylbis-phosphonic acid and 8-phosphonooctylphosphonic acid. Key property: a melting point of 180-185ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5943-66-8
- Jingsj CID
- J-1192629-0
- Molecular Formula
- C8H20O6P2
- Chinese Name
- 1,8-辛烷二膦酸
- Molecular Weight
- 274.18800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 180-185ºC |
|---|
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1,8-Octanediphosphonic acid?
The CAS number of 1,8-Octanediphosphonic acid is 5943-66-8.
What are the molecular formula and molecular weight of 1,8-Octanediphosphonic acid?
1,8-Octanediphosphonic acid has molecular formula C8H20O6P2 and molecular weight 274.18800 g/mol.
Is 1,8-Octanediphosphonic acid hazardous?
1,8-Octanediphosphonic 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. "1,8-Octanediphosphonic acid (CAS 5943-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1192629-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.