Phosphonic acid, (1-hydroxyethylidene)bis-, trisodium salt
(1-羟亚乙基)双膦酸三钠盐
Also known as: Etidronate trisodium, Trisodium hydrogen (1-hydroxyethylidene)bisphosphonate, 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID TRISODIUM SALT, (1-Hydroxyethylidene)diphosphonic acid, trisodium salt, Phosphonic acid, (1-hydroxyethylidene)bis-, trisodium salt, Trisodium etidronate, Ethane-1-hydroxy-1,1-diphosphonic acid, trisodium salt, 1-Hydroxyethylidene-1,1-bis-(phosphonic acid) trisodium salt, (1-Sodiooxyethylidene)bis(phosphonic acid sodium) salt
Phosphonic acid, (1-hydroxyethylidene)bis-, trisodium salt (CAS 2666-14-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H5Na3O7P2 and a molecular weight of 271.97400 g/mol. It is also known as Etidronate trisodium, Trisodium hydrogen (1-hydroxyethylidene)bisphosphonate and 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID TRISODIUM SALT. Key properties include a boiling point of 578.8ºC at 760mmHg and a flash point of 303.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2666-14-0
- Jingsj CID
- J-1138163-3
- Molecular Formula
- C2H5Na3O7P2
- Chinese Name
- (1-羟亚乙基)双膦酸三钠盐
- Molecular Weight
- 271.97400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 578.8ºC at 760mmHg |
|---|---|
| Flash Point | 303.8ºC |
Frequently Asked Questions
What is the CAS number of Phosphonic acid, (1-hydroxyethylidene)bis-, trisodium salt?
The CAS number of Phosphonic acid, (1-hydroxyethylidene)bis-, trisodium salt is 2666-14-0.
What are the molecular formula and molecular weight of Phosphonic acid, (1-hydroxyethylidene)bis-, trisodium salt?
Phosphonic acid, (1-hydroxyethylidene)bis-, trisodium salt has molecular formula C2H5Na3O7P2 and molecular weight 271.97400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phosphonic acid, (1-hydroxyethylidene)bis-, trisodium salt (CAS 2666-14-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1138163-3 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.