(1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt
羟基亚乙基二膦酸四钠
Also known as: Tetrasodium (1-hydroxyethylidene)bis(phosphonate), Tetrasodium (1-hydroxyethane-1,1-diyl)bis(phosphonate), 1-Hydroxyethylidene-1,1-diphosphonic acid tetrasodium salt, deflocen43, dequest2016, ethane-1-hydroxy-1,1-diphosphonic acid tetrasodium salt, tetra sodium hydroxyethylidene diphosphonate, tetrasodium 1-hydroxyethylidene diphosphonate, tetrasodium,1,1-diphosphonatoethanol, HEDP·4Na, Sodium Salt of 1-Hydroxyethylene-1,1-diphosphonic Acid HEDP.4Na
(1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt (CAS 3794-83-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H4Na4O7P2 and a molecular weight of 293.956 g/mol. It is also known as Tetrasodium (1-hydroxyethylidene)bis(phosphonate), Tetrasodium (1-hydroxyethane-1,1-diyl)bis(phosphonate) and 1-Hydroxyethylidene-1,1-diphosphonic acid tetrasodium salt. Key properties include a melting point of 198-199ºC, 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.
- 3794-83-0
- Jingsj CID
- J-15744-1
- Molecular Formula
- C2H4Na4O7P2
- Chinese Name
- 羟基亚乙基二膦酸四钠
- Molecular Weight
- 293.956 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 198-199ºC |
|---|---|
| Boiling Point | 578.8ºC at 760mmHg |
| Flash Point | 303.8ºC |
Frequently Asked Questions
What is the CAS number of (1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt?
The CAS number of (1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt is 3794-83-0.
What are the molecular formula and molecular weight of (1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt?
(1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt has molecular formula C2H4Na4O7P2 and molecular weight 293.956 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt (CAS 3794-83-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15744-1 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.