Etidronate disodium
Also known as: Didronel, Disodium (1-hydroxyethylidene)diphosphonate, Disodium etidronate, Disodium 1-hydroxyethylidene phosphonate, Disodium (1-hydroxyethane-1,1-diyl)bis[hydrogen (phosphonate)], Disodium (1-hydroxy-1,1-ethanediyl)bis[hydrogen (phosphonate)], Disodium Etidronate Hydrate, Phosphonic acid, (1-hydroxyethylidene)bis-, sodium salt (1:2), EINECS 231-025-7, MFCD00152567, disodium,hydroxy-[1-hydroxy-1-[hydroxy(oxido)phosphoryl]ethyl]phosphinate, (1-Hydroxyethylidene)diphosphonic acid, disodium salt, 1-Hydroxyethylidene-1,1-diphosphonic acid disodium salt, Dinatrium-(1-hydroxyethan-1,1-diyl)bis[hydrogen-(phosphonat)], (1-hydroxyéthane-1,1-diyl)bis[hydrogène (phosphonate)] de disodium
Etidronate disodium (CAS 7414-83-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H6Na2O7P2 and a molecular weight of 249.992 g/mol. Key properties include a melting point of > 300ºC, a boiling point of 578.8ºC at 760 mmHg and a flash point of 303.8ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 7414-83-7
- Jingsj CID
- J-35321-4
- Molecular Formula
- C2H6Na2O7P2
- Molecular Weight
- 249.992 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | > 300ºC |
|---|---|
| Boiling Point | 578.8ºC at 760 mmHg |
| Flash Point | 303.8ºC |
| Exact Mass | 249.938416 |
| PSA | 160.57000 |
| Additional Property | H2O: 26 mg/mL | Soluble in water (26 mg/ml). |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Activity & Biological Data
| Additional Information | [1]. Dunn CJ, et al. Etidronic acid. A review of its pharmacological properties and therapeutic efficacy in resorptive bone disease. Drugs Aging. 1994 Dec;5(6):446-74. [2]. Ariyoshi T, et al. Effect of etidronic acid on arterial calcification in dialysis patients. Clin Drug Investig. 2006;26(4):215-22. [3]. Zhou Y, et al. Cytotoxicity of etidronic acid to human breast cancer cells. Ethn Dis. 2008 Spring;18(2 Suppl 2):S2-87-92. [4]. Zhu S, et al. In-Depth Study of Heavy Metal Removal by an Etidronic Acid-Functionalized Layered Double Hydroxide. ACS Appl Mater Interfaces. 2022 Feb 9;14(5):7450-7463. [5]. Kameda T, et al. Estrogen inhibits bone resorption by directly inducing apoptosis of the bone-resorbing osteoclasts. J Exp Med. 1997 Aug 18;186(4):489-95. |
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Frequently Asked Questions
What is the CAS number of Etidronate disodium?
The CAS number of Etidronate disodium is 7414-83-7.
What are the molecular formula and molecular weight of Etidronate disodium?
Etidronate disodium has molecular formula C2H6Na2O7P2 and molecular weight 249.992 g/mol.
Is Etidronate disodium hazardous?
Etidronate disodium has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Etidronate disodium (CAS 7414-83-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35321-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.