Etidronic acid
羟基乙叉二膦酸
Also known as: 1-Hydroxyethylidene-1,1-diphosphonic acid, HEDP, 1-Hydroxyethane-1,1-diphosphonic acid, Acetodiphosphonic acid, DEQUEST 2010, Didronel IV, EHDP, Etidronate, Etidronic acid monohydrate, Osteoscan, Turpinal SL, (1-Hydroxyethylidene)bis(phosphonic acid), 1-Hydroxy-1,1-ethanediylbis(phosphonic acid)
- CAS No.
- 2809-21-4
- Jingsj CID
- J-19099-8
- Molecular Formula
- C2H8O7P2
- Chinese Name
- 羟基乙叉二膦酸
- Molecular Weight
- 206.028 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 198~199℃ |
|---|---|
| Boiling Point | 578.8±60.0 °C at 760 mmHg |
| Density | 2.1±0.1 g/cm3 |
| Flash Point | 303.8±32.9 °C |
GHS Safety & Compliance
CorrosionSignal word: Danger
Frequently Asked Questions
What is the CAS number of Etidronic acid?
2809-21-4
What are the molecular formula and molecular weight of Etidronic acid?
C2H8O7P2, molecular weight 206.028 g/mol
Is Etidronic acid hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026