Etidronic Acid | HDEPA | C2H8O7P2 - Ereztech
Etidronic acid Synonym: HDEPA, Ethane-1-hydroxy-1,1-diphosphinic acid, 1-Hydroxyethane-1,1,-diphosphonic acid, 1-Hydroxyethylidenediphosphonic acid, HEDP, OEDFKCAS Number 2809-21-4 | MDL Number MFCD00070585 | EC Number 220-552-8Product Etidronic acid has been discontinued.
Download Specification P9215 Contact Us


| Product Code | P9215 |
| CAS Number | 2809-21-4 |
| Assay (purity) | 96% |
| Purity method | by titration |
| Molecular weight | 206.03 |
| Form | liquid |
| Appearance | colorless liquid |
| Titration | %P=16.0-20.0 |
| Titration type | with NaOH |
| Molecular formula | C2H8O7P2 |
| Linear formula | CH3C(OH)[PO(OH)2]2 |
Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Etidronic acid contact us at [email protected]
Safety information
| Signal word | DANGER |
| Pictograms | |
| Hazard statements | H290, H318 |
| Precautionary statements | P234, P280, P305+P351+P338, P310, P390, P404 |
| UN | 3265 |
| Transport description | CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S. (ETIDRONIC ACID) |
| Hazardous class | 8 |
| Packing group | III |
| In TSCA registry | Yes |
Certificates of analysis (CoA)
If you don’t see the needed lot of Etidronic acid below please contact customer support at [email protected]
Lot# 010353
External identifiers for HDEPA
| Pubchem CID | 57654267 |
| SMILES | CC([P](O)(O)=O)([P](O)(O)=O)O |
| IUPAC Name | 4-(6-chloro-4-methylpyrazolo[3,4-d]pyrimidin-1-yl)cyclohexan-1-one |
| InchI Identifier | InChI=1S/C2H8O7P2/c1-2(3,10(4,5)6)11(7,8)9/h3H,1H3,(H2,4,5,6)(H2,7,8,9) |
| InchI Key | DBVJJBKOTRCVKF-UHFFFAOYSA-N |
With Etidronic acid other customers often ask:
- Tris(pentafluorophenyl)phospine
- Diphenylphosphinic chloride
- Triphenylphosphine hydrobromide
- Diethyl chlorophosphite
Ereztech synthesizes and sells additional P-compounds.
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