H6773

Etidronic acid

60% aqueous solution

• Synonym(s): 1-Hydroxyethane-1,1,-diphosphonic acid, 1-Hydroxyethylidenediphosphonic acid, HDEPA, OEDFK
• Linear Formula: CH₃C(OH)[PO(OH)₂]₂
• CAS Number: 2809-21-4
• Molecular Weight: 206.03
• Beilstein/REAXYS Number: 1789291
• EC Number: 220-552-8
• MDL number: MFCD00070585
• UNSPSC Code: 12352100
• PubChem Substance ID: 57654267
• NACRES: NA.22

Properties

• suitability: suitable for photographic applications
• SMILES string: CC(O)(P(O)(O)=O)P(O)(O)=O
• 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

Description

Application

Etidronic acid (HEBP) can be employed as a catalyst for the synthesis of:

• 5-Nitro-3,4-dihydropyrimidin-2(1H)-ones through the reaction between 1-(2-hydroxyphenyl)-2-nitroethanone, aryl aldehydes and urea via one-pot cyclo condensation reaction.
• Thiiranes from epoxides and ammonium thiocyanate.

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H290,H318
• pcodes: P234 - P280 - P305 + P351 + P338 - P390
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter