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H6773

Etidronic acid

60% aqueous solution

Synonym(s):

1-Hydroxyethane-1,1,-diphosphonic acid, 1-Hydroxyethylidenediphosphonic acid, HDEPA, OEDFK

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About This Item

Linear Formula:
CH3C(OH)[PO(OH)2]2
CAS Number:
2809-21-4
Molecular Weight:
206.03
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57654267
EC Number:
220-552-8
Beilstein/REAXYS Number:
1789291
MDL number:
MFCD00070585
Assay:
55.0 -65.0%
Form:
liquid
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Quality Segment

200

assay

55.0 -65.0%

form

liquid

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

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.

pictograms

Corrosion
GHS05

signalword

Danger

Storage Class

8A - Combustible corrosive hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

hcodes

H290,H314

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1

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