All Photos(1)
Synonym(s):
(1-Hydroxyethylidene)bisphosphonic acid monohydrate, 1-Hydroxyethylidenediphosphonic acid
Empirical Formula (Hill Notation):
C2H8O7P2 · H2O
CAS Number:
Molecular Weight:
224.04
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
≥95.0% (T)
SMILES string
O.CC(O)(P(O)(O)=O)P(O)(O)=O
InChI
1S/C2H8O7P2.H2O/c1-2(3,10(4,5)6)11(7,8)9;/h3H,1H3,(H2,4,5,6)(H2,7,8,9);1H2
InChI key
KKNZXUHBWLPUFN-UHFFFAOYSA-N
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Related Categories
Application
Etidronic acid monohydrate also known as 1-hydroxyethylidenediphosphonic acid (HEDP) is an organophosphonic acid that can be used to surface functionalize NaY molecular sieves. HEDP/NaY can be used as a catalyst for n-butyl acetate production via esterification.
It can be also employed as a chelating agent in the synthesis of metal-ligand complexes.
It can be also employed as a chelating agent in the synthesis of metal-ligand complexes.
Other Notes
Powerful complexing agent
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 2 - Eye Dam. 1
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Hydrothermal synthesis, structures, and luminescent properties of four new zinc (II) diphosphonate hybrids with mixed ligands
Wang W-N, et al.
CrystEngComm, 13(20), 6099-6106 (2011)
Four novel oxomolybdenum-organodiphosphonate hybrids in the presence of Cu (II)-organonitrogen building blocks: synthesis, crystal structures, and surface photovoltage properties
Sun S-H, et al.
Crystal Growth & Design, 13(1), 226-238 (2012)
Optimization of production conditions of n-butyl acetate over NaY supported organophosphonic acid catalyst using response surface methodology
Chen L, et al.
Journal of the Taiwan Institute of Chemical Engineers, 42(5), 768-774 (2011)
L. Maier
Chimia, 23, 323-323 (1969)
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