ChemicalBook--->CAS DataBase List--->25211-86-3

25211-86-3

25211-86-3 Structure

25211-86-3 Structure
IdentificationBack Directory
[Name]

Etidronic acid monohydrate
[CAS]

25211-86-3
[Synonyms]

EtidronicAcidMonohydrate
Etidronic acid 1-hydrate
Etidronic Acid Monohydrate (1268604)
Etidronic acid Monohydrate >=95.0% (T)
11-Hydroxyethane-1,1-diphosphonic acid
(1-hydroxy-1-phosphonoethyl)phosphonicacid,hydrate
(1-Hydroxyethane-1,1-diyl)bis(phosphonic acid) hydrate
[EINECS(EC#)]

629-385-9
[Molecular Formula]

C2H8O7P2.H2O
[MDL Number]

MFCD10567440
[MOL File]

25211-86-3.mol
[Molecular Weight]

224.041
Chemical PropertiesBack Directory
[storage temp. ]

2-8°C
[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
[InChIKey]

KKNZXUHBWLPUFN-UHFFFAOYSA-N
[SMILES]

O.CC(O)(P(O)(O)=O)P(O)(O)=O
Safety DataBack Directory
[Symbol(GHS) ]


GHS05,GHS09
[Signal word ]

Danger
[Hazard statements ]

H318-H411
[Precautionary statements ]

P280-P305+P351+P338+P310
[Hazard Codes ]

Xn,Xi
[Risk Statements ]

22-37/38-41
[Safety Statements ]

26-39-36
[RIDADR ]

UN 3082 9 / PGIII
[WGK Germany ]

2
[RTECS ]

SZ8562100
[HS Code ]

2931399000
[Storage Class]

11 - Combustible Solids
[Hazard Classifications]

Aquatic Chronic 2
Eye Dam. 1
Hazard InformationBack Directory
[Uses]

A powerful complexing agent.
[Uses]

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.
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