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03630

Sigma-Aldrich

Ethylenediaminetetraacetic acid calcium disodium salt hydrate

≥97.0% (calc. based on dry substance, KT)

Synonym(s):

Calcium disodium ethylenediaminetetraacetate hydrate

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About This Item

Linear Formula:
Ca(OOCCH2)2NCH2CH2N(CH2COONa)2 · aq
CAS Number:
23411-34-9
Molecular Weight:
374.27 (anhydrous basis)
EC Number:
200-529-9
MDL number:
MFCD00149453
UNSPSC Code:
12352116
PubChem Substance ID:
329747745
NACRES:
NA.22

Quality Level

200

assay

≥97.0% (calc. based on dry substance, KT)

form

powder

SMILES string

O.[Na+].[Na+].[Ca++].[O-]C(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O

InChI

1S/C10H16N2O8.Ca.2Na.H2O/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;;1H2/q;+2;2*+1;/p-4

InChI key

JHECKPXUCKQCSH-UHFFFAOYSA-J

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General description

Ethylenediaminetetraacetic acid calcium disodium salt hydrate (EDTA-CaNa2) is a chelating agent used in various fields including water treatment and pharmaceutical applications.

pictograms

Exclamation mark
GHS07

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Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Temmei Ito et al.
Biomedical materials (Bristol, England), 10(1), 015025-015025 (2015-03-03)
In order to obtain a hydroxyapatite (HAp)-poly(ethylene glycol) (PEG) composite, tetra amine-terminated PEG was crosslinked using disuccinimidyl tartrate to obtain a PEG hydrogel. Using two kinds of chelators with different stability constants for Ca ion (N-(2-hydroxyethyl) ethylenediamine-N,N',N'-triacetic acid (EDTA-OH, 8.14)

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