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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
Linear Formula:
Ca(OOCCH2)2NCH2CH2N(CH2COONa)2 · aq
CAS Number:
Molecular Weight:
374.27 (anhydrous basis)
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

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

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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Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

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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