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ED3SS

Sigma-Aldrich

Ethylenediaminetetraacetic acid trisodium salt hydrate

≥95%

Synonym(s):
(Ethylenedinitrilo)tetraacetic acid trisodium salt hydrate, EDTA trisodium salt hydrate, Edathamil hydrate
Empirical Formula (Hill Notation):
C10H13N2Na3O8 · xH2O
CAS Number:
Molecular Weight:
358.19 (anhydrous basis)
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.77

Quality Level

biological source

synthetic (organic)

assay

≥95%

form

powder

mp

300 °C

solubility

1 M NaOH: soluble, clear, colorless to light yellow

storage temp.

room temp

SMILES string

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

InChI

1S/C10H16N2O8.3Na.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;3*+1;/p-3

InChI key

KKTNQJMZBPLVKM-UHFFFAOYSA-K

Related Categories

Packaging

1 kg in poly bottle
100, 500 g in poly bottle

Application

Used to eliminate enzyme inhibition by traces of heavy metals, and to inhibit enzymes that require divalent cations as cofactors.

Other Notes

This is a physical blend of the disodium and tetrasodium salts of EDTA.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

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

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Certificate of Origin

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