E4884

Sigma-Aldrich

 

Ethylenediaminetetraacetic acid disodium salt dihydrate

ACS reagent, 99.0-101.0%

Synonym:Disodium ethylenediaminetetraacetate dihydrate, Edathamil, Edetate disodium salt dihydrate, EDTA disodium salt, Sequestrene Na2
CAS Number:6381-92-6
Linear Formula:C10H14N2Na2O8 · 2H2O
Molecular Weight:372.24
Beilstein Registry Number:3900609
EC Number:205-358-3
MDL number:MFCD00150037
PubChem Substance ID:24894586

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Description

ApplicationChelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.

Properties

gradeACS reagent
assay99.0-101.0%
total impurities≤0.005% Insoluble matter
 ≤0.1% Nitrilotriacetic acid ([HOCOCH2]3N)
pH4.0-6.0 (25 °C, 5%)
mp248 °C (dec.)(lit.)
cation tracesFe: ≤0.01%
 heavy metals (as Pb): ≤0.005%

Safety

Personal Protective EquipmentEyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK Germany2
RTECSAH4410000

References

BeilsteinBeil. 4,IV,2451
referenceCorp MSDS 1 (1), 1606:D / FT-IR 2 (1), 902:B / FT-IR 1 (1), 567:B / IR-Spectra (2), 303:G / IR-Spectra (3), 340:D / RegBook 1 (1), 647:I / Sigma FT-IR 1 (2), 549:B / Structure Index 1, 94:A:8