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Sigma-Aldrich

Ethylenediaminetetraacetic acid tetrasodium salt hydrate

purum, ≥80% C10H12N2Na4O8 basis

Synonym(s):

Tetrasodium ethylenediaminetetraacetate hydrate

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About This Item

Linear Formula:
(NaO2CCH2)2NCH2CH2N(CH2CO2Na)2·xH2O
CAS Number:
194491-31-1
Molecular Weight:
380.17 (anhydrous basis)
EC Number:
200-573-9
MDL number:
MFCD00150025
UNSPSC Code:
12352100
PubChem Substance ID:
57648228
NACRES:
NA.21

grade

purum

Quality Level

200

assay

≥80% C10H12N2Na4O8 basis

form

solid

impurities

≤15% water (Karl Fischer)

mp

>300 °C (lit.)

anion traces

sulfate (SO42-): ≤0.2%

cation traces

Fe: ≤50 mg/kg

SMILES string

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

InChI

1S/C10H16N2O8.4Na.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;4*+1;/p-4

InChI key

GXFFSKMBMYHTAE-UHFFFAOYSA-J

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - STOT RE 2

target_organs

Respiratory Tract

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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