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Merck
CN

EX0550

EDTA, Tetrasodium Salt

Synonym(s):

EDTA, Tetrasodium Salt, (Ethylenedinitrilo)tetraacetic Acid, Tetrasodium Salt

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About This Item

Linear Formula:
(NaOOCCH2)2NCH2CH2N(CH2COONa)2 · 2H2O
CAS Number:
UNSPSC Code:
41116105
EC Index Number:
200-573-9
MDL number:
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SMILES string

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

InChI

1S/C10H16N2O8.4Na.2H2O/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);;;;;2*1H2/q;4*+1;;/p-4

InChI key

KSYNLCYTMRMCGG-UHFFFAOYSA-J

form

powder or crystals

pH

10.5-11.5 (20 °C, 50 g/L in H2O)

mp

>300 °C (decomposes,anhydrous substance)

transition temp

flash point 350 °C

solubility

1000 g/L

shipped in

ambient

storage temp.

room temp

Quality Level

Analysis Note

Assay (complexometric): 99.0% min
Color: White
Form: Crystals and/or powder
Insoluble matter: 0.005% max

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory Tract

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

新产品
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