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Sigma-Aldrich

N-(2-Hydroxyethyl)ethylenediaminetriacetic acid trisodium salt hydrate

99%

Synonym(s):

Trisodium HEDTA hydrate

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About This Item

Linear Formula:
HOCH2CH2N(CH2CO2Na)CH2CH2N(CH2CO2Na)2 · xH2O
CAS Number:
Molecular Weight:
344.20 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

99%

form

solid

mp

288 °C (dec.) (lit.)

SMILES string

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

InChI

1S/C10H18N2O7.3Na.H2O/c13-4-3-11(5-8(14)15)1-2-12(6-9(16)17)7-10(18)19;;;;/h13H,1-7H2,(H,14,15)(H,16,17)(H,18,19);;;;1H2/q;3*+1;/p-3

InChI key

FHGJYTNPLCNRLG-UHFFFAOYSA-K

Application

N-(2-Hydroxyethyl)ethylenediaminetriacetic acid trisodium salt hydrate can be used as a complexing agent in combination with thiourea and its derivatives to enhance the deposition rate of electroless copper plating solutions.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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The acceleration of nonformaldehyde electroless copper plating
Li J and Kohl PA
Journal of the Electrochemical Society, 149(12), C631-C636 (2002)

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