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Key Documents

Safety Information

EX0539

Supelco

EDTA, Disodium Salt, Dihydrate

Synonym(s):

(Ethylenedinitrilo)tetraacetic Acid, (Ethylenedinitrilo)tetraacetic Acid, Disodium Salt, Dihydrate

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About This Item

UNSPSC Code:
41116105

pH

4-5 (20 °C, 50 g/L in H2O)

mp

110 °C (elimination of water of crystallisation)

solubility

100 g/L

storage temp.

room temp

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Appearance:white to almost white, crystalline powder
Assay (complexometric):99.0-101.0%
Heavy metals (as Pb):0.005% max
Identity (IR-spectrum):conforms
Insoluble matter:0.005% max
Iron (Fe):0.001% max
Nitrilotriacetic acid [(HOCOCH2)3 N]:0.1% max
pH (50 g/l; water):4.0-6.0

Pictograms

Health hazardExclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Storage Class Code

10-13 - German Storage Class 10 to 13

Regulatory Information

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