EDTA 0.02N (0.01M) Solution

Ethylenediaminetetraacetic acid (EDTA) 0.02N (0.01M) is a chelating solution used in complexometric titrations, especially for determination of metal ions such as calcium, magnesium, and other divalent/trivalent cations.

Formula / Strength

Molar mass (disodium EDTA·2H₂O): 372.24 g/mol
0.01M = 3.72 g/L (approx. 3.7 g EDTA disodium salt per litre distilled water)
Normality (N): Since EDTA reacts 1:1 with metal ions, 0.01M = 0.02N in terms of equivalent metal ion binding.

Appearance

Clear, colourless to slightly cloudy solution.

EDTA 0.02N (0.01M) Solution

This item: EDTA 0.02N (0.01M) Solution

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Description

Uses

Standard solution for complexometric titrations (e.g., water hardness, Ca²⁺, Mg²⁺).
Chelating agent in analytical chemistry.
Sometimes used in biochemical buffers for metal ion sequestration.

Safety (SDS – brief)

Low toxicity but may cause mild irritation to skin, eyes, and respiratory tract.
Avoid inhalation and ingestion.
Use gloves, lab coat, and safety glasses.
Store in a well-sealed container at room temperature.

Additional information