Tetrasodium EDTA 4Na

Tetrasodium EDTA introduction

Name: Tetrasodium ethylenediaminetetraacetic acid (EDTA-4Na)

English name: Ethylene diamine tetraacetic acid tetrasodium salt, ethylenediamine tetraacetic acid tetrasodium salt, EDTA-4Na, Tetrasodium EDTA, Ethylene diamine tetraacetic acid tetrasodium

CAS number: 13235-36-4,64-02-8

Molecular formula: C10H12N2O8Na4 4H2O

Molecular weight: M=452.23


Tetrasodium EDTA Specifications

Series No,Item nameSpecs TargetTesting result
1assay %≥99.099.5
2Cl Content 0.01max0.002
3Fe Content 0.001max0.0001
4Pb Content 0.001max/
5PH 1% solution10.5-11.511.02
6Chelating value220min221
7SO4 Content 0.05max0.005
8NTA %1.0max0.2
9AppearanceWhite crystalline powderWhite crystalline powder


Tetrasodium EDTA Application

Tetrasodium EDTA, EDTA-4Na, also known as tetrasodium ethylenediaminetetraacetic acid, is an important chelating agent and metal masking agent, which can be used in textile dyeing, water treatment, color photosensitive, pharmaceutical, daily chemical, papermaking and other industries.
Tetrasodium EDTA can be used as a water softener, synthetic rubber catalyst, acrylic fiber polymerization terminator, printing and dyeing auxiliaries, detergent auxiliaries, etc. It is also used in titration in chemical analysis, it can accurately titrate various metal ions.

Tetrasodium EDTA TDS / MSDS Download