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 name	Specs Target	Testing result
1	assay ％	≥99.0	99.5
2	Cl Content ％	0.01max	0.002
3	Fe Content ％	0.001max	0.0001
4	Pb Content ％	0.001max	/
5	PH 1% solution	10.5-11.5	11.02
6	Chelating value	220min	221
7	SO4 Content ％	0.05max	0.005
8	NTA %	1.0max	0.2
9	Appearance	White crystalline powder	White 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.