EDTA 4NA

Synonym: Ethylene Diamine Tetraacetic Acid Tetra-sodium Salt

Molecular Formula: C10H12N2O8Na4•4H2O          

Molecular Weight: 452.23

CAS No: 13235-36-4

Product Specifications:

 

Test Item	Standard Specification
Appearance	White Crystal Powder
Assay %	≥99.5
Pb%	≤0.001
Fe%	≤0.001
Chloride(Cl-)%	≤0.01
Sulfate(SO42-)%	≤0.05
pH Value (1% aq.solution at25℃)	10.5-11.5
NTA %	≤0.1
Chelate Value (mgCaCO3/g)	≥220

Properties: white crystal powder soluble in water, and chelation with a variety of metal ion.

Application

·          Water-softening agents

·          Catalysts of synthetic rubber

·          Printing and dyeing adjuvant

·          Detergent adjuvant

Package: 25kg/bag

Shelf Life:

Tightly-sealed, stored in a dry and ventilated place, the shelf life is 24 months.