Items	Specifications
Purity (%)	≥ 99.0%
PH value	10.50-11.50
Water-soluble ( 5% )	Transparent
Fe	≤ 0.001%
Heavy metal(Pb)	≤ 0.002%
Chelate value(CaCO3mg/g)	≥ 215mg/g

Character: EDTA-4Na is a white crystal powder with four crystal water, slightly soluble in organic solvents like alcohol,

Easily soluble in water. When heated, it easily loses crystal water.

 

Assay:  99.0%min.

 

Application:

EDTA-4Na is an important chelant of metal ion. It is used as additive, activator, clean water agent and metal ion masking

Composition for cleanse industry, polyreaction, watertreatment,color photosensitive and paper industry.