EDTA-4Na

Properties: White powder. Soluble in water, the pH value of 1% solution is about 11.8, which is not soluble in alcohol, benzene and chloroform.

Usage: Used as a water softener, activator sequestering agent, color photosensitive materials processing bleaching fixer, styrene butadiene rubber.

Items                                         Index

appearance                      white crystalline power

content (452.2)%                       ≥98.0

chloride(Cl)％             ≤0.01

sulfate （SO4）%                     ≤0.05                         

heavy metal(Pb)％           ≤0.001

iron(Fe)％                 ≤0.001

chelate  MgCaCo3/g                     ≥220

PH                                          10.5-11.5

NTA%                                        ≤1.0

bulk density kg/m3                    700-950

Packing: 25kg plastic woven bag lined with polyethylene liner or the packing made accordingly.

Storage Conditions：It should be stored in a ventilated and dry warehouse. The storage period is ten months.