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Ethylenediaminetetraacetic acid tetrasodium salt(EDTA-4Na)
English name:Ethylene diamine tetraacetic acid tetrasodium salt (EDTA-4NA)
Molecular Fomula: C10H12N2O8Na4•4H2O
Molecular weight: M=452.23
CAS No.: 13254-36-4
Properties: white crystal powder soluble in water, and chelation with a variety of metal ion.

The detailed specifications are as below:
Item of testing  Inspection Standard
Appearance White  crystal power
Assay(EDTA4Na.4H20) 99.0%Min
Heavy metal 0.001% Max
Iron 0.001% Max
Sulfate(SO4) 0..05% Max
Chloride 0.005% Max
PH Value(1%water solution) 10.5-11.5
Chelating Value 215 mgCaCO3/g Max
Bulk density 700-950 g/L
NTA 1.0% Max

Uses: Used as water-softening agents, catalysts of synthetic rubber,printing and dyeing adjuvants,  
detergent adjuvants. 

Packing, Storage and Transportation: 
Solid Products: Packed in paper bags lined with plastic; net-weighted 25kg per bag  or according to customer’s demand. 
Liquid Products: Packed in iron drum lined with plastic; net-weighted 200kg per drum