EDTA Disodium



 

Application:

It can be used as bleaching fixer and dyeing auxilicarices in processing of colorful sensitive materials, fiber processing reagent, coagulant, complexing agent, detergent stabilizer, heavy metal quantitive analytical reagent of polymerization initiator in synthetic rubber. In the initiation system, EDTA-2Na is mainly used to complexing ferric ion to regulate the rate of polyreaction as a component of activator.

Specification:

Appearance: EDTA-2Na is a dry white crystalline powder with 2 crystal water and easily lose crystal water when heating. It is insoluble in organic liquid like ethanol, ether, etc.

 

 ITEM OF TEST  STANDARD
 Assay  99% min
 PH (10G/L, 25°C)  4.3-4.7
 Chloride  0.01% max
 Heavy metal  10 mg/kg max
 As  1.5 mg/kg max             

Packing: 20kg/bag

Storage: Kept in a light-proof, dry and cool place.