Wholesale EDTA EDTA-2Na EDTA-4Na edta-h4 Organic salt disodium edta preservative English Name : Ethylene diamine tetraacetic acid (EDTA) Molecular Fomula : C10H16N2O8 Molecular Weight : M=292.24 CASNo. : 60-00-4
Properties : white crystal powder melting point 240℃(decomposition) insoluble in cold water ,alcohol and general organic solvent, slightly soluble in hot water, but soluble in sodium hydroxide, sodium carbonate and ammonia solution.
Appearance
Colorless, transparent
Heave metal (as Pb)ppm
10max
Purity %
99min
Chloride(as Cl-)%
0.02max
Sulfate(as SO42-)%
0.02max
PH(%5 in water)
4.0-5.0
Application
An agent for complexation, EDTA is mainly used for water treatment, as an additive to detergent, a chemical for photography, paper-making and oil-field. It is also used as detergent for boiler cleaning and reagent in chemical analysis.
1. High molecular chemical industry: EDTA is used as polymetization activator for butyl bezene latex, and polyreaction terminator in acrylic fibre production. 2.Daily chemicals: EDTA is used as additive to detergent, skin cream and hair-conditioner. 3.Paper-making: EDTA is used for treating the steamed fibre. It will promote the whiteness of paper and reduce the incrustation in the steamer. 4.Textile dyeing and printing: EDTA will promote colour ability of the dyestuff and brightness of the dyed fabric.