Profile: Changzhou Shanfeng Chemical Industry Co., Ltd specializes in the manufacture of vinyl amine. Our products are EDTA, EDTA-2Na, EDTA-4Na, EDTA-FeNa, EDTA-CaNa2, EDTA-ZnNa2, EDTA-CuNa2, EDTA-MnNa2, EDTA-MgNa2, EDTA-4Na.2H2O, EDTA-4Na.4H2O, AEEA, DMP-30, T31 epoxy resin curing agent, ethylene urea, 1-(2-hydroxyethyl)-2-imidazolidinone and imidazoline amphoteric surfactant. Ethylene diamine tetraacetic acid (EDTA) is a white crystal powder, insoluble in common organic solvents. This is soluble in boiling water 160 times as much and in alkali solvents like sodium hydroxide. It shows the tendency to depart from carboxyl at 150°C. The edta is mainly used for water treatment, as an additive to detergent, a chemical for photography, paper-making and in oil-field. It is also used as a detergent for boiler cleaning and as a reagent in chemical analysis. The EDTA is used as a polymetization activator for butyl bezene latex, and as a polyreaction terminator in acrylic fiber production. This is also used as an additive to detergent, skin cream and hair-conditioner. EDTA-2Na salt is a white powder with two crystal waters. This is soluble in water and insoluble in organic solvents like alcohol or ethyl ether. The EDTA-2Na is used in detergent, liquid soap, shampoo, agricultural chemicals, fixer solution for the development of color film, water cleaner, and pH modifier. Amino ethyl ethanol amine (AEEA) is a colorless viscous liquid with a light smell of ammonia, soluble in water and slightly soluble in ether. It can absorb carbon dioxide in the air. It can prevent copper-nickel alloy from browning. It is also used as an antiseptic agent and sludge dispersant.