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EDTA*4Na We are professional and leading manufacturer of chelated micronutrient chemicals in China, If you are interested in our products, please contact us by fronboon at gmail dot com or fronboon at yahoo dot cn. Chemical name: EDTA tetrasodium salt; CAS No.: *********1; ******8(Anhydrous) Appearance: Crystal powder Color: White Purity: ≥*9% PH (1% solution): *0.***1.5 Storage: Store in a cool and dry place, avoid sunlight. Applications: EDTA*4Na is an important chelant of metal ion. It is used as additive, activator, clean water agent and metal ion masking composition for cleanse industry, polyreaction, water-treatment, color photosensitive and paper industry. EDTA*2Na Chemical name: EDTA disodium salt; CAS No.: ********6; *******3 (anhydrous) Appearance: Crystal powder Color: White Purity: ≥*9% PH (1% solution): **5 Storage: Store in a cool and dry place, avoid sunlight. Applications: EDTA disodium is applied in detergent, dyeing auxiliary, fiber treatment agent, cosmetic additive, food additive and agricultural micro-fertilizer, as well as in mariculturesoil or other growth media. EDTA Chemical name: Ethylene diamine tetraacetic acid CAS No.: ******4 Appearance: Crystal powder Color: White Purity: ≥*9% PH (1% solution): 2.**3 Storage: Store in a cool and dry place, avoid direct sunlight. Applications: 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.