hóa chất 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) CAS No. 2809-21-4 Dequest: 2010 Molecular Formula: C2H8O7P2 Molecular weight:206.02 Specification: items index Appearance Colorless or light yellow transparent liquid Active content（HEDP）％ 58.0-62. Phosphorous acid（as PO33-）% 2.0max Phosphoric acid （as PO43 ）% 0.8max Chloride (as Cl-)% 0.01max pH（1％ solution） 2max Density （20℃）g/cm3 1.40 Fe，mg/L 10max Colour APHA (Hazen) 40max White crystal powder Active content（HEDP）％ 90.0min Phosphorous acid（as PO33-）% 0.5max Phosphoric acid （as PO43 ）% 0.5max Chloride (as Cl-)% 0.01max pH（1％ solution） 2max Density （20℃）g/cm3 1.40 Fe，mg/L 5max Usage: HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. Package and Storage: HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required LH: 0912.635.075, 0934.826.664 Zalo: 0912.635.075, 0934.826.664 Email: vanhong.201089@gmail.com

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