从China供应商批量进口1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(Hedp)

Zaozhuang Xintai Water-Treatment Co., Ltd. supplies 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP), an organophosphoric acid corrosion inhibitor with the CAS number 2809-21-4. This chemical chelates with iron, copper, and zinc ions to form stable compounds, effectively dissolving oxidised materials on metal surfaces. It maintains excellent scale and corrosion inhibition performance at temperatures up to 250°C and demonstrates strong chemical stability under high pH conditions, resisting hydrolysis and decomposition under standard light and heat.

The product is available as a colourless to light yellow transparent liquid with 58-62% active content, or as a white crystal powder with a minimum of 89% active content. The liquid form has a density of 1.40 g/cm³ at 20°C. HEDP forms a hexa-element chelating complex with metal ions, particularly calcium, providing effective antiscale and threshold effects. It works synergistically with other water treatment chemicals, such as polycarboxylic acids. The solid crystal powder form is suited for use in cold climates. Typical applications include scale and corrosion inhibition in circulating cooling water systems, oil fields, and low-pressure boilers across the power, chemical, metallurgy, and fertiliser industries. It also functions as a detergent in light weaving, a peroxide stabiliser and dye-fixing agent in dyeing, and a chelating agent in non-cyanide electroplating. Recommended dosages range from 1-10 mg/L as a scale inhibitor, 10-50 mg/L as a corrosion inhibitor, and 1000-2000 mg/L as a detergent. Packaging options include 250 kg plastic drums for the liquid and 25 kg bags for the solid. Storage stability is ten months in a dry, shaded area at room temperature.

Zaozhuang Xintai Water-Treatment Co., Ltd. is a supplier of water treatment chemicals based in the Zhongtai Chemical Industry Park, Shizhong District, Zaozhuang City, Shandong Province, China. The company's product focus includes scale and corrosion inhibitors like HEDP for industrial water treatment applications.

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