Henan GP Chemicals Co.,Ltd is one of the leading 1-hydroxyethylidene-1,1-diphosphonic acid suppliers and also a professional such manufacturer in China, welcome to buy bulk 1-hydroxyethylidene-1,1-diphosphonic acid from our factory.
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|Product name||1-Hydroxy Ethylidene-1;1-Diphosphonic Acid;HEDP|
|UN No.||3265 8/PG 2|
|Specifications||Appearance||Colorless or light yellow transparent liquid|
|Active content (HEDP) %||60.0 min|
|Phosphorous acid (as PO33-)%||2.0 max|
|Phosphoric acid (as PO43-)%||0.8 max|
|Chloride (as Cl-) %||0.01 max|
|pH (1% solution)||2 max|
|Density (20℃) g/cm3||1.44|
|Iron (as Fe) ppm||35 max|
|Colour APHA (Hazen)||40 max|
|Use / Application||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. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.
|Packing||In 250kg drum,20FCL=20mt|