Best Quality of HEDP From Kaiteda Chemical

Carboxyl No.: Dicarboxylic Acid Appearance: Liquid Colour: White Transport Package: 270kgs HS Code: 293100 Alkyl No.: Saturated Acid Source: Hydrolysis Trademark: kaiteda Origin: Shandong
roperties of HEDP (2809-21-4):
HEDP (2809-21-4) is an organophosphoric acid Corrosion Inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds. It can dissolve the oxidized materials on these metals' surfaces. HEDP (2809-21-4) shows excellent scale and Corrosion Inhibition effects under temperature 250°C. HEDP (2809-21-4) has good chemical stability under high PH value, hard to be hydrolyzed, and hard to be decomposedunder ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP (2809-21-4) can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP (2809-21-4) has good antiscale and visible threshold effects. When built together with other Water Treatment Chemicals, it shows good synergistic effects.   Specification of HEDP (2809-21-4):

Appearance	Colorless to Light Yellow Transparent Liquid
Active Content (HEDP)%	58.0-62.0
Phosphorous Acid (as PO33-)%	1.0 Max
Phosphoric Acid  (asPO43- )%	0.5 Max
Chloride (as Cl-)%	0.3 Max
PH (1% Solution)	2 Max
Density  (20°C)g/cM3	1.40 Min

   Usage of HEDP (2809-21-4):   1. HEDP (2809-21-4) is used as scale and corrosion inhibition in circulating cool water system, oil field andlow-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. 2. In light woven industry, HEDP (2809-21-4) is used as detergent for metal and nonmetal. 3. In dyeing industry, HEDP (2809-21-4) is used as peroxide stabilizer and dye-fixing agent. 4. In non-cyanide electroplating, HEDP (2809-21-4) 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 (2809-21-4) is used together with polycarboxylic acid.   Package and Storage of HEDP (2809-21-4):
HEDP (2809-21-4): Normally in 250kg net Plastic Drum, IBC Drum can also be used as required. Storage for ten months in shady room  and dry place. 

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Product Categories : Water Treatment Chemicals-KATEDA