1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) 2809-21-4
Packaging: | in 280kg net drum or as customer\'s request |
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Brand: | hutongglobal |
Place of Origin: | China (Mainland) |
Basic Info
Model No.: HEDP
Product Description
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) 2809-21-4
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CAS NO.: 2809-21-4
Specification:
Item
Standard
Appearance
Clear, Colorless to pale yellow aqueous solution
Active acid (HEDP)
58.0 - 62.0
Phosphorous acid (as PO33-)
≤1.0%
Phosphoric acid (asPO43- )
≤0.6%
Chloride (as Cl-)
≤100ppm
pH value (1% solution)
≤2.0
Fe
≤10.0 mg/L
Colour APHA (Hazen)
≤30
Acetic acid
≤0.5%
Ca Sequestration
≥500 mg CaCO3/g
Uses: It is usualis 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 polycar-
boxylic acid.
Packing: in 280kg net drum or as customer's request
Storage: Storage for ten months in room shady and dry place.
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Product Categories : Chemicals > Water Treatment
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