Hedp Water Treatment Chemicals - Chinaprice: contact company for price
Molecular Formula: C2H8O7P2 Molecular weight: 206.02 Properties: HEDP
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 shows excellent
scale and corrosion inhibition effects under temperature 250℃.
HEDP has good chemical stability under high pH value, hard to be
hydrolyzed, and hard to be decomposed under ordinary light and heat
conditions. Its acid/alkali and chlorine oxidation tolerance are better
than that of other organophosphoric acids (salt). HEDP can react with
metal ions in water system to form hexa-element chelating complex, with
calcium ion in particular. Therefore, HEDP has good antiscale and
visible threshold effects. When built together with other water
treatment chemicals, it shows good synergistic effects. The solid state
of HEDP is crystal powder, suitable for usage in winter and freezing
districts. Because of its high purity, it can be used as cleaning agent
in electronic fields and as additives in daily chemicals.
Specification: items index Appearance Clear, Colorless to pale yellow
aqueous solution White crystal powder Active content (HEDP)% 58.0-62.0
90.0min Phosphorous acid (as PO33-)% 1.0 max 0.8 max Phosphoric acid
(asPO43- )% 0.6 max 0.5 max Chloride (as Cl-) ppm 100.0 max 100.0max pH
(1% solution) 2.0 max 2.0 max Density (20℃)g/cm3 1.43-1.47 -
Fe，mg/L 10.0 max 5.0 max Colour APHA (Hazen) 30.0 max - Acetic
acid % 0.5 max Ca sequestration (mg CaCO3/g) 500.0 min 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. 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. Package and Storage: HEDP liquid:
200L plastic drum, IBC(1000L), customers’ requirement. HEDP solid:
25kg/bag, customers’ requirement. Storage for ten months in room shady
and dry place. Safety Protection: Acidity, Avoid contact with eye and
skin, once contacted, flush with water. Synonyms:
HEDP;HEDP(A);HEDPA;ETIDRONIC ACID;1-Hydroxy Ethylidene-1, 1-Diphosphonic
Acid; Hydroxyethylidene-1, 1-diphosphonicacid(HEDP); 1-
HYDROXYETHYLIDENEDIPHOSPHONIC ACID;Hydroxyethylidene Diphosphonic acid(HEDP);1-hydroxy-1, 1-
Hedp Water Treatment Chemicals
Feel free to contact us with all your questions
- Posted By: Zaozhuang Youbang Chemicals Co,. Ltd.
- Phone: 86-632-5796776
- Address: Zhongtian Road, Shizhong district, Zaozhuang city,, Zaozhuang, China
- Website: http://www.youbangchem.net
Published date: September 7, 2012 -
- Business Description: Youbang Chemicals Co., Ltd. ( YBC), founded in 1999, is one of the largest Chinese manufacturers of polymers, biocides, phosphonates and other water treatment chemicals.
YBC has acquired its Certification for ISO9001 Quality Management System (QMS), Certification for ISO9001 14001 Environmental Management System (EMS) and Certification for OHSAS 18001 Occupational Health and Safety Assessment Series.
YBC has also been granted network access license for water treatment chemicals for electric power systems and SINOPEC.
YBC boasts of stable product quality, reliable product performance, complete product line of water treatment chemicals, customized products, rapid response, timely delivery and perfect post sales service. With a total staff number of 300, an annual capacity of 50,000 MT and an annual turnover of $65 Million, YBC provides its products through reliable agencies and distributors worldwide.
YBC is dedicated to manufacture of high quality water treatment chemicals for extensive applications in numerous fields of industrial water treatment, including but not limited to: oilfields, boilers, cooling towers, geothermal power plants, and reverse osmosis systems, etc.
YBC is always committed to R&D and innovation. YBC s pilot and bench test facilities allow for various performance evaluation tests on a basis of customized formulations.
YBC, your professional supplier and partner of water treatment chemicals in China.
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