Disodium Of 1 Hydroxy Ethylidene Diphosphonic Acid Hedp Na - Chinaprice: contact company for price
CAS No. 29329-71-3
Molecular Formula: C2H7O7P2Na Molecular weight: 228
HEDP•Na is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions. HEDP•Na can dissolve the oxidized materials, it has good scale and corrosion inhibition effects even under 250C, it is stable under high pH value, not easy to be hydrolyzed, not easy to be decomposed under normal light and heat condition, its acid/alkaline and chloride oxidation tolerance are better than that of other organophosph-onic acids. HEDP•Na can form six-ring chelating compounds with metal ions in water system, Ca2+ in particular. HEDP•Na has good scale inhibition effects and obvious dissolution threshold effects. When used with other Water Treatment Chemicals, the synergistic effects is better.
HEDP•Na is suitable for acidic scale inhibitor and detergent, can be used for metal surface treatment. .
Appearance Colorless or yellowish transparent liquid
Active content (HEDP)% 19.0-21.0
Fe，mg/L 20 max
PH (1% water solution) 2.3-2.9
Density (20C) g/cm3 1.11-1.21
HEDP•Na is used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as power plant, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, this product is used as detergent for metal and nonmetal. In dyeing industry, this product is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, this product is used as chelating agent.
When used as scale inhibitor, the dosage 2-20mg/L is preferred, when used as corrosion inhibitor, the dosage 20-100mg/L is preferred, when used as cleaning agent, the dosage 1000-2000mg/L is preferred. Usually, HEDP•Na is used together with polycarboxylic acid .
Package and Storage:
200L plastic drum, IBC(1000L), customers’ requirement. Storage for ten months in shady room and dry place.
Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Disodium Of 1 Hydroxy Ethylidene Diphosphonic Acid Hedp Na
For any questions and needs please contact us below
- 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 10, 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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