7414-83-7

Name : Disodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP.Na2) Cas: 7414-83-7 Product Description  1.Properties and Usage: HEDP•Na2 is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions, it can dissolve the oxidized materials, it has good scale and corrosion inhibition effects even under 250℃, 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•Na2 can form six-ring chelating compounds with metal ions in water system, Ca2+ in particular. HEDP•Na2 has good scale inhibition effects and obvious dissolution threshold effects. When used with other Water Treatment Chemicals, the synergistic effects is better. 
2.Specification:

items	index
Appearance	Colorless to light yellow transparent liquid	White powder
Active content (HEDP)%        ≥	16.5	74.0 - 79.0
Active content (HEDP•Na2)%≥	20.0	89.8
density (20℃)g/cm3	1.12 - 1.22	——
Fe ppm                       ≤	——	35
Phosphorous acid (as PO33-)%	——	3
Dry weight loss %	——	3 - 6
PH (1% water solution)	4.0 - 6.0	4.0 - 6.0

3.Application range&using method
HEDP•Na2 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP•Na2 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na2 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na2 is used as chelating agent. 
4.Package and Storage:
For liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place. For solid: inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in room shady and dry place. . 
5.Safety Protection:
Weak acidity, Avoid contact with eye and skin, once contacted, flush with water.   Packaging & Shipping   Company Information JIANGYIN LANYU CHEMICAL CO., LTD 1. Establishment: Founded in 1993.  2. Main product: New catalysts and Water Treatment Chemical, especially corrosion inhibitor and  phase transfer catalysts (PTC). 3. Location: Headquartered in Jiangyin city, Jiangsu with several production bases. Our factory nears from Shanghai, about 1hour by train. Also there is a air port in our city, you can fly directly to our city. 4. Technology:   Establishes PTC and water treatment angent processing, synthesis and pilot workshops, analysis and application labs, makes long-term exchange and cooperation with scientific research institutions including Zhejiang University, and keeps a leading position in the field of technology.  PEOPLE ORIENTED IN THE BUSINESSPEOPLE FIRST IN THE DEVELOPMENT    TECHNICAL RESERCH AND DEVELOPMENT    ADVANCED EQUPMENTS THE QUALITY GUARANTEE     IOS CERTIFICATION   Our Services About the sample shippment   About the payment   Our Market EXERT OURSELF TO WIN THE MARKET     HEDP•Na2    Disodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid  7414-83-7, HEDP•Na2    Disodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid  7414-83-7,  HEDP•Na2    Disodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid  7414-83-7,  HEDP•Na2    Disodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid  7414-83-7,        

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Product Categories : Organic Phosphonic Acid Salt