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Zaozhuang Jialu Chemical Co.,Ltd.

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China Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP.Na2) CAS No.
China Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP.Na2) CAS No.

  1. China Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP.Na2) CAS No.

Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP.Na2) CAS No.

  1. MOQ: 1000KG
  2. Price:
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Payment Terms L/C, T/T
Delivery Time ONE WEEK
Packaging Details DRUM, IBC
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, T/T Delivery Time ONE WEEK
Packaging Details DRUM, IBC Place of Origin CHINA

Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

(HEDP•Na2)

CAS No. 7414-83-7

Molecular Formula: C2H6O7P2Na2 Molecular weight: 250

Structural Formula:

 

 

Properties:

HEDP•Na2 is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions, and 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.

 

Specification:

Items Index
Appearance Colorless to light yellow transparent liquid White powder
Active content (HEDP) % 16.5 min 74.0-79.0
Active content (HEDP•Na2) % 20.0 min 89.8 min.
Density (20℃)g/cm3 1.12-1.22 --
Fe, mg/L -- 35.0 max
Moisture,% -- 3.0-6.0
PH (1% water solution) 4.0-6.0 4.0-6.0
Phosphorous acid(as PO3 3-)% -- 3 max
 

 

Usage:

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.

 

Package and Storage:

Liquid: 200L plastic drum, IBC(1000L),customers' requirement. Storage for twelve months in shady room and dry place.

Solid: 25kg/bag, customers' requirement. Storage for ten months in shady room and dry place.

 

Safety Protection:

Weak acidity, Avoid contact with eye and skin, once contacted, flush with water. 

 

 

 

 

Company Details

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  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    1998

  • Employee Number:

    50~100

  • Ecer Certification:

    Active Member

  Zaozhuang Jialu Chemical Co., Ltd , found in 1998 and has quickly become one of the leading manufacturers and exporters of Water TreatmentChemicals in China. The current annual capacity of our plant is 40,000MT, covering Organophosphates, Carboxylic Copolymer, Bactericide and algae...   Zaozhuang Jialu Chemical Co., Ltd , found in 1998 and has quickly become one of the leading manufacturers and exporters of Water TreatmentChemicals in China. The current annual capacity of our plant is 40,000MT, covering Organophosphates, Carboxylic Copolymer, Bactericide and algae...

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