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Hebei Jinhong Chemicals Co., Ltd.

HEDP. Na4, Water Treatment Chemicals, Corrosion Inhibitor manufacturer / supplier in China, offering Tetra Sodium Salt of 1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid (HEDP. Na4), Sealants (on line leak sealing), Hydrolyzed Polymaleic Anhydride, HPMA and so on.

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Supplier Homepage Product ORGANOPHOSPHORIC SALTS HEDP salts Tetra Sodium Salt of 1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid (HEDP. Na4)

Tetra Sodium Salt of 1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid (HEDP. Na4)

FOB Price: US $300-1,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $300-1,000/ Ton
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Production Capacity: 50000mt/Year
Transport Package: 200kgs or 250kgs Per Drum; IBC; Customization
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Acid-Base Property: Neutral Surface Disposal Agent
  • Color: Colorless or Light Yellow Transparent Liquid
  • Type: Industrial Circulating Water Treatment Agent
  • pH Value: 10-12
  • Usage 1: Peroxide Stabilizer
  • Usage 3: Chelating Agent
  • Specification: 30%
  • Environmental Protection: Yes
  • Appearance: Liquid
  • Fe, Mg/L: 20.0max
  • Usage: Circulating Cool Water System
  • Usage 2: Corrosion Inhibitor
  • Trademark: jinhong
  • Origin: China
Product Description

Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na4)

CAS No. 29329-71-3 (x-Na), 3794-83-0 (4-Na) Synonyms: Tetrasodium etidronate 
Molecular Formula: C2H4O7P2NaMolecular weight: 294 
 

Properties:

HEDP•Na4 is the sodium salt of HEDPHEDP•Na4 is an good scale inhibitor for calcium carbonate, it can be used in low pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool. 
The solid HEDP•Na4 is white powder, soluble in water, easily deliquescence, suitable for use in winter and freezing districts. It is a kind of organophorphonic acid scale and corrosion inhibitor, can form stable complex with Fe, Cu and Zn ions, it can dissolve the oxides on metal surface, it has good scale and corrosion inhibition effect under 250ºC.
HEDP•Na4 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•Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na4 is used as chelating agent. 
 

Specification:

ItemsIndex
AppearanceColorless to yellowish transparent liquidWhite powder
Active content (HEDP)%20.3-21.760.0 min
Active content (HEDP•Na4)%29.0-31.085.0 min
Total phosphoric acid (as PO43-) %18.4-20.455.0 min
Fe, mg/L 20.0 max35.0 max
Moisture,--9.0 max
Density (20ºC)g/cm31.26-1.36--
PH (1% water solution)10.0-12.011.0-12.0 

Package and Storage:

Liquid: 200L plastic drum, IBC(1000L), customers' requirement.
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. 
 

Synonyms:

Tetrasodium (1-hydroxyethylidene)bisphosphonate
Keywords: HEDP·Na4 China,Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
Related Products: 
Potassium salt of 1-HydroxyEthylidene-1,1-Diphosphonic Acid (HEDP•Kx)
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
 
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