HEDP Disodium Salt

HEDP Disodium Salt

50.00 - 500.00 INR/Kilograms

Product Details:


Price And Quantity

  • 25 Kilograms
  • 50.00 - 500.00 INR/Kilograms

Trade Information

  • 3 Kilograms Per Day
  • 3 Days

Product Description

HEDP is a sequestering, anti-scaling, and phosphonic acid chelating agent that has a hydrolytic stability. HEDP Disodium Salt is manufactured from acetic anhydride and phosphorus Trichloride or phosphorus acid. If phosphorus trichloride is used, then it is first converted into the phosphorus acid within the reaction vessel and only then reacts with the other essential raw material- acetic anhydride. Also called 1-Hydroxyethylidene-1,1- Diphosphonic Acid, Disodium Salt, the HEDP Disodium Salt in white powder form has a molecular formula of C2H6O7P2Na2, molecular weight of 250.0, and pH of 4.5 To 6.5. It is mostly packed in HDPE bags. It has many uses in chemical industry, electric power industry, metallurgy industry, light woven industry and dyeing industry.

Product Details:

Appearance:- White Fine Powder
pH:- 4.5" 5.5
Molecular Formulae:- C2H6O7P2Na2
Molecular Weight:- 250
Chelation Value:- 270
Active Acid Content %:- 34%
Active Salt Content %:- 95%


HEDP Na2 is a popular EDTA substitute. HEDP Na2 with Chelation value 270 is a substitute for EDTA Disodium Powder.


Multifunctional and cost effective performance makes it an excellent replacement to other sequestrants e.g EDTA, DTPA, NTA.

It is used as a strong chelating agent for metal ions like Ca, Mg & Fe in water treatment, textile application, boiler descaling, metal pre-treatment, detergents.


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