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HEDP stands for Hydroxyethylidene Diphosphonic acid which is an organophosphoric acid corrosion inhibitor. It can easily chelate with zinc, iron & copper ions to form table compounds. Under 250 degree celsius it can show excellent corrosion inhibition. It has good isible threshold effects. It is used in water treatment, cosmetics, detergents and pharmaceuticals.

Synonyms: HEDP; HEDP(A); HEDPA; Etidronic Acid; 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid; Hydroxyethylidene-1,1-diphosphonicacid(HEDP); 1-Hydroxyethylidenediphosphonic Acid; Hydroxyethylidene Diphosphonic acid(HEDP); 1-Hydroxy-1,1-Ethanediyl ester; Oxyethylidenediphosphonic Acid(OEDP)


  • Chemical Name: 1-Hydroxyethylidene-1,1-diphosphonic acid
  • Molecular Formula: C2H8O7P2
  • Formula Weight: 206.03
  • Melting Point: 198~199℃
  • Density: 1.45 (60% aq.)
  • Stability: Stable but incompatible with strong oxidizing agents
We are offering HEDP (1-Hydroxyethylidene-1, 1-Diphosphonic Acid) that is available in various packaging options as per the requirements of the clients. The offered acid is used in pharmaceutical industry. This acid is formulated under the most favorable conditions by making use of the finest quality chemical compounds. Owing to its unique features like longer shelf life, accurate composition and effectiveness, this HEDP is highly appreciated by our clients.
We are providing excellent quality HEDP 100 that is known for its accurate composition, enhanced shelf life and effectiveness. This acid is processed under the supervision of our experts by making use of premium quality chemical compounds and is used as a metal chelate in textile industry for color fixing. Available in safe packaging options, our offered HEDP 100 is sternly examined on several parameters prior to dispatch at the clients? end.
Our offered HEDP 175 is processed under the supervision of our dexterous professionals by utilizing premium quality chemical compounds. The offered acid finds its extensive usage in metallurgical, pharmaceutical, textile and many other industries. Known for its accurate composition, enhanced shelf life and effectiveness, the provided HEDP 175 can be availed by our clients in air tight packets at reasonable prices.
The offered HEDP Na4 is processed at our hi-tech processing unit by utilizing quality tested chemical compounds under the supervision of our experienced professionals. Available in several packaging options, this acid is appreciated for its precise composition, enhanced shelf life and non-toxic nature. Our provided HEDP Na4 mainly used in detergents, deflocculating agent in cooling, chelating (sequestrating) and boiler water treatment.
Processed by utilizing supreme quality chemical compounds, this HEDP Na2 is also known as an organo-phosphonic acid corrosion inhibitor. Owing to its high effectiveness and long shelf life, this acid is highly appreciated among the clients all across the world. Used in several industries such as chemical and petrochemical, our provided HEDP Na2 is sternly tested on several parameters by our quality auditors.
The goodwill, we have achieved in this industry is due to our HEDP Na. Our provided acid is used as corrosion inhibitors in several machines and equipments. The acid provided by us is accurately processed under the proper guidance of our experts using high grade chemical compounds and contemporary techniques. Furthermore, clients can avail the offered HEDP Na from us at marginal rates.
Our respected patrons can avail an effective HEDP 50% that is processed by utilizing quality tested chemical compounds and advanced processing methods. The offered acid is used in detergents, antiscalant formulations for oilfields, reverse osmosis and sugar processing. Besides, the provided HEDP 50% is tested on numerous parameters by our quality experts and is offered at industry leading prices to the clients.
This HEDP 60% is processed under the utmost suitable environment using excellent grade chemical compounds and sophisticated methodology. Known in the market as a chelating and sequestering agent, this acid is used in the processing of soaps, detergents and sugar. In addition, our esteemed clients can easily avail this HEDP 60% in different packaging options as per their needs at industry leading prices.
The offered HEDP 600 is hygienically processed at our advanced processing unit by utilizing quality approved chemical compounds in sync with set industry norms. The offered acid is used in several industries such as petrochemical, cosmetic, agriculture and chemical. Highly applauded for its accurate composition and long shelf life, the offered HEDP 600 can be purchased by our prestigious clients? at the most economic rates.
Owing to its features like precise pH value, high temperature stability and eco-friendliness, this HEDP Kx is used as sequestrant, scale inhibitor, deflocculant and water stabilizer in cooling water systems. Precisely processed using supreme quality chemical compounds and pioneering techniques, our provided HEDP Kx is rigorously tested on several parameters by our quality auditors prior to dispatch at the clients? end.

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