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Postion:Product Catalog >API>Fluid, Electrolyte, and Acid-Base Balance>Electrolyte Balance Pharmacology>1-Hydroxyethylidene-1,1-diphosphonic acid
1-Hydroxyethylidene-1,1-diphosphonic acid
  • 1-Hydroxyethylidene-1,1-diphosphonic acid

1-Hydroxyethylidene-1,1-diphosphonic acid

Price $1
Package 200KG
Min. Order: 1KG
Supply Ability: 1000kg
Update Time: 2024-12-23

Product Details

Product Name: 1-Hydroxyethylidene-1,1-diphosphonic acid CAS No.: 2809-21-4
EC-No.: 220-552-8 Min. Order: 1KG
Purity: ≥92.0%; ≥60.0% Supply Ability: 1000kg
Release date: 2024/12/23

Name: 1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP)

CAS: 2809-21-4

Active acid(HEDP): ≥92.0%; ≥60.0%

Appearance: White crystal powder(≥92.0%)

                     Colorless or yellowish transparent liquid(≥60.0%)   

Packing: 25kg/bag for solid

              25kg/drum or 250kg/drum for liquid

Application: Chelating agent; Corrosion inhibitor

Standard: Enterprise export

Manufacturer: Jinan Finer Chemcial Co., Ltd.


Synonyms: HEDP

                  1-Hydroxyethane-1,1-diphosphonic acid

                  1-Hydroxyethylidenedi(phosphonic acid)

                  Dequest 2010

                  Etidronic acid

Molecular Formula: C2H8O7P2

Molecular Weight: 206.03

CAS Registry Number: 2809-21-4

EINECS: 220-552-8

Density: 1.45 (60% aq.)


Properties:

HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals’ surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250℃. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.


The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, it can be used as cleaning agent in electronic fields and as additives in daily chemicals. 


Application:

HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.




Company Profile Introduction

Jinan Finer Chemical Co., Ltd is professional to manufacture and R&D pharmaceutical intermediates, organic intermediates, and fine chemicals. The company is established under the support of Jinan city government, so the company has large advantages in enterprise credit, finance security, product quality control and cargo export. FinerChem locates in national new materials industry park of Jinan city , and is awarded the title of high-tech corporation. The organic intermediates mainly refer to heterocyclics and liquid crystal intermediates. The heterocyclics contains Pyridine series, Pyrazine series, Pyrazole series and Thiazole series. Liquid crystal intermediates contains Boronic acid derivatives, Carbazole derivatives, Fluorene derivatives, and Biphenyl derivatives which are used as OLED intermediates or OPC materials. The pharmaceutical intermediates are mainly used in the field of new medicines of anti-cancr, anti-depression, cardiovascykar, diabetes. Electronic chemicals and water treatment chemicals are the new chemical materials. Electronic chemicals are used in semiconductor and liquid crystal industry. Water treatment chemicals is used in drink water, swimming pool water, industrial circulating water, sewage and other water disinfection treatment. Finerchem has export & import license, and chemical sales license, the products are exported to South Korea, South America, Southeast Asia, Europe and other countries or regions. Under rich experiences and excellent international reputation, Finerchem becomes a quite influential enterprise in China's chemical field. Finerchem sincerely look forward to establishing long good cooperation with our customers from all over the world.

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