Manufacturer Supply High Quality Water Treatment Chemical CAS No 2809-21-4 Etidronic Acid HEDP 60% Liquid

• CAS No.: 2809-21-4
• Formula: C2h8o7p2
• EINECS: 220-552-8
• Acid-Base Property: Acidic Surface Disposal Agent
• Certification: ISO
• Environmental Protection: Yes
• Model NO.: FJL-HEDP-1
• Color: Clear Colorless to Pale Tan Liquid
• Appearance: Liquid
• Type: Industrial Circulating Water Treatment Agent
• Product Name: HEDP 60%
• Grade Standard: Industrial Grade
• Sample: Available
• Use: Water Treatment
• Transport Package: Plastic Drum, IBC
• Specification: 60% MIN
• Trademark: FJL
• Origin: China
• Production Capacity: 3000ton/Month

Product Description

 

     Manufacturer supply High Quality Water Treatment Chemical CAS No 2809-21-4  Etidronic Acid HEDP 60% liquid

Product Description

 

  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. It shows excellent scale and corrosion inhibition effects under temperature 250ºC.

        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, it has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.

        Solid HEDP is crystal powder, suitable for usage in winter and freezing districts. Due to its high purity, it can be used as cleaning agent in electronic fields and as additives in daily chemicals.

Describe:
Name: Liquid 1-Hydroxy Ethylidene-1 1-Diphosphonic Acid Corrosion Inhibitor/ HEDP
CAS: 2809-21-4
Chemical formula:C2H8O7P2
Appearance:Clear colorless to pale tan liquid

Hydroxyethylenediphosphonic acid (HEDP) is a new type of chlorine-free electroplating complexing agent, which is used as the main agent for water quality stability in circulating cooling water system and plays the role of corrosion inhibition and scale inhibition.

Features: 

1 New type, high quality and high efficiency iron salt inorganic polymer flocculant;

2. Excellent coagulation performance, dense alum and fast settlement speed;

3. Excellent water purification effect, good water quality, no harmful substances such as aluminum, chlorine and heavy metal ions, and no water phase transfer of iron ions, non-toxic, harmless, safe and reliable;

4. Significant effects of turbidity removal, decolorization, deoiling, dehydration, sterilization, deodorization, algae removal, COD, BOD and heavy metal ions in water;

5. Adapt to the wide range of pH value of water body, 4-11, and the optimal range of pH value is 6-9. After purification, the variation range of pH value and total alkalinity of raw water is small, and the corrosion to treatment equipment is small; The purification effect of micro polluted, algae containing, low temperature and low turbidity raw water is remarkable, especially for high turbidity raw water;

6. Liquid polymerized ferric sulfate is easy to add, without secondary dissolution, less dosage, low cost, and the treatment cost can be saved by 20% - 50%.

 

Detailed Photos

 

 

Polyferric sulfate

           

Technical Index

TECHNICAL SPECIFICATION

HEDP

Items	Index
Appearance	Clear, Colorless to pale yellow aqueous solution	White crystal powder
Active content (HEDP) %	58.0-62.0	90.0min
Phosphorous acid (as PO3^3- ) %	1.0 max	0.8 max
Phosphoric acid (as PO4^3-  ) %	0.6 max	0.5 max
Chloride (as Cl^- ) ppm	100.0 max	100.0max
pH (1% solution)	2.0 max	2.0 max
Density (20ºC) g/cm^3	1.43-1.47	-
Fe, mg/L	10.0 max	5.0 max
Colour APHA (Hazen)	30.0 max	-
Acetic acid %	0.5 max
Ca sequestration (mg CaCO3/g )	500.0 min

 

 

Application

HEDP is used as scale and corrosion inhibition, often build with polycarboxylic acid, 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, it is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, it is used as chelating agent.

 

Packaging & Shipping

 

Package and Storage:
 

Liquid: 200L plastic drum, IBC(1000L), customers' requirement.
Solid: 25kg/bag, customers' requirement.

Storage for ten months in room shady and dry place.

Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water. 

 

 

 

 

Company Profile

Qingdao Fangjinlong Technology Development Co.,Ltd is located in Qingdao City, Shangdong Province . Established in 2010 and honored every day since.

Fangjilong 's mission is  providing unparalleled quality and service in every aspect of our operations, As a chemical expert and supplier, the company has invested 2 chemical plants and it relies on the research and development of technology of the Environmental Science and Engineering of Ocean university of China .

The main products are including water treatment chemicals ,Mining chemicals,industrial chemicals and some special use chemicals . Fangjinlong undertakes and provides support for market-driven research,strives for commercialization of the technologies to benefit the industry and the society at large, as well as  to promote the economic growth and sustainability of the earth.  begin your partnership with Fangjinlong , please contact us.
 

 

 

FAQ

1.What kind of payment term do you support ?
T/T 30% in advance, 70% before delivery,we will take and show you every process details.

2.What's your terms of delivery?
EXW, FOB, CIF etc 

3.How long will your production take ?
Normally 5-7days finish production, then delivery.

4.if u support to sample test?
Sure, we would love to offer you free sample for testing. You only need to pay the shipping fee ok. 

5.How to choose the most suitable products?
Based on your industry, also your requirements, we will recommend ones for you.

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