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USA - 141 visiting from 134 USA 3 Brazil 2 Belgium 1 Singapore 1 UK
Supply Hedp And All Kinds Of The Water Treatment Chemicals
Posted at: Offers to Sell and Export | Posted on: Tuesday 9 October 2007 11:58 pm | Poster last visit: Monday 5 January 2009 |
Product Description:
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
CAS No. 2809-21-4
Dequest:2010
Molecular Formula: C2H8O7P2 Molecular weight: 206.02
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.
Specification:
Appearance Colorless or light yellow transparent liquid White crystal powder
Active content（HEDP）％ 58.0-62.0 89.0 min
Phosphorous acid（as PO33-）% 2.0 max 0.5 max
Phosphoric acid （asPO43- ）% 0.8 max 0.5 max
Chloride (as Cl-)% 0.01 max 0.01 max
pH（1％ solution） 2 max 2 max
Density （20℃）g/cm3 1.40 ------
Fe ion ppm 10 max 20 max
Colour APHA (Hazen) 40 max -----
Usage:
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.
Package and Storage:
HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
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 Contact:
Contact Name: Mr. Tony Hu,
Company Name: Shandong Taihe Water Treatment Co., Ltd
Email:
Tel: 0086-632-5113066
Fax: 0086-632-3460156
Street Address: Xiwangzhuang Town,
Shizhong District, Zaozhuang City,
Shandong Province, China
Website: http://www.thwater.com
Member name: taihe001
Country:
China
Member Since: 09 October 2007
Total Leads: 14 taihe001 Import Export Business Leads
Business focus: Water Treatment Chemicals, Hedp, Atmp, Amps, Paa, Paas, Edtmps, Anticale Agent, Corrosion Inhibitor
Chat:
Verify: Safe Import Export Tips
CAS No. 2809-21-4
Dequest:2010
Molecular Formula: C2H8O7P2 Molecular weight: 206.02
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.
Specification:
Appearance Colorless or light yellow transparent liquid White crystal powder
Active content（HEDP）％ 58.0-62.0 89.0 min
Phosphorous acid（as PO33-）% 2.0 max 0.5 max
Phosphoric acid （asPO43- ）% 0.8 max 0.5 max
Chloride (as Cl-)% 0.01 max 0.01 max
pH（1％ solution） 2 max 2 max
Density （20℃）g/cm3 1.40 ------
Fe ion ppm 10 max 20 max
Colour APHA (Hazen) 40 max -----
Usage:
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.
Package and Storage:
HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
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 Contact:
Contact Name: Mr. Tony Hu,
Company Name: Shandong Taihe Water Treatment Co., Ltd
Email:
Tel: 0086-632-5113066
Fax: 0086-632-3460156
Street Address: Xiwangzhuang Town,
Shizhong District, Zaozhuang City,
Shandong Province, China
Website: http://www.thwater.com
Member name: taihe001
Country:
ChinaMember Since: 09 October 2007
Total Leads: 14 taihe001 Import Export Business Leads
Business focus: Water Treatment Chemicals, Hedp, Atmp, Amps, Paa, Paas, Edtmps, Anticale Agent, Corrosion Inhibitor
Chat:
Verify: Safe Import Export Tips
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