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1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (Hedp

(1.3)
Supplier From China
Jul-09-08

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 (1úÑ solution) :2 max ;2 max
Density (20íµ)g/cm3 :1.40 -
Fe ion ppm : 10 max; 20 max
Colour APHA (Hazen): 40 max -


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.

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More Items Similiar to: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (Hedp

Oct-18-08
HEDP

Hedp

(1.3)
Ask for price
MOQ: Not Specified
  Shandong Taihe Water Treatment Co., Ltd.
Supplier From Zaozhuang, Shandong, China
Supplier Of Water Treatment Chemicals
 
1-hydroxy ethylidene-1, 1-diphosphonic acid (hedp)
Cas no. 2809-21-4
Molecular formula: c2h8o7p2 molecular weight: 206.02

Propertiesof hedp:
Hedp is an organophosphoric acid corrosion inhibitor.
Hedp can chelate with fe, cu, and zn ions to form stable chelating compounds.
Hedp can dissolve the oxidized materials on these metals' surfaces.
Hedp shows excellent scale and corrosion inhibition effects under temperature 250 c.
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, hedp 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, hedp can be used as cleaning agent in electronic fields and as additives in daily chemicals.






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.
Jun-18-07
1-hydroxy ethylidene-1

1-Hydroxy Ethylidene-1

(1.3)
$0
MOQ: Not Specified
  Shandong Taihe Water Treatment Co., Ltd
Supplier From Zaozhuang, China
Supplier Of Water Treatment Chemicals
 
1-hydroxy ethylidene-1

1-hydroxy ethylidene-1, 1-diphosphonic acid
(hedp, zf111)
[cas no.] 2809-21-4, dequest: 2010
Molecular formula: c2h8o7p2, molecular weight: 206
Structural formula:
Properties:
This product is an organophosphoric acid corrosion inhibitor, it can chelate with fe, cu, and zn ions to form stable chelating compounds, thus it can dissolve the oxidized materials on these metalsf+ surfaces. Hedp shows excellent antiscale corrosion inhibition effects under temperature 250f¬. It has good stability under high ph value, is hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its properties of acid/alkali and chlorine oxidation resistance are better than that of other organophosphoric acids (salt). Hedp can react with metal ions in water system to form hexa-element chelating complex, especially with calcium ion to form capsule polymer chelating complex. Therefore, this product has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effective performance.

Specification:

Items
Index

Appearance
Colorless or light yellow transparent liquid



0kg in plastic barrel, or 250kg in plastic barrel for export, or confirmed by clients. Storage for ten months in room shady and dry place.
GOLD Member
Apr-29-24
1-Hydroxyethylidene-1,1-diphosphonic acid

1-Hydroxyethylidene-1,1-Diphosphonic Acid

(3.4)
$1.20
MOQ: 1  Kilograms
Sample Available
  Hebei Tianao Technology Co., Ltd
Supplier From Shijiazhuang, Hebei, China
Supplier Of Water Treatment Chemicals
 
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 temperatures of 250C HEDP has good chemical stability under high pH values is hard to hydrolyze and is hard to decompose under ordinary light and heat conditions Its acidalkali and chlo rine oxidation tolerance are better than that of other organophosphoric acids salt HEDP can react with metal ions in the water system to form a hexaelement chelating complex with calcium ions in particular Therefore HEDP has good antiscale and visible threshold effects When built together with other water treatment chemicals it shows good synergistic effects

Application

HEDP is used as scale and corrosion inhibition in circulating cool water system oil field and lowpressure 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 dyefixing agent In noncyanide electroplating HEDP is used as chelating agent The dosage of 110mgL is preferred as scale inhibitor 1050mgL as corrosion inhibitor and 10002000mgL as detergent Usually HEDP is used together with polycarboxylic acid
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Feb-19-25
1-Hydroxyethylidene-1,1-diphosphonic acid

1-Hydroxyethylidene-1,1-Diphosphonic Acid

(2.5)
$0
MOQ: Not Specified
Sample Available
  M Trading
Supplier From North York, Ontario, Canada
Supplier Of Water Treatment Chemicals
 
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 temperatures of 250C HEDP has good chemical stability under high pH values is hard to hydrolyze and is hard to decompose under ordinary light and heat conditions Its acidalkali and chlo rine oxidation tolerance are better than that of other organophosphoric acids salt HEDP can react with metal ions in the water system to form a hexaelement chelating complex with calcium ions in particular Therefore HEDP has good antiscale and visible threshold effects When built together with other water treatment chemicals it shows good synergistic effects

Application

HEDP is used as scale and corrosion inhibition in circulating cool water system oil field and lowpressure 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 dyefixing agent In noncyanide electroplating HEDP is used as chelating agent The dosage of 110mgL is preferred as scale inhibitor 1050mgL as corrosion inhibitor and 10002000mgL as detergent Usually HEDP is used together with polycarboxylic acid
Apr-29-11
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP)

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(Hedp)

(1.3)
Ask for price
MOQ: Not Specified
  Zaozhuang Dongtao Chemical Technology Co., Ltd.
Supplier From Zaozhuang, Shandong Province, China
Supplier Of Water Treatment Chemicals
 
CAS :2809-21-4
Molecular Formula:C2H8O7P2
Molecular weight: 206.02
1, Properties
HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn etc. metal ions and form stable complex compound. It can dissolve the oxidized materials on these metals'surfaces. Under250OC HEDP shows excellent scale and corrosion inhibition ability. 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 of HEDP is high purity product, suitable for using in winter and freezing districts. it is quite suitable for using as cleaning agent in electronic fields and as additives in daily chemicals.

2, Specification:
ITEMS
Index

Appearance
Colorless or light yellow transparent liquid
White crystal powder

Active content (as HEDP) % ¡Ý
50.060.0
89.0

Phosphorous acid (as PO33-)%¡Ü
2.02.0
0.80

Phosphoric acid(asPO43- )% ¡Ü
0.80.8
0.50

Chloride (as Cl-)% ¡Ü
1.01.0
0.10

pH (1% solution) ¡Ü
22
2.0

Density(20OC)g/cm3 ¡Ý
1.341.40
¡ª¡ª

Fe ion ppm ¡Ü
10 10
5.0.

3,HEDP Application range&using method
HEDP is widely used in the in circulating cool water system of electric power, chemical industry, metallurgy, fertilizer, etc. and widely used as a scale and corrosion inhibitor of low-pressure boilers, field waterflood, oil pipeline.
In light&textile 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.

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


Package and Storage:ATMP liquid: Normally In 30kg or 250kg net Plastic Drum;ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients request.Storage for ten months in room shady and dry place.
Oct-05-10
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP)

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(Hedp)

(1.3)
Ask for price
MOQ: Not Specified
  Zaozhuang Xintai Water-Treatment Co., Ltd.
Supplier From Zaozhuang, Shandong, China
Supplier Of Water Treatment Chemicals
 
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 centigrade degrees. 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 contentú¿HEDPú¬%:58.0-62.0;89.0 min
Phosphorous acidú¿as PO33-ú¬%:2.0 max;0.5 max
Phosphoric acid ú¿asPO43- ú¬%:0.8 max;0.5 max
Chloride (as Cl-)%:0.01 max;0.01 max
pHú¿1% solutionú¬:2 max;2 max
Density ú¿20 centigrade degreesú¬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.
Safety Protection:
Acidity, Avoid contact with eye and skin, once contacted, flush with water.

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.
GOLD Member
Aug-06-22
2-hydroxy-6-naphthoic acid

2-Hydroxy-6-Naphthoic Acid

(4.9)
$5.87K
MOQ: Not Specified
  Lianyungang Huaihua International Trade Co., Ltd.
Supplier From Lianyungang, Jiangsu, China
Supplier Of Chemicals & Allied Products
 
Name: 2-hydroxy-6-naphthoic acid
Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid
CAS NOï¼?16712-64-4
Molecular formula: c11h7o3
Molecular weight: 187.172

Product quality standard:
Appearance characte Light yellow powder
Content 99%
2-naphtholâ?¤0.10%
2,3-acidâ?¤0.10%
melting point243-245�°C
Loss on dryingâ?¤0.30%
heavy metalâ?¤20ppm

Application: used in medicine, liquid crystal, paint, etc.

Packing: 25kg / cardboard barrel, or according to customer requirements
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