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1-Hydroxyethylendiphosphonic Acid(Hedp)

Supplier From United Kingdom
Jan-21-25

1-Hydroxyethylendiphosphonic Acid
CAS No.2809-21-4
Purity: 60% & 90%
Synonyms: HEDP
Molecular Formula:C2H807P2
Formula Weight:206.03
Package:250kg/Plastic drum, 25kg/bag

Product Description:
1.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.Under 250'C HEDP shows excellent scale and corrosion inhibition ability.
2. HEDP has good chemical stability under high pH value, hard to be hydro-lyzed,and hard to be decomposed under ordinary light and heat conditions. lts acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt).
3. 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.
4. 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.

Application Range:
1. HEDP is widely used in the in circulating cool water system of electric power, chemical industy, metallurgy, fertilizer, etc.and widely used as a scale and corrosion inhibitor of low-pressure boilers, field waterflood, oil pipeline
2. 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.
3. In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor,and 1000-2000mg/L as detergent. Usually,HEDP is used together with polycarboxylic acid.

Packing and storage:
Store above 0â??/32â?? .Do not use steel containers. Suitable containers include polyethylene,fibreglass,glasslined steel and polyvinyl chloride.Do not use copper or brass plumbing or valves.Ensure tha containers,whether empty ,or full or part full,are tightly sealed unless in use.Avoid creating or breathing product mist. Use with adequate exhaust ventilation if a mist is created.

Transport lnformation:
DOT Classification: Class 8: Corrosive material
Identification: : Corrosive Liquid, Acid, Organic, n.o.s. (1-hydroxyethanediphosphonic acid) UNNA: 3265 PG:â?¡
Special Provisions for Transport: Not available.

Price and Minimum Quantity

Price: $2400
MOQ: Not Specified

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1.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..
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Phosphoric Acid Specification
NO. Specifications Phosphoric Acid Industrial Grade Phosphoric Acid Food Grade
1 Appearance Colorless, transparent syrupy liquid or in very light color
2 Colour 30 20
3 Assay (as H3PO4 )% 85.0 85.0
4 Chloride(as Cl- )% 0.0005 0.0005
5 Sulphats(asSO42- )% 0.005 0.003
6 Iron (Fe)% 0.002 0.001
7 Arsenic (As)% 0.005 0.0001
8 Heavy metals,as Pb% 0.001 0.001
9 Oxidable matter (asH3PO4)% 0.012
10 Fluoride,as F% 0.001
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1.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..
2.In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry,
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Item Index
Appearance White Granule/Prills
Content 92%-98%
Acidity(Formic acid) 0.03%
Methanol Content 1%
pH 3.0-7.0
Iron Content 0.0002%
Ash 0.05%
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Commodity : Potassium sorbate
Molecular formula : C6H7KO2
Molecule Weight : 15022
HS code : 29161900
CAS : 24634615� 

Specifications
appearance : White crystal granule
Production Standard : FCCIV
Content : 9801010
K2CO3 : 1 max
Loss on drying : 1 max
Chloride : 001 max
Heavy metalsas : Pb 0001 max

Packing in carton 25kgs net weight

Quantity 14MT loaded into 1 x 20GP

Excellent preservative properitesproperites Sorbic Acid Potassium Sorbate can restrain effectively the activity of mould yeast and aerophile bateria Restrain growth and reproduction of the pernicious micro organism as pseudomonas staphylococcus salmonella action to restrain growth is more powerful than killing Meanwhile it can not restrain useful microoranganim growth ad Anaerobicbearing barilli acidophil therefore to lengthen food store peroid and remain food original flavor The preservative efficiency of sorbic acid Potassium sorbate is 510 times sodium benzoate

High safety Sorbic Acid Potassium Sorbate is one kind of nonsuturated fatty acid compounds It can be absorbed by human body rapidly then decomposed into CO2 and H2Omoreover no remaining in body ADI 025mgkg based on sorbic acid FAOWHO 1994 LD50 4920 mgkglarge mouse by mouth GRASFDA 1823640 1994 Its toxicity only 112 times table salts and 140 times sodium benzoate

Good stability Sorbic Acid Potassium Sorbate is stable in sealed staus will not be decomposed until 270C It will be oxidized into colored ones and absorbing moisture in case exposed in air for a long time

Wide application At the momentSorbic Acid Potassium Sorbate has been used extensively in food drinkvegetables in soy tabacco drugs cosmetics agricultural products forage and other domain Its applicaion should be wide and wide in the world
As acidic preservative Sorbic Acid Potassium Sorbate is also used well in neutral foodph6065 The preservative efficiency of sodium benzoate will decrease clearly and have a bed taste while ph4
Applicaion flexibilitySorbic Acid Potassium Sorbate can be used by direct adding sprayingretting dry spraying using in packing material and other method

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