Sell HEDP By Shandong Aona Chemical Co., Ltd, China
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Sell HEDP

Sell HEDP

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Localité:

China

Prix de commande minimale:

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Commande minimale:

1 Ton

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Shandong Aona Chemical Co., Ltd

Shandong Aona Chemical Co., Ltd

China

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Personne à contacter vivian

Sea View Dynasty,No.41 Donghai West-Rd Qingdao,Shandong province,China., Qingdao, Shandong

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Description

CAS No.  ********4                             
Molecular Formula:   C2H8O7P2                         Molecular weight: **6.*2
Synonyms: Dequest ***0; Etidronic Acid
Structural Formula:

Properties:
HEDPis 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.Itshows excellent scale and corrosion inhibition effects under temperature **0℃.
HEDPhas 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).
 HEDPcan react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore,ithas good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.
SolidHEDPis 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. 
Specification:
 
Items Index
Appearance Clear, Colorless to pale yellow aqueous solution White crystal powder
Active content (HEDP) % *8.***2.0 *0.0min
Phosphorous acid (as PO**-) % 2.0 max 0.8 max
Phosphoric acid  (asPO**- ) % 0.8 max 0.5 max
Chloride (as Cl-) ppm **0.0 max **0.0max
pH (1% solution) 2.0 max 2.0 max
Density  (*0℃) g/cm3 1.***1.*7 -
Fe, mg/L *0.0 max 5.0 max
Colour APHA (Hazen) *0.0 max -
Ca sequestration (mg CaCO3/g) **0.0 min -

 
Usage:
HEDPis 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,HEDPis used as detergent for metal and nonmetal. In dyeing industry, it is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating,itis used as chelating agent.
 

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