Shijiazhuang Leveling Import and Export Co., Ltd.

HEDP, Diphosphonic Acid, CAS No 2809-21-4 manufacturer / supplier in China, offering Circulating Cool Water Treatment 60% CAS No. 2809-21-4 HEDP, Sg5 PVC Resin with K Value Plastic Raw Materials, High Titanium Slag 90% Factory Best Price Use for Titanium Dioxide and so on.

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Circulating Cool Water Treatment 60% CAS No. 2809-21-4 HEDP

FOB Price:US $750 - 800 / Ton
Purchase Qty. (Tons) FOB Price
25-39 US $800 / Ton
40+ US $750 / Ton
Get Latest Price
Min. Order: 25 Tons
Port: Qingdao, China
Production Capacity: 500000ton
Payment Terms: L/C, T/T, Western Union, Money Gram

Basic Info.

Model NO.:60%
Acid-Base Property:Alkaline Surface Disposal Agent
Environmental Protection:Yes
Type:Water Treatment, Oil / Water Separation Agent
CAS No.:2809-21-4
Einecs No.:220-552-8
Delivery Time:Within 10 Days After Confirmi
Usage:Paper Chemicals, Water
Chloride(as Cl-:Max100ppm
Transport Package:275kg Drum
HS Code:2931000090

Product Description

1-Hydroxy Ethylidene-1 1-Diphosphonic Acid Liquid / HEDP
Product Properties 
CAS No. 2809-21-4
Molecular Formula:   C2H8O7P2      Molecular weight: 206.02
HS NO:2931900090
UN NO. 3265
It has good chemical stablity under high PH value,hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid and chlorine oxidation tolerance are better than that of other organophosphoric acids(salt).
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.
Product Applications 
HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boliers 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.  
AppearanceClear, Colorless to pale yellow aqueous solution
Active content (HEDP)%58.0-62.0
Phosphorous acid (as PO33-)%1.0 max
Phosphoric acid  (asPO43- )%0.6 max
Chloride (as Cl-) ppm100.0 max
pH (1% solution)2.0 max
Density  (20°C)g/cm31.43-1.47
Fe,mg/L10.0 max
Colour APHA (Hazen)30.0 max
Acetic acid %0.5 max
Ca sequestration (mg CaCO3/g)500.0 min
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