Weifang Graceland Chemicals Co., Ltd.
Main products:Red Phosphorus Masterbatch,BDDP,DBDPE,Ammonium Bromide,TBBA
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  • Contact Person : Ms. Lv Shirly
  • Company Name : Weifang Graceland Chemicals Co., Ltd.
  • Tel : 86-536-8661792
  • Fax : 86-536-8667556
  • Address : Shandong,Weifang,BINHAI DEVELOPMENT ZONE, WEIFANG, SHANDONG, CHINA
  • Country/Region : China
  • Zip : 262737

HEDP(Water Treatment)

HEDP(Water Treatment)
Product Detailed
1-Hydroxy Ethylidene-1,1-Diphosphonic (HEDP) CAS NO.:2809-21-4 HEDP is an organophosphoric acid corrosion inhibitor

Product name:1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

 Uses: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

 

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

Molecular Formula

C2H8O7P2

CAS No.

2809-21-4

Appearance

      Colorless or light yellow transparent liquid

White crystal powder

 Active content(HEDP)%

 58.0-62.0

 90.0min

Phosphorous acid(as PO33-)%

2.0max

0.5max

Phosphoric acid (as PO43 )%

0.8max

0.5max

Chloride (as Cl-)%

1.0max

0.1max

pH(1% solution)

2max

2max

Density (20°C)g/cm3

1.40

Fe,mg/L

10max

5max

Colour APHA (Hazen)

 40max— 

Packing

Normally In 250kg net Plastic Drum, IBC drum can also be used as required25kg inner liner polyethylene (PE) bag, outer plastic woven bag,, or confirmed by clients. 

HEDP(Water Treatment)



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