Hangzhou Candid I/E Co., Ltd.
Main products:Wire Drawing Machine,Nail & Screw Making Machine,Hexagonal Wire Netting Machine,Gabion Making Machine,Roofing Sheet Corrugating Machine,Welding Mesh Machine,PET Bottle Blowing Machine,PVC Pipe Production Line,EPS Foaming Machine,Pipe Threading Machine
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  • Contact Person : Mr. Zheng JiangWei
  • Company Name : Hangzhou Candid I/E Co., Ltd.
  • Tel : 0086-571-87924031
  • Fax : 0086-571-87031097
  • Address : Zhejiang,Hangzhou,Rm.617 Zhejiang Machinery Building No.23 Youdian Road
  • Country/Region : China
  • Zip : 310006

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

HEDP(1-Hydroxy Ethylidene-1,1-Diphosphonic Acid)
Product Detailed
HEDP(1-Hydroxy Ethylidene-1,1-Diphosphonic Acid) Usage: Water Treatment Chemicals Molecular Formula: C2H8O7P2

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

Specification:

items

index

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 (asPO43 )%        

0.8max

0.5max

Chloride  (as Cl-)%                

0.01max

0.01max

pH(1% solution)       

2max

2max

Density (20°C)g/cm3

1.40 

— 

Fe ion       ppm                

10max

20max

Colour APHA (Hazen)

40max

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.

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.

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



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