Twin International Co., Limited

water treatment chemicals,pharmaceutical intermediates,Aluminum Chlorohydrate,KBR,SMFP
Home > Product > Chemicals > Chemical Reagents > 60% 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP
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60% 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDP

Price:
USD 1080 - 1140 / Ton  [Get Latest Price]
Min.Order:
1 Ton/Tons
Brand Name:
Twin
MF:
C2H8O7P2
EINECS No.:
220-552-8
Purity:
60%
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Supplier Profile

Enterprise Certifiation

Twin International Co., Limited
China (Mainland) China (Mainland)
2002
Total Stuff:11 - 50 People
Manufacturer,Trading Company

Products details

Item specifics

  • Brand Name: Twin
  • MF: C2H8O7P2
  • EINECS No.: 220-552-8
  • Purity: 60%
  • Other Names: HEDP
  • Model Number: TW-HEDP
  • packing: IBC drum
  • Place of Origin: China (Mainland),Shanghai
  • Classification: Specific Reagents
  • CAS No.: 2809-21-4

Specifications

60% 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid as scale and corrosion inhibition HEDPHydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

CAS No. 2809-21-4 

Molecular Formula:   C2H8O7P2      Molecular weight: 206.02 

HS NO: 2931900090

UN NO. 3265

Properties:

HEDP is 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. HEDP shows excellent scale and corrosion inhibition effects under temperature 250°C

Specification:

Items

Index

Appearance

Clear, 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-) ppm

100.0 max

pH (1% solution)

2.0 max

Density  (20°C)g/cm3

1.43-1.47

Fe,mg/L

10.0 max

Colour APHA (Hazen)

30.0 max

Acetic acid %

0.5 max

Ca sequestration (mg CaCO3/g)

500.0 min

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. 

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