Nanjing Xiangshengtai Chemical Co., Ltd.
Main products:sodium tolyltriazole 50% liquid
Products
Contact Us
  • Contact Person : Ms. Li Julia
  • Company Name : Nanjing Xiangshengtai Chemical Co., Ltd.
  • Tel : 86-0-13914781109
  • Fax : 86-25-84801979
  • Address : Jiangsu,Nanjing,Rm 10-910 of Xinyuan, Baixia District,Nanjing
  • Country/Region : China

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

Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)
Product Detailed
1.HEDP/ Hydroxy Ethylidene-1,1-Diphosphonic Acid 2.CAS No. 2809-21-4 3. Water treatment chemicals

Hydroxy Ethylidene-1,1-Diphosphonic Acid  (HEDP) -water treatment chemical

 

CAS No. 2809-21-4

Molecular Formula: C2H8O7P2 Molecular weight: 206.02

Structural Formula:

 

Usage:

HEDP is widely used in electric power, chemical industry, metallurgy, fertilizers, low pressure boilers, industrial circulating water system and oilfield water injection and oil pipeline and salt and molybdate and zinc as well as copolymer compound used, main role inhibition and inhibition. In addition, they can also be used as a cyanide-free electroplating complexing agents, detergent for surface treatment of metals and non-metals, hydrogen peroxide stabilizer, metal ion masking agents, and so on. 

 

Technological specification:

Standard HG/T3537-1999

Appearance

Clear, Colorless to pale yellow aqueous solution

Clear, Colorless to pale yellow aqueous solution

White crystal powder

Active content (HEDP)%≥

50.0

60.0

90.0

Phosphorous acid (as PO33-)%)≤

2.0

2.0

0.80

Phosphoric acid (asPO43- )% ≤

0.8

0.8

0.50

Chloride (as Cl-)% ≤

0.01

0.01

0.10

pH (1% solution) ≤

2.0

2.0

2.0

Density (20°C)g/cm3 ≥

1.34

1.40

——

Chelating value mg/g

450

500

 

Fe2+,mg/L≤

10.0

10.0

5.0

Active content(HEDP·H2O)% ≤

——

——

98.0

 

Package and Storage:

HEDP liquid: 200L plastic drum,IBC(1000L),customers’ requirement.

HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.

Storage for twelve months in room shady and dry place.

 

Safety Protection:

Acidity, Avoid contact with eye and skin, once contacted, flush with water.

 

This is Alice Wong here. Need any help, free to let me know!

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



Copyright Notice @ 2008-2012 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.