Pentasodium Salt Of Ethylene Diamine Tetra

Pentasodium Salt Of Ethylene Diamine Tetra

  • Pentasodium Salt Of Ethylene Diamine Tetra
Packaging: Liquid: 200L plastic drum,IBC(1000L),customers` requirement. Storage for ten months in shady room and dry place.
Place of Origin: China

Product Description

Pentasodium Salt Of Ethylene Diamine Tetra (Methylene Phosphonic Acid) (EDTMPNa5)

 

CAS No. 7651-99-2                                             

Molecular formula: C6H15O12N2P4Na5                                             Molecular weight: 546.13

Structural formula


 

Properties

EDTMPNa5 is a neutral solid product. It is nitrogenous organic polyphosphonic acid, which is a part of cathodic corrosion inhibitor. EDTMPNa5 can be fully dissolved in water, innocuous and none pollution to environment, has good chemical stability and thermal tolerance. EDTMPNa5 has good scale inhibition property under temperature 200. EDTMPNa5 can dissociate into 8 positivenegative ions, thus can chelate with more than two metal ions to form more than two polymer reticulation complex, the complex can be quickly dissolved in water to destroy the normal crystallization of calcium scale. EDTMPNa5 shows better scale inhibition effects to calcium sulfate and barium sulfate.

EDTMPNa5 can be used as scale and corrosion inhibitor for circulating water and boiler water system, chelating agent in non-cyanide electroplating, water-softening agent in dyeing industry, etc.

The solid state EDTMPNa5 is slightly easy to deliquescence, convenient in transportation and suitable for usage in winter and freezing districts.

 

Specification

Items

Index

Appearance

Amber transparent liquid

White powder

Active content (EDTMPNa5)%

30.0-32.6

81.4min

Active content (EDTMPA)%

24.0-26.0

65.0min

Chloride( as Cl-) %

2.0max

2.0 max

pH

6.0~8.0(as it)

6.0~8.0(1% water solution)

Density (20)g/cm3

1.25min

-

Fe,mg/l

20max

20 max

 

Package and storage

Liquid: 200L plastic drum,IBC(1000L),customers` requirement. Storage for ten months in shady room and dry place.

Solid: 25kg/bag,customers` requirement. Storage for one year in shady room and dry place.

 

Keywords:

EDTMPNa5

 

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