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EDTMP Na5 - Shandong IRO Water Treatment Co,. Ltd
EDTMP Na5 (Pentasodium Salt of Ethylene Diamine Tetra (Methylene Phosphonic Acid) ) 2019-04-28T10:01:39+00:00

Project Description

EDTMP Na5 (Pentasodium Salt of Ethylene Diamine Tetra (Methylene Phosphonic Acid) )

CAS No.: 7651-99-2
Molecular Formula: C6H15O12N2P4Na
Molecular Weight: 546.13

Structural Formula:

Properties:

EDTMP·Na5 is a neutral solid product. It is nitrogenous organic polyphosphonic acid, which is a part of cathodic corrosion inhibitor. EDTMP·Na5 can be fully dissolved in water, innocuous and none pollution to the environment, has good chemical stability and thermal tolerance. Pentasodium Salt of Ethylene Diamine Tetra (Methylene Phosphonic Acid) has good scale inhibition property under temperature 200°C.

EDTMP·Na5 can dissociate into 8 positive-negative 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. EDTMP·Na5 shows better scale inhibition effects on calcium sulfate and barium sulfate.

Pentasodium Salt of Ethylene Diamine Tetra (Methylene Phosphonic Acid) 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 the dyeing industry, etc.

The solid-state EDTMP·Na5 is slightly easy to deliquescence, convenient in transportation and suitable for usage in winter and freezing districts.

Specification:

ItemIndex
AppearanceAmber transparent liquidWhite powder
Active content (EDTMP·Na5)%30.0 – 32.581.4 min
Active content (EDTMPA)%24.0 – 26.065.0 min
Chloride (Cl) %2.0 max2.0 max
pH6.0 – 8.0 (as it)6.0 – 8.0 (1% water solution)
Density (20°C) g/cm31.25 min
Fe, mg/L20 max20 max

Package and Storage:

Liquid: 200L plastic drum, IBC (1000L). Or as customers’ requirement. Storage for ten months in a shady room and dry place.
Solid: 25 kg/bag,customers’ requirement. Storage for one year in a shady room and dry place.