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Penta Sodium Salt of EDTMP Liquid
RAW MATERIAL
EDTMP.5Na

Penta Sodium Salt of EDTMP Liquid

Penta Sodium Salt of EDTMP Liquid is an amber, water-soluble phosphonate solution used for scale control, corrosion inhibition, metal chelation, and industrial water treatment.

Chemical Name
Penta Sodium Salt of Ethylene Diamine Tetra (Methylene Phosphonic Acid)
Molecular Weight
546.13
Molecular Formula
C6H15O12N2P4Na5
EINECS
231-615-4
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PRODUCT OVERVIEW

Product Description

Penta Sodium Salt of EDTMP Liquid is an amber transparent aqueous solution of the pentasodium salt of ethylene diamine tetra(methylene phosphonic acid). The product is water-soluble and provides good chemical stability, thermal tolerance, metal-ion chelation, and scale-control properties. It is particularly suitable for applications requiring control of mineral scale and corrosion in industrial water systems. It is commonly used in circulating water and boiler-water treatment, non-cyanide electroplating, and industrial processes requiring chelation or water-softening performance.
PRODUCT PARAMETERS

General Parameters

Appearance
Amber transparent liquid.
Characteristic
Water-soluble phosphonate with good chemical and thermal stability, metal-chelating ability, and scale-inhibition performance, particularly against calcium sulfate and barium sulfate.
KEY PROPERTIES

Product Characteristics

Amber transparent liquid.
Fully soluble in water.
Good chemical stability and thermal tolerance.
Provides metal-ion chelation and scale-inhibition performance.
Effective for controlling calcium sulfate and barium sulfate scale.
TECHNICAL SPECIFICATIONS

Specification Data

Specification Standard
Appearance Amber transparent liquid
Active acid (as EDTMPA) by wt % 24.0-26.0
Active content (as EDTMP.Na5) by wt % 30.0-32.6
Chloride (Cl⁻) by wt % 2.0 max
Density (20°C), g/cm³ 1.25 min
Fe, mg/L 20.0 max
pH (1% water solution) 6-8
APPLICATIONS

Typical Uses

✓
Used as a scale and corrosion inhibitor in circulating-water and boiler-water systems.
✓
Used as a chelating agent in non-cyanide electroplating processes.
✓
Used as a water-softening agent in industrial dyeing applications.
STORAGE & HANDLING

Handling Guidance

Store in suitable sealed packaging under appropriate industrial storage conditions. Protect the product from contamination, direct sunlight, moisture, and incompatible materials. Storage conditions, packaging requirements, and shelf life should follow the actual supplier COA, SDS, and technical documentation.
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