Name: EDTA SOLUTION 40 percent
Brand: RXSOL
SKU: RXSOL-33-6604-230

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RO Chemicals-33

Product code RXSOL-33-6604-230

Unit: Kg.Liq
Quantity per unit: 1200.00

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EDTA Disodium, 10 Percent (w/v) Solution ,

is generally used as a gentle non-enzymatic cell dissociation reagent, a chelating reagent and in biological and electrophoresis buffer systems.

RXSOL Tetrasodium EDTA 40% Liquid is a concentrated aqueous solution of tetrasodium ethylenediaminetetraacetate (Na₄EDTA), a powerful chelating and sequestrating agent.

It binds polyvalent metal ions such as calcium, magnesium, iron, copper and other metal ions, converting them into stable water-soluble complexes. This helps prevent precipitation and assists in removing mineral and metallic deposits during industrial cleaning.

The product is particularly useful in reverse osmosis (RO) membrane cleaning/CIP, where EDTA can assist in removing metal-containing deposits and certain inorganic/organic foulants. DuPont's FilmTec RO/NF technical manual specifically lists 1.0 wt% Na₄EDTA with 0.1 wt% NaOH as an alternative cleaning solution for biofouling, subject to membrane compatibility and the manufacturer's cleaning limits.

Application

Manufacturing, EDTA is used to improve stability of some pharmaceutical products, detergents, liquid soaps, shampoos, agricultural chemical sprays, contact lens cleaners and cosmetics. It is also used in certain blood collection tubes used by medical laboratories.

Wide areas of application for EDTA 4 Na liquid

Reverse Osmosis (RO) Systems

RXSOL Tetrasodium EDTA 40% can be used as a component of RO membrane cleaning/CIP formulations, particularly for:

Metal-containing deposits
Calcium-associated fouling
Magnesium deposits
Iron fouling
Manganese deposits
Certain inorganic scale deposits
Metal-organic complexes
Difficult mixed fouling

RO membranes progressively accumulate contaminants that can reduce permeate flow and affect system performance, making periodic CIP an important maintenance operation.

Other Industrial Applications

Heat exchangers
Boilers and process equipment
Cooling-water systems
Industrial vessels
Pipelines
Process-water systems
Metal-cleaning formulations
Detergent formulations
Water-treatment chemicals
Pulp and paper processing
Textile processing
Industrial CIP systems

Technical Specifications

Property	Typical Specification
Appearance	Clear to slightly hazy liquid
Colour	Colourless to pale yellow
Active EDTA-4Na	40.0 ± 1.0%
Specific Gravity @ 20°C	1.25–1.40
pH	10.5–12.0
Water Solubility	Completely soluble
Odour	Slight / characteristic
Physical State	Liquid
Ionic Character	Anionic

Other Names

EDTA SOLUTION 40%, Tetrasodium EDTA 40 percent solution for RO Systems

Useful Area

Benefits of using EDTA Tetrasodium liquid in Reverse Osmosis Membrane Cleaning

RXSOL Tetrasodium EDTA 40% can provide:

Metal Ion Sequestration
Captures calcium, magnesium, iron and other polyvalent ions.

Deposit Loosening
Helps destabilize metal-containing deposits and make them more soluble/dispersible.

Reduced Re-precipitation
Keeps captured metal ions in soluble complexed form during cleaning.

Improved Cleaning Chemistry
Can be combined with alkaline cleaning systems where appropriate.

Concentrated Liquid Format
Easy metering compared with handling solid EDTA powder.

Procedure

RXSOL Tetrasodium EDTA 40% should not be considered a universal RO membrane cleaner by itself.

The correct cleaning chemistry depends on the foulant. Acid cleaning is generally used for carbonate/mineral scale, while alkaline cleaning is commonly used for organic and biological fouling. EDTA is particularly useful where metal-ion fouling or metal-associated deposits are involved.

DuPont's FilmTec manual gives 1.0 wt% Na₄EDTA + 0.1 wt% NaOH as an alternative cleaning formulation under specified membrane cleaning conditions.

Suggested EDTA CIP Starting Formulation

For compatible RO membranes:

Component	Concentration
RXSOL Tetrasodium EDTA 40%	2.5%
Sodium Hydroxide	0.10%
RO Permeate / DI Water	Balance

This provides approximately:

1.0% active Na₄EDTA

Note

EDTA is short for ethylenediamine tetraacetic acid, a stabilizer used in cosmetics to prevent ingredients in a given formula from binding with trace elements (particularly minerals) that can be present in water.

Identification

This prevents calcium from remaining available to form insoluble deposits.

Similarly, EDTA can complex:

Calcium
Magnesium
Iron
Copper
Manganese
Zinc

This makes RXSOL Tetrasodium EDTA 40% particularly useful where mineral deposits or metal-containing foulants are contributing to equipment or membrane fouling.

Chelating agents are widely used in cleaning because they can capture metal ions and transport them away from contaminated surfaces.

Keywords

Key Features of EDTA 4 Na solution

40% active tetrasodium EDTA
Strong chelation of Ca²⁺, Mg²⁺, Fe³⁺ and other polyvalent ions
Helps dissolve and disperse metal-containing deposits
Excellent water solubility
Particularly useful in alkaline cleaning systems
Suitable for RO membrane CIP when membrane compatibility is confirmed
Helps prevent re-deposition of metal ions
Compatible with many alkaline cleaning formulations
Useful for industrial descaling and deposit removal
Concentrated liquid for easy dosing

Supply Locations

[EDTA SOLUTION 10%] manufacturers, suppliers, exporters in Mumbai, Gandhidham, Kolkata, Varanasi, Visakhapatnam, Chennai, Fujairah, Dubai, Canada BC, Barka, Sohar, Muscat, Oman.

Lab chemicals manufacturers, suppliers, exporters in India, UAE Middle East, Barka, Sohar, Muscat, Oman, Canada.

[EDTA SOLUTION 10%] is available in small packing as well as in bulk. Buy premium quality [EDTA SOLUTION 10%] and other lab chemicals from one of the most trusted brands.

Dosage