Product Description

EDTA-2Na is the disodium dihydrate salt of ethylenediaminetetraacetic acid. It is a water-soluble chelating reagent used to bind calcium, magnesium and many other metal ions in analytical, laboratory and formulation work.

The material is identified by CAS number 6381-92-6 and has a molecular weight of 372.24 g/mol. Because EDTA forms stable complexes with metal ions, it is widely used in complexometric titration, hardness determination, buffer preparation and metal-ion control.

EDTA-2Na is available in multiple grades, including analytical, ACS, laboratory, molecular-biology, pharmaceutical and technical grades. The product name alone does not confirm assay, grade, regulatory compliance, pack size or suitability for a specific regulated application. Contact Inaya Scientific for confirmation before ordering.

Key Features

• Common name: EDTA-2Na or EDTA disodium salt dihydrate
• Chemical name: Ethylenediaminetetraacetic acid disodium salt dihydrate
• CAS number: 6381-92-6
• EC number: 205-358-3
• Molecular formula: C10H14N2Na2O8 · 2H2O
• Molecular weight: 372.24 g/mol
• Functions as a chelating and complexing agent
• Binds calcium, magnesium and various transition-metal ions
• Suitable for complexometric titration and water-hardness analysis when the grade meets the method requirement
• Used in laboratory buffers and reagent preparation
• Common reference solubility: approximately 100 g/L in water at 20°C for representative reagent-grade material
• Representative 5% solution pH is commonly acidic to mildly acidic; exact value depends on grade and specification
• Available in different grades and pack sizes
• Batch-specific Certificate of Analysis and Safety Data Sheet should be checked before use

Product Overview

EDTA is a multidentate ligand, which means one EDTA molecule can attach to a metal ion through several binding sites. This produces a stable complex and reduces the amount of free metal ion available in the solution.

The disodium dihydrate form is commonly selected because it is easier to dissolve than free EDTA acid under many laboratory conditions. It is not the same product as anhydrous disodium EDTA, tetrasodium EDTA, calcium disodium EDTA or EDTA free acid.

Specification	Details
Product name	EDTA-2Na – Ethylenediaminetetraacetic Acid Disodium Salt Dihydrate
Synonyms	EDTA disodium salt dihydrate; disodium ethylenediaminetetraacetate dihydrate; edetate disodium dihydrate
CAS number	6381-92-6
EC number	205-358-3
Molecular formula	C10H14N2Na2O8 · 2H2O
Molecular weight	372.24 g/mol
Chemical function	Chelating / sequestering / complexing agent
Physical form	Commonly crystalline powder or solid; confirm supplied product
Water solubility	Water soluble; representative reagent data list about 100 g/L at 20°C
Grade	Contact Inaya Scientific for confirmation
Assay / purity	Contact Inaya Scientific for confirmation
Pack size	Contact Inaya Scientific for confirmation
Country of origin	Contact Inaya Scientific for confirmation

Main Applications

• Complexometric titration of calcium, magnesium and other metal ions
• Total-hardness determination in water samples
• Preparation and standardisation of EDTA titrant solutions
• Laboratory buffer and reagent preparation
• Metal-ion masking and sequestration in analytical chemistry
• Control of metal-catalysed reactions in research formulations
• Molecular-biology buffers and nucleic-acid workflows when a suitable molecular-biology grade is supplied
• Cell-culture and biochemical work when the grade and protocol permit it
• Textile, detergent, cosmetic or industrial formulations only when the supplied grade meets the formulation requirement
• Educational, research and quality-control laboratories

Key Benefits

Effective Metal-Ion Chelation

EDTA-2Na forms stable complexes with many metal ions. This makes it useful when a procedure requires free calcium, magnesium or transition-metal ions to be measured, controlled or masked.

Useful for Water-Hardness Testing

A standardised EDTA solution is widely used in complexometric hardness titrations. The exact concentration, indicator, buffer and calculation must follow the selected analytical method.

More Convenient Than Free EDTA Acid

The disodium salt generally dissolves more readily in water than EDTA free acid. Solution preparation may still require pH adjustment, complete mixing and verification against the laboratory method.

Broad Laboratory Compatibility

Different grades are available for analytical, biological, pharmaceutical and industrial work. Selecting the correct grade allows the same chemical identity to serve very different applications without assuming that every batch is interchangeable.

Supports Controlled Reagent Preparation

Known chemical identity, molecular weight and batch documentation support accurate solution preparation. A valid Certificate of Analysis is important when assay correction or traceability is required.

Who Should Buy This Product?

• Analytical and quality-control laboratories
• Water-testing and environmental laboratories
• Textile, dyeing and industrial laboratories
• Universities, colleges and research institutions
• Pharmaceutical, cosmetic or formulation laboratories using an appropriate grade
• Molecular-biology and biochemical laboratories using a verified suitable grade
• Water-treatment and process-control teams
• Government, NGO and institutional procurement departments
• Industrial buyers requiring bulk chelating-agent supply

Usage and Handling Summary

Follow the current product label, Certificate of Analysis, Safety Data Sheet and the exact analytical or formulation procedure. The following guidance is general and does not replace a validated method.

• Confirm the required grade, assay, hydrate form and pack size before use.
• Wear appropriate laboratory personal protective equipment and work in a suitable ventilated area.
• Use a clean, calibrated balance to weigh the required amount.
• Transfer the powder carefully to reduce airborne dust.
• Add the material gradually to the specified water volume while stirring.
• Adjust pH only when the method requires it and with the specified reagent.
• Allow the material to dissolve completely before making the solution up to final volume.
• Standardise prepared EDTA titrant when the analytical method requires standardisation.
• Label prepared solutions with concentration, preparation date, preparer and storage condition.
• Close the original container tightly after removing material.

Handling Precautions

• Avoid creating or breathing chemical dust.
• Avoid contact with eyes and prolonged contact with skin.
• Wash exposed skin after handling.
• Keep the container tightly closed and protect the chemical from contamination and moisture.
• Do not use laboratory-grade product in food, medicine, cosmetics or regulated manufacturing unless the grade and documentation specifically permit that use.
• Dispose of residues and prepared solutions according to the Safety Data Sheet and applicable local requirements.
• Keep the chemical away from children and unauthorised personnel.

Limitations and Important Considerations

• The exact brand, grade, assay, impurity limits, pack size and origin were not provided.
• EDTA-2Na dihydrate is not interchangeable by weight with anhydrous disodium EDTA because their molecular weights differ.
• It is not the same as EDTA free acid, tetrasodium EDTA or calcium disodium EDTA.
• Suitability for molecular biology, pharmaceutical, food, cosmetic or medical use depends on the verified grade and documentation.
• Water-hardness titration requires the correct buffer, indicator, pH, standardisation and calculation procedure.
• The presence of competing metal ions or matrix components can affect analytical results.
• The final pH of an EDTA solution depends on concentration and pH adjustment; it should not be assumed from the powder name alone.
• Shelf life and storage conditions must be taken from the supplied label or Safety Data Sheet.
• Formal regulatory or accredited testing should use a validated method and traceable reagents.

Available Pack Sizes or Variations

EDTA disodium salt dihydrate is commonly sold in laboratory packs such as 100 g, 500 g and 1 kg, as well as larger industrial quantities. Availability varies by brand, grade and supplier.

The confirmed pack size, grade and brand for this Inaya Scientific listing were not provided. Contact Inaya Scientific for confirmation.

EDTA-2Na Disodium Salt Dihydrate Price in Bangladesh

The EDTA-2Na disodium salt dihydrate price in Bangladesh depends on brand, grade, assay, pack size, country of origin, import cost and order quantity. Analytical, molecular-biology, pharmaceutical and technical grades can have significantly different prices.

The current Inaya Scientific selling price has not been provided. Contact Inaya Scientific for confirmation of the latest price, stock, grade and bulk-order quotation.

Availability and Delivery in Bangladesh

EDTA-2Na – Ethylenediaminetetraacetic Acid Disodium Salt Dihydrate can be ordered from Inaya Scientific, subject to confirmation of the required brand, grade, pack size and stock.

Nationwide delivery is available across Bangladesh, including Dhaka, Chattogram, Rajshahi, Khulna, Sylhet, Barishal, Rangpur, Mymensingh and other districts. Delivery time and charges depend on destination, chemical packaging, courier acceptance and order quantity.

Why Buy From Inaya Scientific?

• Current price and stock confirmation before ordering
• Nationwide delivery across Bangladesh
• Support for laboratory, industrial and institutional buyers
• Bulk-order and procurement quotations on request
• Confirmation of grade, assay, pack size, brand and origin before dispatch
• Batch-specific Certificate of Analysis and Safety Data Sheet support when available
• Assistance in selecting an appropriate chemical grade for the intended application
• Communication through mobile, WhatsApp and email

Any required certificate, specification sheet, regulatory document, country-of-origin document or procurement condition should be confirmed before placing the order.

Frequently Asked Questions

What is EDTA-2Na disodium salt dihydrate?

It is the disodium dihydrate salt of ethylenediaminetetraacetic acid and functions as a chelating agent. It binds calcium, magnesium and many other metal ions in laboratory, analytical and formulation work.

What is the CAS number and molecular weight of EDTA-2Na dihydrate?

The CAS number is 6381-92-6 and the molecular weight is 372.24 g/mol. Its molecular formula is C10H14N2Na2O8 · 2H2O.

What is EDTA-2Na used for?

It is used for complexometric titration, water-hardness determination, buffer preparation and metal-ion sequestration. It is also used in biological and industrial work when the supplied grade meets the specific requirement.

Can EDTA-2Na be used to test water hardness?

Yes, a standardised EDTA solution is commonly used to titrate calcium and magnesium in water. The correct concentration, buffer, indicator, endpoint and calculation must follow the selected test method.

What is the difference between EDTA-2Na dihydrate and anhydrous EDTA-2Na?

The dihydrate contains two molecules of crystallisation water, while the anhydrous form does not. Their molecular weights differ, so they cannot be substituted gram for gram without recalculation.

What is the difference between disodium EDTA and tetrasodium EDTA?

They are different sodium salts of EDTA and have different formula weights, solution pH behaviour and formulation uses. The correct salt should be selected from the analytical method or product formula rather than substituted automatically.

How do I dissolve EDTA-2Na in water?

Add the weighed powder gradually to water while stirring and follow the required concentration and pH procedure. Complete dissolution can depend on concentration, temperature and pH, so use the exact laboratory method rather than a generic formula.

What grade and purity are available?

EDTA-2Na dihydrate is sold in analytical, ACS, laboratory, molecular-biology, pharmaceutical and technical grades. The grade and assay of the Inaya Scientific product were not provided, so contact the seller for confirmation and request the Certificate of Analysis.

How should EDTA-2Na disodium salt dihydrate be stored?

Keep it tightly closed, dry and protected from contamination under the conditions stated on the product label or Safety Data Sheet. A verified shelf-life period for the supplied product was not provided, so contact Inaya Scientific for confirmation.

Where can I buy EDTA-2Na in Bangladesh?

You can order it from Inaya Scientific, subject to confirmation of brand, grade, pack size and stock. Nationwide delivery and quotations for bulk, laboratory and institutional orders are available on request.

EDTA-2Na disodium salt dihydrate is a versatile chelating reagent for water analysis, complexometric titration, laboratory buffers and controlled metal-ion management. Its usefulness depends on selecting the correct hydrate form, grade, assay and documentation for the intended procedure.

Before ordering, confirm the brand, grade, purity, pack size, country of origin and Certificate of Analysis with Inaya Scientific. For analytical use, prepare and standardise solutions according to the applicable validated method.

Order From Inaya Scientific

Contact Inaya Scientific to order EDTA-2Na – Ethylenediaminetetraacetic Acid Disodium Salt Dihydrate and confirm the latest price, available grade, pack size, stock, batch documents and delivery charge.

Seller Information

Seller: Inaya Scientific

Mobile: +880 1778-492798

WhatsApp: 01620247815

Email: inayascientific@gmail.com

Website: www.inayascientific.com

Delivery: Nationwide delivery across Bangladesh

When placing an order, provide the product name, required grade, pack size, quantity, delivery address and contact number. Request written confirmation of the brand, assay and batch documents before payment.