Ethylenediaminetetraacetic acid disodium dihydrate

Basic Information

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CAS Number

6381-92-6

Molecular Formula

C10H18N2Na2O10

Molecular Weight

372.24 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Physical Properties

Melting Point

248 °C (dec.)

Boiling Point

>100 °C

Density

1.01 g/mL at 25 °C

Solubility

3 M NaOH: 100 mg/mL

Refractive Index

n20/D 1.363

SMILES

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O.O.[Na+].[Na+].OC(=O)CN(CCN(CC(=O)[O-])CC(=O)[O-])CC(=O)O

InChI

1S/C10H16N2O8.Na/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);/q;+1

InChIKey

HLWRUJAIJJEZDL-UHFFFAOYSA-N

LogP

-4.86920

Complexity

316

Safety Information

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Hazard Statement

Stability

Stable. Incompatible with strong oxidizing agents.

Sensitiveness

对湿度敏感

Synonyms & References

English

Disodium edetate dihydrate
aceticacid,(ethylenedinitrilo)tetra-,disodiumsalt,dihydrate
disodiumedtadihydrate
ethylenediaminetetraaceticacidsodiumsaltdihydrate(disodiumedtadihydrate)
glycine,n,n’-1,2-ethanediylbis(n-(carboxymethyl)-,disodiumsalt,dihydrate
1,2-DIAMINOETHANE-N,N,N',N'-TETRA-ACETIC ACID
EDTA TITRANT
EDTA disodium salt dihydrate
Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate[for Biochemical Research]
Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate
Ethylenediaminetetraacetic acid disodium salt dihydrate
EDTA
EDTA disodium salt
EDTA disodium salt concentrate
EDTA-2Na
Ethylene diamine tetraacetic acid, disodium salt
Ethylenediamine-N,N,N',N'-tetraacetic Acid Disodiu m Salt Dihydrate (2NA)
Ethylenediamine-N,N,N’,N’-tetraacetic Acid Disodium Dihydrate
ACS
EDTA-2NA 2H2O
EthylenediaMinetetraacetic acid
EDTA-Na2
Edetate Disodium
EDTA 2Na Dihydrate
ETA Dihydrate
Cheladrate
Endrate
Edta disodium
Sodium versenate
Endrate disodium
Disodium versene

MDL Number

MFCD00150037

FAQ

What is Ethylenediaminetetraacetic acid disodium dihydrate (CAS: 6381-92-6)?

Ethylenediaminetetraacetic acid disodium dihydrate (CAS: 6381-92-6) is a chelating agent with the chemical formula C10H16N2O8Na2·2H2O. It is a white, crystalline solid highly soluble in water. Commonly known as EDTA disodium, it binds metal ions, stabilizing solutions and preventing unwanted reactions. Its structure includes two sodium ions and two water molecules, making it versatile for various applications. This compound is widely used in industries requiring metal ion sequestration.

What are the main uses of Ethylenediaminetetraacetic acid disodium dihydrate (CAS: 6381-92-6)?

Ethylenediaminetetraacetic acid disodium dihydrate (CAS: 6381-92-6) is used in pharmaceuticals for chelation therapy, in food as a preservative and stabilizer, in industrial cleaning products to remove heavy metals, and in research for analytical chemistry. It serves as a sequestrant in cosmetics and textiles. Its ability to bind metal ions makes it critical in applications requiring metal ion control, such as water treatment and medical diagnostics.

Is Ethylenediaminetetraacetic acid disodium dihydrate (CAS: 6381-92-6) safe?

Ethylenediaminetetraacetic acid disodium dihydrate (CAS: 6381-92-6) is generally safe when handled properly. It has low acute toxicity and is approved for use in food and pharmaceuticals. However, prolonged exposure may cause skin or eye irritation. Safety standards recommend using protective gear like gloves and goggles. Adherence to OSHA and EPA guidelines ensures safe handling and disposal, minimizing health and environmental risks.

How should Ethylenediaminetetraacetic acid disodium dihydrate (CAS: 6381-92-6) be stored?

Ethylenediaminetetraacetic acid disodium dihydrate (CAS: 6381-92-6) should be stored in a cool, dry, and dark place to maintain stability. Keep in airtight containers to prevent moisture absorption. Avoid exposure to light and high humidity to prevent degradation. Store at temperatures below 25°C (77°F) and ensure proper ventilation. Proper storage preserves its effectiveness and safety for extended periods.