C10H18N2Na2O10
372.24 g/mol
Industrial ChemicalWarning
EDTA disodium salt
CAS6381-92-6
Category
Industrial Chemical
Compound Class
Other
Primary Use
chelating agent for metal ions
EDTA disodium salt is a salt-like, hydrate form of ethylenediaminetetraacetic acid, a white solid that is slightly soluble in water. It is widely used as a chelating agent to bind metal ions such as iron (Fe²⁺/Fe³⁺) and calcium (Ca²⁺), forming water-soluble complexes even at neutral pH.
Dissolving iron- and calcium-containing scaleDelivering iron ions under conditions where its oxides are insoluble
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Edetate disodium
CAS139-33-3
chelating agent for metal ions
StrongSame Parent
Dipotassium EDTA
CAS2001-94-7
chelating agent for food preservation
StrongSame Parent
Ethylenediaminetetraacetic acid dipotassium salt dihydrate
CAS25102-12-9
chelating agent for metal ions
StrongStructure SimilarSimilarity 1.00
Edetate trisodium
CAS150-38-9
chelating agent
StrongStructure SimilarSimilarity 1.00
Edetate tripotassium
CAS17572-97-3
Chelating agent
StrongStructure SimilarSimilarity 0.95
Gadopentetate dimeglumine
CAS86050-77-3
pharmaceutical raw material
ApplicationSame Use
Iron(3+) sodium 2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate--water (1/1/1/1)
CAS149022-26-4
chelating agent for metal ions
ApplicationSame Use
Diammonium ethylenediaminetetraacetate
CAS20824-56-0
chelating agent for metal ions
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
H312Harmful in contact with skin
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for EDTA disodium salt (CAS 6381-92-6) is 2922.49.
HS code (international, 6-digit)
2922.49
EU CN code (8-digit)
2922 49 85
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
disodium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;dihydrate
InChIKey
OVBJJZOQPCKUOR-UHFFFAOYSA-L
SMILES
C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)O)CC(=O)O.O.O.[Na+].[Na+]
Synonyms (15)
- 139-33-3(Anhydrate CAS)
- Ceftriaxone Impurity 39
- EDTA disodium salt
- EDTA disodium salt, dihydrate
- Edta disodium
- disodium edetate (edta)
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