C10H16N2Na4O10
416.2 g/mol
Industrial ChemicalDanger
Ethylenediaminetetraacetic acid tetrasodium salt dihydrate
CAS10378-23-1EC600-485-4
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
chelating agent
Ethylenediaminetetraacetic acid tetrasodium salt dihydrate is the salt form of EDTA, an aminopolycarboxylic acid that forms water-soluble complexes with metal ions such as iron and calcium. It is widely used as a chelating agent in industrial and laboratory applications to dissolve scale or sequester metal ions.
Dissolving iron- and calcium-containing scaleSequestering metal ions in aqueous solutions
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 sodium tetrahydrate
CAS13235-36-4
chelating agent in industrial products
StrongSame Parent
Disodium zinc edetate
CAS14025-21-9
Chelating agent for fertilizers
StrongSame Parent
Magnesium disodium edta
CAS14402-88-1
Chelating agent for fertilizers
StrongSame Parent
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
StrongStructure SimilarSimilarity 1.00
Sodium feredetate
CAS18154-32-0
Chelating agent for soil fertilization
SimilarStructure SimilarSimilarity 0.74
Disodium hydroxyethyliminodiacetate
CAS135-37-5
chelating agent
ApplicationSame Use
Edetate trisodium
CAS150-38-9
chelating agent
ApplicationSame Use
Hydroxyethylethylenediaminetriacetic acid
CAS150-39-0
chelating agent
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Ethylenediaminetetraacetic acid tetrasodium salt dihydrate (CAS 10378-23-1) 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
tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;dihydrate
InChIKey
KSYNLCYTMRMCGG-UHFFFAOYSA-J
SMILES
C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-].O.O.[Na+].[Na+].[Na+].[Na+]
Synonyms (16)
- EDTA tetrasodium dihydrate
- tetrasodium edetate dihydrate
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