EDTA disodium salt dihydrate

SKU

I5012

ACS Reagent, ≥99.0%

Synonym(s)

Disodium ethylenediaminetetraacetate dihydrate; EDTA disodium salt; EDTA-Na2; Edathamil; Edetate disodium salt dihydrate; Sequestrene Na2

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Brand Honeywell	Beilstein Registry Number 3900609	CAS Numbers (All) 6381-92-6	EC Number 613-386-6	Linear Formula C₁₀H₁₄N₂Na₂O₈ ·2H₂O
Molar Mass 372.24 g/mol	Synonyms Disodium ethylenediaminetetraacetate dihydrate; EDTA disodium salt; EDTA-Na2; Edathamil; Edetate disodium salt dihydrate; Sequestrene Na2

Property	Value
Assay (complexometric, calcualted as dihydrate)	99.0-101.0%
Identity (IR)	passes test
Identity (complexation)	passes test
Identity (sodium)	passes test
pH (50g/L, water)	4.0-5.5
Water insoluble matter	<=0.003%
Chloride (Cl)	<=0.004%
Sulphate (SO₄)	<=0.01%
Cyanide (CN)	<=0.001%
Heavy metals (as Pb)	<=0.0005%
Copper (Cu)	<=0.0001%
Iron (Fe)	<=0.0005%
Lead (Pb)	<=0.001%
Nitriloacetic acid (HPLC)	<=0.05%
Loss on drying (150° C, 6h)	8.7-11.4%

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