01681  Ethylenediamine tetraacetic acid disodium salt

C₁₀H₁₄Na₂N₂O₈.2H₂O

Ethylenedinitrilotetraacetic acid disodium salt dihydrate

CAS-No. 6381-92-6 EC-No. 205-358-3 HS-No. 2921290090 

M = 372.24 g/mol Melting point 255 °Cdecomposes

Ethylenediaminetetraacetic acid disodium salt  AR

Specification  GB/T 1401-1998

Assay

>=99.0%

pH-value(50 g/L,25 °C)

4.0~5.0

Clarity of solution

Pass

Chloride(Cl)

<=0.005%

Sulfate(SO₄)

<=0.02%

Iron(Fe)

<=0.001%

Heavy metals(as Pb)

<=0.001%

Ethylenediaminetetraacetic acid disodium salt  CP

Specification  GB/T 1401-1998

Assay

>=98.0%

pH-value(50 g/L,25 °C)

4.0~5.0

Clarity of solution

Pass

Chloride(Cl)

<=0.02%

Sulfate(SO₄)

<=0.1%

Iron(Fe)