EDTA disodium salt dehydrate, Reag. Ph. Eur., 99-101%, =0.1%

Name: EDTA disodium salt dihydrate
Synonymns: Disodium ethylenediaminetetraacetate dihydrate; EDTA disodium salt; EDTA-Na₂; Edathamil; Edetate disodium salt dihydrate; Sequestrene Na₂
Description: Reag. Ph. Eur., 99-101%, ≤0.1% NTA (HPLC), for complexometry

Container Type: Plastic Bottle

Molar Mass: 372.24 g/mol

Empirical Formula: C₁₀H₁₄N₂Na₂O₈ · 2H₂O
Linear Formula: C₁₀H₁₄N₂Na₂O₈ · 2H₂O

CAS Number: 6381-92-6
Bielstein Registry Number: 3900609
EC Number: 205-358-3

SPECIFICATIONS

Assay: 99.0 - 101.0 %
Loss on drying (150°C, 3h): max. 10 %
pH (5 %, 20°C): 4.0 - 5
pH (5 %, 25 °C): 4.0 - 6.0
Calcium (Ca): max. 0.001 %
Cadmium (Cd): max. 0.0005 %
Cobalt (Co): max. 0.0005 %
Chromium (Cr): max. 0.0005 %
Copper (Cu): max. 0.0002 %
Iron (Fe): max. 0.0005 %
Potassium (K): max. 0.005 %
Magnesium (Mg): max. 0.0005 %
Manganese (Mn): max. 0.0005 %
Nickel (Ni): max. 0.0005 %
Zinc (Zn): max. 0.0005 %
Heavy metals (as Pb): max. 0.0005 %
Chloride (Cl): max. 0.005 %
Sulfate (SO₄): max. 0.005 %
Nitrilotriacetic acid (HPLC): max. 0.1 %
Water insoluble matter: max. 0.005 %
Appearance of the solution: complying
Identity (IR): complying

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