EDTA disodium salt dehydrate, For HPLC, =99.0%

Name: EDTA disodium salt dihydrate
Synonymns: Disodium ethylenediaminetetraacetate dihydrate; EDTA disodium salt; EDTA-Na₂; Edathamil; Edetate disodium salt dihydrate; Sequestrene Na₂
Description: for HPLC, ≥99.0%

Container Type: Glass Bottle

Molar Mass: 372.24 g/mol

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

CAS Number: 6381-92-6
Bielstein Registry Number: 3900609
RTECS Number: 205-358-3
UNSPSC Code: AH4410000

SPECIFICATIONS

Assay: 99.0 - 101.0 %
Suitability test (HPLC): complying
Colour of the solution: complying
Clearness of the solution: complying
Absorbance at 500 nm: max. 0.02
Absorbance at 290 nm: max. 0.02
Absorbance at 280 nm: max. 0.03
Absorbance at 270 nm: max. 0.05
Absorbance at 260 nm: max. 0.15
Aluminium (Al): max. 5 ppm
Barium (Ba): max. 5 ppm
Bismuth (Bi): max. 5 ppm
Calcium (Ca): max. 10 ppm
Cadmium (Cd): max. 5 ppm
Cobalt (Co): max. 5 ppm
Chromium (Cr): max. 5 ppm
Copper (Cu): max. 5 ppm
Iron (Fe): max. 5 ppm
Potassium (K): max. 50 ppm
Lithium (Li): max. 5 ppm
Magnesium (Mg): max. 5 ppm
Manganese (Mn): max. 5 ppm
Molybdenum (Mo): max. 5 ppm
Nickel (Ni): max. 5 ppm
Lead (Pb): max. 5 ppm
Strontium (Sr): max. 5 ppm
Zinc (Zn): max. 5 ppm
Total S (as SO₄): max. 50 ppm
Chloride (Cl): max. 50 ppm

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