Azomethine H sodium salt hydrate ~95%, Sigma-Aldrich®

Leverantör: SIGMA-ALDRICH MICROSCOPY
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Synonyms: Sodium 5-hydroxy-4-((2-hydroxybenzylidene)amino)-7-sulphonaphthalene-2-sulphonate xhydrate, Azomethine-H monosodium salt hydrate, 8-Hydroxy-1-(salicylideneamino)naphthalene-3,6-disulphonic acid 6-sodium salt hydrate, Sodium hydrogen 4-hydroxy-5-(salicylideneamino)naphthalene-2,7-disulphonate hydrate, Azomethine-H sodium hydrate

M-Clarity™ quality level = MQ200

A3144-1G A3144-25G A3144-5G
A3144-1GEA 629 SEK
A3144-1G A3144-25G A3144-5G
Azomethine H sodium salt hydrate ~95%, Sigma-Aldrich®
Azomethine H sodium salt hydrate

Azomethine-H is used as a color development agent. It is used for the determination of boron, mainly in soil samples. Azomethine-H monosodium salt hydrate has been used for the colorimetric determination of boron in soil and plants.

Formel: C₁₇H₁₂NNaO₈S₂·xH₂O
MW: 463,42 g/mol
Storage Temperature: Room Temperature
MDL Number: MFCD00149588
CAS nummer: 206752-32-1
EINECS: 227-698-1
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Specifikation testresultat

Appearance (Form) Powder
Appearance (Colour) Faint Yellow to Dark Yellow and Faint Orange to Dark Orange
Solubility (Solvent) 1N NaOH
Solubility (Conc) 49.00 - 51.00 mg/mL
Solubility (Turbidity) Clear to Hazy
Solubility (Colour) Faint Yellow to Dark Yellow and Faint Orange to Dark Orange
Purity (TLC) ≥ 95.00%
NMR (Solvent) D2O
Identity by NMR Consistent
NMR (Residual Solvent 1) E/E
NMR (% Solvent 1) ≤ 1.00%
NMR (Residual Solvent 2) Acetone
NMR (% Solvent 2) ≤ 0.50%
UV (Solvent) Water
UV (Lambda max 1) 235 - 239 nm

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