Azomethine H sodium salt hydrate ~95%, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
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Warning
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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
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.
Formula:
C₁₇H₁₂NNaO₈S₂·xH₂O MW: 463,42 g/mol Storage Temperature: Room Temperature |
MDL Number:
MFCD00149588 CAS Number: 206752-32-1 EINECS: 227-698-1 |
Specification Test Results
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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