Azométhine H sel de sodium hydraté ~95%, Sigma-Aldrich®
Marques : SIGMA ALDRICH MICROSCOPYTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
Hydrogéno-4-hydroxy-5-(salicylidèneamino)naphtalène-2,7-disulfonate de sodium hydraté
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.
Formule:
C₁₇H₁₂NNaO₈S₂·xH₂O Poids moléculaire: 463.42 g/mol Température de stockage: Room Temperature |
Numéro MDL:
MFCD00149588 Numéro CAS: 206752-32-1 EINECS: 227-698-1 |
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Résultats des tests de spécification
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) | Ethanol |
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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