Azul de timol sal sódica water_ACS reagent grade 95% Dye, Sigma-Aldrich®

Proveedor: SIGMA ALDRICH MICROSCOPY

Sinónimos: S,S-Dióxido del hidrogeno-4,4'-(3H-2,1-benzoxatiol-3-iliden)bis[5-metil-2-(1-metiletil)fenolato] sodio

MQ200

861367-25G 861367-5G
861367-25GEA 148 EUR
861367-25G 861367-5G
Azul de timol sal sódica water_ACS reagent grade 95% Dye, Sigma-Aldrich®
Azul de timol sal sódica
Formula: C₂₇H₂₉NaO₅S
MW: 488.58 g/mol
Pto. de fusión: 283
Densidad: 1.19 g/cm³ (20 °C)
Temperatura de almacenaje: Room Temperature
Número MDL: MFCD00151093
Núm. CAS: 62625-21-2
EINECS: 263-650-6
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Resultados test especificaciones

Appearance (Colour) Conforms to Requirements
Red-Brown to Brown or Black
Appearance (Form) Powder to Crystalline Powder
Infrared spectrum Conforms to Structure
Wavelength 298 - 304 nm
Extinction Coefficient ≥11000
TLC Consistent With 95% Dye Content Conforms
Clarity of Solution Pass
Visual Interval
pH 1.2, Red/Pink
Pass
Visual Interval
pH 2.2, Orange
Pass
Visual Interval
pH 2.8, Yellow
Pass
Visual Interval
pH 8.0, Yellow
Pass
Visual Interval
pH 8.4, Green
Pass


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