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Chlorantine fast red 5B 50% (dye content), Sigma-Aldrich®

Fornitore: SIGMA-ALDRICH MICROSCOPY

Synonyms: Direct Red 81

M-Clarity™ quality level = MQ100

195251-100G 195251-25G
195251-100GEA 175 EUR
195251-100G 195251-25G
Chlorantine fast red 5B 50% (dye content), Sigma-Aldrich®
Chlorantine fast red 5B

Direct Red 81, Dye content 50 % (DR 81; Disodium 7-benzamido-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate)


Bacterial consortium NBNJ6 has an ability to decolourise direct red 81 (DR81).

Formula: C₂₉H₂₁N₅O₈S₂
Peso molecolare: 675,60 g/mol
Punto di fusione: 240 °C (dec., lit.)
Temperatura di stoccaggio: Room Temperature
MDL Number: MFCD00003949
CAS Number: 2610-11-9
EINECS: 220-028-9

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Risultati del test di specificazione

Appearance (Colour) Dark Brown to Very Dark Brown and Red-Brown and Brown-Red
Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Wavelength 272 - 278 nm
Extinction Coefficient ≥10000
Extinction Coefficient, C = 0.01 g/L, H₂O ≥12000
Carbon 23.2 - 79.9%
Nitrogen 4.6 - 16.1%
TLC Consistent with Past Lots
Solubility (Colour), C = 0.1% in H₂O Dark Red to Very Dark Red

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