Chlorantine fast red 5B 50% (dye content), Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
Synonyms:
Direct Red 81
M-Clarity™ quality level = MQ100
195251-100G
195251-25G
195251-100GEA
182
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 MW: 675,60 g/mol Melting Pt: 240 °C (dec., lit.) Storage Temperature: Room Temperature |
MDL Number:
MFCD00003949 CAS Number: 2610-11-9 EINECS: 220-028-9 |
Specification Test Results
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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