Patent Blue VF (Disulphine blue), pure indicator grade
Supplier: Thermo Scientific
Synonyms:
acid Blue1, Patent Blue, Patent Blue VF, Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt, Patent blue VF sodium salt
189410250
189411000
ACRO189410250EA
131
GBP
ACRO189410250
ACRO189411000
Patent Blue VF (Disulphine blue), pure indicator grade
Patent Blue VF (Disulphine blue)
Formula:
C₂₇H₃₁N₂NaO₆S₂ MW: 566,67 g/mol Melting Pt: 290 °C Storage Temperature: Ambient |
MDL Number:
MFCD00012119 CAS Number: 129-17-9 |
Specification Test Results
Appearance | Dark blue-green to dark purple Crystalline powder |
Infrared spectrum | Conforms |
UV spectrum | Complies |
Suitability | (as acid-base indicator) Passes test |
Specific optical rotation | -46° to -52° (20°C, 589 nm) (1% in DMSO) |
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