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

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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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