Indigo carmine, pure, certified
Supplier: Thermo Scientific
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Warning
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Synonyms:
CI 73015, FD&C Blue #2, 5,5'-Indigodisulphonic acid, Disodium salt, Food blue No. 2, acid Blue 74, Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulphonate, FD and C Blue No. 2, Carmine Blue
412300250
412301000
ACRO412300250EA
81.7
GBP
ACRO412300250
ACRO412301000
Indigo carmine, pure, certified
Indigo carmine
Formula:
C₁₆H₈N₂Na₂O₈S₂ MW: 466,36 g/mol Melting Pt: ? 300 °C Storage Temperature: Ambient |
MDL Number:
MFCD00005723 CAS Number: 860-22-0 EINECS: 212-728-8 Merck Index: 13,04969 |
Specification Test Results
Appearance | Dark blue to purple Crystalline powder |
Infrared spectrum | Conforms |
Dye content | ≥80 % |
UV Lambda max | 608 to 612 nm |
Absorption Ratio P-15/P+15 | 0.98 to 1.07 |
BSC Certification | Passes |
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