Indigo 95% (dye content), Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPYTotal Ratings: 0
Avg. Ratings: 0.0 out of 5
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Synonyms:
Vat Blue 1
, 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
, Indigotin
, Pigment Blue 66
, Indigo (synthetic)
, 2,2'-Bis(2,3-dihydro-3-oxoindolyliden)
M-Clarity™ quality level = MQ200
Indigo has been used as a dye to measure food consumption in drosophila. It has also been used to investigate the ability of fungal strains in the degradation and decolorisation of indigo dye.
Indigo is a rich blue color dye. It can be extracted from plants of genus indigofera and can also be produced synthetically. Indigo is a vat textile dye, widely used on cellulosic fibers like cotton. Additionally, it is also used to inhibit corrosion of mild steel in aerated sulfuric acid.
Formula:
C₁₆H₁₀N₂O₂ MW: 262.27 g/mol Melting Pt: >300 °C (lit.) Density: 1.35 g/cm³ (20 °C) Storage Temperature: Room Temperature |
MDL Number:
MFCD00005722 CAS Number: 482-89-3 EINECS: 207-586-9 Merck Index: 12,04977 |
Specification Test Results
Appearance (Form) | Powder |
Infrared spectrum | Conforms to Structure |
Wavelength in chloroform | 599 - 605 nm |
Extinction Coefficient | ≥8000 |
Wavelength | 282 - 288 nm |
Extinction Coefficient | ≥13500 |
Carbon | 68.9 - 77.7% |
Nitrogen | 10.0 - 11.3% |
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