1,1'-Diethyl-2,2'-cyanine Iodide 97%, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
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Danger
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Synonyms:
Decynium 22, Pseudoisocyanine Iodide
M-Clarity™ quality level = MQ100
323764-100MG
323764-500MG
323764-100MGEA
66
GBP
323764-100MG
323764-500MG
1,1'-Diethyl-2,2'-cyanine Iodide 97%, Sigma-Aldrich®
1,1'-Diethyl-2,2'-cyanine iodide
1,1′-Diethyl-2,2′-cyanine iodide has been used as an absorber in a method to correct the fluorescence excitation-emission matrix (EEM).
1,1′-Diethyl-2,2′-cyanine iodide is a quinocyanine dye. This photographic sensitizing dye is mainly used in silver halide photography. 1,1′-Diethyl-2,2′-cyanine iodide dye aggregation in dilute aqueous solution displays red and blue shifted absorption bands.
Formula:
C₂₃H₂₃IN₂ MW: 454,36 g/mol Melting Pt: 273 °C (dec., lit.) Storage Temperature: Room Temperature |
MDL Number:
MFCD00011971 CAS Number: 977-96-8 EINECS: 213-556-6 ADR: 6.1,2 |
Specification Test Results
Appearance (colour) | Dark red to very dark red and dark green to very dark green |
Appearance (form) | Powder or crystals |
Purity (TLC area %) | ≥97% |
Solubility (colour) | Dark red to very dark red |
Solubility (turbidity) | Clear to very slightly hazy |
Solubility (method) | 1%, dimethyl formamide:methanol (1:1) |
Carbon content | 58.6 - 62.9% |
Nitrogen content | 5.9 - 6.4% |
Infrared spectrum | Conforms to structure |
Wavelength (1) (UV) | 520 - 528 nm |
Molar absorbancy index (1) | ≥40000 |
Wavelength (2) (UV) | 487 - 495 nm |
Molar absorbancy index (2) | ≥25000 |
Solvent (UV) | E/E |
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