1,1'-Diethyl-2,2'-cyanine Iodide 97%, Sigma-Aldrich®

Leverandør: SIGMA-ALDRICH MICROSCOPY
Danger


M-Clarity™ quality level = MQ100

323764-100MG 323764-500MG
323764-100MGEA 665 NOK
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.

Formel: C₂₃H₂₃IN₂
Smeltepunkt: 273 °C (dec., lit.)
Lagringstemperatur: Room Temperature
MDL nummer: MFCD00011971
CAS-nummer: 977-96-8
EINECS: 213-556-6
ADR: 6.1,II
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Spesifikasjon Testresultater

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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