323764

1,1′-Diethyl-2,2′-cyanine iodide

97%

• Synonym(s): 1-Ethyl-2-[(1-ethyl-2(1H)-quinolinylidene)methyl]quinolinium iodide, Decynium 22, Pseudocyanine iodide, Pseudoisocyanine iodide
• Empirical Formula (Hill Notation): C₂₃H₂₃IN₂
• CAS Number: 977-96-8
• Molecular Weight: 454.35
• EC Number: 213-556-6
• MDL number: MFCD00011971
• UNSPSC Code: 12171500
• PubChem Substance ID: 24859413
• NACRES: NA.47

Properties

• Quality Level: 200
• Assay: 97%
• form: powder or crystals
• mp: 273 °C (dec.) (lit.)
• λmax: 524 nm
• ε (extinction coefficient): ≥25000 at 487-495 nm in ethanol
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [I-].CCN1\C(C=Cc2ccccc12)=C\c3ccc4ccccc4[n+]3CC
• InChI: 1S/C23H23N2.HI/c1-3-24-20(15-13-18-9-5-7-11-22(18)24)17-21-16-14-19-10-6-8-12-23(19)25(21)4-2;/h5-17H,3-4H2,1-2H3;1H/q+1;/p-1
• InChI key: GMYRVMSXMHEDTL-UHFFFAOYSA-M

Description

General description

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.

Application

1,1′-Diethyl-2,2′-cyanine iodide has been used as an absorber in a method to correct the fluorescence excitation-emission matrix (EEM).

Safety Information

• Pictograms: GHS06
• Signal Word: Danger
• Hazard Statements: H300 + H330,H312,H315,H319,H335
• Precautionary Statements: P260 - P264 - P280 - P302 + P352 + P312 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Acute Tox. 4 Dermal - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves