291331

1,1′-Diethyl-4,4′-cyanine iodide

• Empirical Formula (Hill Notation): C₂₃H₂₃IN₂
• CAS Number: 4727-49-5
• Molecular Weight: 454.35
• EC Number: 225-223-2
• MDL number: MFCD00151338
• UNSPSC Code: 12171500
• PubChem Substance ID: 24857527
• NACRES: NA.47

Properties

• form: powder or crystals
• Quality Level: 100
• mp: 280 °C (dec.) (lit.)
• ε (extinction coefficient): ≥75000 at 588-596 nm in ethanol at 0.003 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [I-].CCN1C=CC(=Cc2cc[n+](CC)c3ccccc23)c4ccccc14
• InChI: 1S/C23H23N2.HI/c1-3-24-15-13-18(20-9-5-7-11-22(20)24)17-19-14-16-25(4-2)23-12-8-6-10-21(19)23;/h5-17H,3-4H2,1-2H3;1H/q+1;/p-1
• InChI key: BFVPXROCOCTNOP-UHFFFAOYSA-M

Description

General description

1,1′-Diethyl-4,4′-cyanine iodide is a well-known photographic sensitizing dye. It belongs to the class of quinocyanine dyes and exhibits red and blue shifted absorption bands on aggregation. It is also known as 1-ethyl-4-[(1-ethyl-4(1H)-quinolinylidene) methyl] quinolinium iodide.

Application

1,1′-diethyl-4,4′-cyanine dye (DEC) is suitable for use in silver halide photography.

Safety Information

• pictograms: GHS06
• signalword: Danger
• hcodes: H301 + H311 + H331,H315,H319
• pcodes: P280 - P301 + P310 + P330 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2
• Storage Class: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges