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291331

Sigma-Aldrich

1,1′-Diethyl-4,4′-cyanine iodide

Empirical Formula (Hill Notation):
C23H23IN2
CAS Number:
Molecular Weight:
454.35
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

Quality Level

form

powder or crystals

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

Related Categories

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.

Packaging

100 mg in glass bottle

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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