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323764

Sigma-Aldrich

1,1′-Diethyl-2,2′-cyanine iodide

97%

Sinónimos:

1-Ethyl-2-[(1-ethyl-2(1H)-quinolinylidene)methyl]quinolinium iodide, Decynium 22, Pseudocyanine iodide, Pseudoisocyanine iodide

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About This Item

Fórmula empírica (notación de Hill):
C23H23IN2
Número de CAS:
977-96-8
Peso molecular:
454.35
EC Number:
213-556-6
MDL number:
MFCD00011971
UNSPSC Code:
12171500
PubChem Substance ID:
24859413
NACRES:
NA.47

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

Categorías relacionadas

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).

pictograms

Skull and crossbones
GHS06

signalword

Danger

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

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
BCCL2935
BCCH9380
BCCG3271
BCCB4877
BCBZ6576

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Pseudo-isocyanine chloride (PIC) is a cationic dyestuff that exhibits self-assembly in aqueous solution, promoted either by increasing the PIC concentration or by decreasing the temperature. PIC-aggregates exhibit a characteristic and sharp absorption band as well as a fluorescence band at
F Martel et al.
Naunyn-Schmiedeberg's archives of pharmacology, 363(1), 40-49 (2001-02-24)
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Benjamin Dietzek et al.
Physical review letters, 97(25), 258301-258301 (2007-02-07)
We report on adaptive feedback control of photoinduced barrierless isomerization of 1,1'-diethyl-2,2'-cyanine in solution. We compare the effect of different fitness parameters and show that optimal control of the absolute yield of isomerization (photoisomer concentration versus excitation photons) can be
The structure of 1, 1'-diethyl-2, 2'-cyanine iodide, a photographic sensitizing dye
Nakatsu K, et al.
Acta Crystallographica Section B, Structural Crystallography and Crystal Chemistry, 33(7), 2181-2188 (1977)
R Monteiro et al.
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