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Merck
CN

173754

3,3′-Diethylthiadicarbocyanine iodide

Dye content 98 %

Synonym(s):

3-Ethyl-2-[5-(3-ethyl-2(3H)-benzothiazolylidene)-1,3-pentadienyl]benzothiazolium iodide, DTDCI, DiSC2(5)

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About This Item

Empirical Formula (Hill Notation):
C23H23IN2S2
CAS Number:
514-73-8
Molecular Weight:
518.48
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
24850469
EC Number:
208-186-7
Beilstein/REAXYS Number:
3838938
MDL number:
MFCD00074829

Key Documents

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Product Name

3,3′-Diethylthiadicarbocyanine iodide, Dye content 98 %

InChI key

MNQDKWZEUULFPX-UHFFFAOYSA-M

InChI

1S/C23H23N2S2.HI/c1-3-24-18-12-8-10-14-20(18)26-22(24)16-6-5-7-17-23-25(4-2)19-13-9-11-15-21(19)27-23;/h5-17H,3-4H2,1-2H3;1H/q+1;/p-1

SMILES string

[I-].CCN1/C(Sc2ccccc12)=C\C=C\C=C\c3sc4ccccc4[n+]3CC

composition

Dye content, 98%

mp

249 °C (dec.) (lit.)

λmax

655 nm

Quality Level

100

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Application

DTDCi is used as;
  • Fluorescent contrast agent in three-dimensional fluorescence lifetime tomography.
  • Dye for rapid genetic screening.

Features and Benefits

High quantum yield of photoisomerisation and low triplet quantum yield at direct photoexcitation. Highly sensitive fluorescent dye.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 2 Oral - 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

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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Certificates of Analysis (COA)

Lot/Batch Number
SHBQ3632
SHBQ3838
SHBM4570
MKCJ6490
MKCD3416

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Photophysical processes of polymethine dyes. An absorption, emission, and optoacoustic study on 3, 3'-diethylthiadicarbocyanine iodide.
Bilmes GM, et al.
The Journal of Physical Chemistry, 93(18), 6696-6699 (1989)
Mengjia Xu et al.
Chembiochem : a European journal of chemical biology, 21(18), 2667-2675 (2020-04-19)
Peptide nucleic acids (PNAs), the synthetic DNA mimics that can bind to oligonucleotides to form duplexes, triplexes, and quadruplexes, could be advantageous as probes for nucleic acid sequences owing to their unique physicochemical and biochemical properties. We have found that
L Marcus Wilhelmsson et al.
Nucleic acids research, 30(2), E3-E3 (2002-01-15)
As the relationship between human genes and various malfunctions and diseases becomes revealed at an ever-increasing pace, the need arises for the development of rapid genetic screening methods for diagnostic purposes. Genetic diseases show great diversity. Some are caused by
Complex formation between 3; 3'-diethylthiacarbocyanine iodide and DNA and its investigation in aqueous solution
Anikovsky, M. Y., Tatikolov, A. S., & Kuzmin, V. A.
International Journal of Photoenergy, 1(1), 35-39 (1999)
Jiang Pi et al.
Materials science & engineering. C, Materials for biological applications, 103, 109777-109777 (2019-07-28)
Tuberculosis (TB), caused by M.tuberculosis (Mtb), has become a top killer among infectious diseases. Enhancing the ability of anti-TB drugs to kill intracellular Mtb in host cells remains a big challenge. Here, an innovative nano-system was developed to increase drug
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