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173754

Sigma-Aldrich

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
Beilstein:
3838938
EC Number:
208-186-7
MDL number:
MFCD00074829
UNSPSC Code:
12352103
PubChem Substance ID:
24850469
NACRES:
NA.23

composition

Dye content, 98%

Quality Level

100

mp

249 °C (dec.) (lit.)

λmax

655 nm

SMILES string

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

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

InChI key

MNQDKWZEUULFPX-UHFFFAOYSA-M

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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

Signal Word

Danger

Hazard Statements

H300,H315,H319,H335

Hazard Classifications

Acute Tox. 2 Oral - 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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

173754-1G:4548173986050
173754-VAR:
173754-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBQ3632
SHBQ3838
SHBM4570
MKCJ6490
MKCD3416

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3,3′-Dipropylthiacarbocyanine iodide 98%

Sigma-Aldrich

318434

3,3′-Dipropylthiacarbocyanine iodide

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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)
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Materials science & engineering. C, Materials for biological applications, 103, 109777-109777 (2019-07-28)
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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)
The effect of anionic, cationic and neutral surfactants on the photophysics and isomerization of 3, 3'-diethylthiacarbocyanine
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Physical Chemistry Chemical Physics, 3(19), 4325-4332 (2001)
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