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405124

Sigma-Aldrich

IR-1061

Dye content 80 %

Synonym(s):

4-[2-[2-Chloro-3-[(2,6-diphenyl-4H-thiopyran-4-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-2,6-diphenylthiopyrylium tetrafluoroborate

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About This Item

Empirical Formula (Hill Notation):
C44H34ClS2 · BF4
CAS Number:
Molecular Weight:
749.13
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

form

powder

Quality Level

composition

Dye content, 80%

mp

222 °C (dec.) (lit.)

λmax

1051-1065 nm in methylene chloride

storage temp.

−20°C

SMILES string

F[B-](F)(F)F.ClC1=C(CCC\C1=C\C=C2/C=C(SC(=C2)c3ccccc3)c4ccccc4)\C=C\c5cc([s+]c(c5)-c6ccccc6)-c7ccccc7

InChI

1S/C44H34ClS2.BF4/c45-44-38(26-24-32-28-40(34-14-5-1-6-15-34)46-41(29-32)35-16-7-2-8-17-35)22-13-23-39(44)27-25-33-30-42(36-18-9-3-10-19-36)47-43(31-33)37-20-11-4-12-21-37;2-1(3,4)5/h1-12,14-21,24-31H,13,22-23H2;/q+1;-1

InChI key

QRLZQHNDSCIJTI-UHFFFAOYSA-N

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Application

  • Transmissible H-aggregated NIR-II Fluorophore: This study developed a transmissible H-aggregated NIR-II fluorophore that targets tumor cell membranes, enhancing photothermal therapy and synergistic cancer treatment. It detailed the fluorescence spectra and molecular dynamics of IR-1061 (H Yu, Y Wang, Y Chen, M Cui, F Yang, P Wang, M Ji, 2023).
  • Deep Tissue in Vivo Imaging: Research on over-1000 nm near-infrared fluorescent biodegradable polymer nanoparticles for deep tissue in vivo imaging in the second biological window, using IR-1061 encapsulated into micelles (M Kamimura, S Takahiro, M Yoshida, Y Hashimoto, 2017).
  • NIR-II Fluorescent Nanosystem: The study involved the rational design of a NIR-II fluorescent nanosystem, maximizing fluorescence performance for medical applications, utilizing IR-1061 in liposomes (H Yu, Y Wang, Y Chen, M Ji, 2021).

Features and Benefits

Q-switching IR laser dye.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Gil Yeroslavsky et al.
Biomaterials science, 8(8), 2245-2254 (2020-03-05)
One of the most commonly used near infrared (NIR) dyes is indocyanine green (ICG), which has been extensively used for NIR bioimaging, photothermal and photodynamic therapy. However, upon excitation this dye can react with molecular oxygen to form singlet oxygen
Babenko, V.A. et al.
Kvantovaya Elektronica, 7, 1796-1796 (1980)
Penakofer, A.
Journal of Physics D: Applied Physics, 46, 43-43 (1988)

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