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425311

Sigma-Aldrich

IR-780 iodide

Dye content ≥95 %

All Photos(2)
Synonym(s):
2-[2-[2-Chloro-3-[(1,3-dihydro-3,3-dimethyl-1-propyl-2H-indol-2-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-3,3-dimethyl-1-propylindolium iodide
Empirical Formula (Hill Notation):
C36H44ClIN2
CAS Number:
207399-07-3
Molecular Weight:
667.11
MDL number:
MFCD00191907
PubChem Substance ID:
24866626
NACRES:
NA.23

form

solid

Quality Level

100

composition

Dye content, ≥95%

mp

232-234 °C (lit.)

λmax

780 nm

SMILES string

[I-].CCCN1c2ccccc2C(C)(C)/C1=C\C=C3/CCCC(\C=C\C4=[N+](CCC)c5ccccc5C4(C)C)=C3Cl

InChI

1S/C36H44ClN2.HI/c1-7-24-38-30-18-11-9-16-28(30)35(3,4)32(38)22-20-26-14-13-15-27(34(26)37)21-23-33-36(5,6)29-17-10-12-19-31(29)39(33)25-8-2;/h9-12,16-23H,7-8,13-15,24-25H2,1-6H3;1H/q+1;/p-1

InChI key

IRPKBYJYVJOQHQ-UHFFFAOYSA-M

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544914642339390410
IR-780 iodide Dye content ≥95 %

Sigma-Aldrich

425311

IR-780 iodide

IR-775 chloride Dye content ~90 %

Sigma-Aldrich

544914

IR-775 chloride

IR-797 chloride Dye content 70 %

Sigma-Aldrich

642339

IR-797 chloride

3,3′-Diethylthiacyanine iodide Dye content ~97 %

Sigma-Aldrich

390410

3,3′-Diethylthiacyanine iodide

form

solid

form

solid

form

solid

form

powder or crystals

composition

Dye content, ≥95%

composition

Dye content, ~90%

composition

Dye content, 70%

composition

Dye content, ~97%

mp

232-234 °C (lit.)

mp

208-215 °C (lit.)

mp

116.7-128.0 °C (lit.)

mp

>300 °C (lit.)

λmax

780 nm

λmax

775 nm

λmax

797 nm in methanol

λmax

424 nm

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

General description

IR-780 iodide is a near-infrared lipophilic cation heptamethine fluorescent dye. It has a good fluorescent intensity and can be used as a photothermal therapy agent. It shows an optical absorption spectrum of 780 nm that makes it useful as a sonodynamic therapy agent for medical treatment.

Application

IR-780 based dyes can be potentially used in a biomedical application and drug delivery for tumor imaging and targeted therapy.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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