Skip to Content
Merck
All Photos(1)

Documents

Safety Information

543365

Sigma-Aldrich

IR-820

Dye content 80 %

Synonym(s):

2-[2-[2-Chloro-3-[[1,3-dihydro-1,1-dimethyl-3-(4-sulfobutyl)-2H-benzo[e]indol-2-ylidene]-ethylidene]-1-cyclohexen-1-yl]-ethenyl]-1,1-dimethyl-3-(4-sulfobutyl)-1H-benzo[e]indolium hydroxide inner salt, sodium salt, New Indocyanine Green

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C46H50ClN2NaO6S2
CAS Number:
172616-80-7
Molecular Weight:
849.47
MDL number:
MFCD04038859
UNSPSC Code:
12352103
PubChem Substance ID:
57651466
NACRES:
NA.23

composition

Dye content, 80%

mp

>300 °C (lit.)

λmax

820 nm

SMILES string

[Na+].CC1(C)\C(=C\C=C2/CCCC(\C=C\C3=[N+](CCCCS([O-])(=O)=O)c4ccc5ccccc5c4C3(C)C)=C2Cl)N(CCCCS([O-])(=O)=O)c6ccc7ccccc7c16

InChI

1S/C46H51ClN2O6S2.Na/c1-45(2)40(48(28-9-11-30-56(50,51)52)38-24-20-32-14-5-7-18-36(32)42(38)45)26-22-34-16-13-17-35(44(34)47)23-27-41-46(3,4)43-37-19-8-6-15-33(37)21-25-39(43)49(41)29-10-12-31-57(53,54)55;/h5-8,14-15,18-27H,9-13,16-17,28-31H2,1-4H3,(H-,50,51,52,53,54,55);/q;+1/p-1

InChI key

RANIQVAJHXBIAY-UHFFFAOYSA-M

Related Categories

General description

IR-820 is an indocyanine dye, which has a broad absorption band at 690 nm in aqueous solution. It is a near infrared dye (NIR) with a molar absorptivity of 72 x 104 dm3mol−1cm−1.

Application

IR-820 is a cost-effective imaging agent with low cytotoxicity. It can be used for image guided photothermal therapy for the treatment of cancer. It is also used as a contrasting agent for the detection and quantification of infected tissues in animals.

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

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.

JAN Code

543365-1G:
543365-VAR:
543365-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 2

1 of 2

Cardiogreen polymethine dye

Sigma-Aldrich

I2633

Cardiogreen

Cardiogreen for microscopy

Sigma-Aldrich

21980

Cardiogreen

Near-infrared imaging of injured tissue in living subjects using IR-820
Prajapati SI, et al.
Molecular Imaging, 8(1), 7290-2009 (2009)
SERS characterization of the indocyanine-type dye IR-820 on gold and silver nanoparticles in the near infrared
Neves TBV and Andrade GFS
Journal of Spectroscopy (New York, NY, United States), 2015 (2015)
IR 820 stabilized multifunctional polycaprolactone glycol chitosan composite nanoparticles for cancer therapy
Kumar P and Srivastava R
Royal Society of Chemistry Advances, 5(69), 56162-56170 (2015)
Xia Dong et al.
Biomaterials, 209, 111-125 (2019-04-30)
As synergistic photothermal immunotherapy has developed as one of the most attractive strategies for cancer therapy, it is crucial to design an effective photothermal immunotherapy system to enhance the synergistic anti-tumor effect and reveal the essential role of each treatment.
IR 820 dye encapsulated in polycaprolactone glycol chitosan: Poloxamer blend nanoparticles for photo immunotherapy for breast cancer
Kumar P and Srivastava R
Materials Science and Engineering, C, 57(69), 321-327 (2015)
View All Related Papers

Articles

Graphene in Biotechnology

Graphene is the building block for carbon nanomaterials with different dimensionalities.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service