Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

642339

Sigma-Aldrich

IR-797 chloride

Dye content 70 %

Synonym(s):

2-[2-[2-Chloro-3-[2-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-ethylidene]-1-cyclopenten-1-yl]-ethenyl]-1,3,3-trimethyl-3H-indolium chloride

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C31H34Cl2N2
CAS Number:
110992-55-7
Molecular Weight:
505.52
MDL number:
MFCD03427060
UNSPSC Code:
12352103
PubChem Substance ID:
24883185
NACRES:
NA.23

form

solid

composition

Dye content, 70%

mp

116.7-128.0 °C (lit.)

λmax

797 nm in methanol

SMILES string

[Cl-].CN1c2ccccc2C(C)(C)\C1=C\C=C3/CCC(\C=C\C4=[N+](C)c5ccccc5C4(C)C)=C3Cl

InChI

1S/C31H34ClN2.ClH/c1-30(2)23-11-7-9-13-25(23)33(5)27(30)19-17-21-15-16-22(29(21)32)18-20-28-31(3,4)24-12-8-10-14-26(24)34(28)6;/h7-14,17-20H,15-16H2,1-6H3;1H/q+1;/p-1

InChI key

OATKVFFCVUJOEX-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Features and Benefits

Solvent soluble, laser and near-IR dye

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBN7412
SHBL0818
SHBL0819
MKCH3092
MKCH3427

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

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