Description
NIR-792 heptamethine cyanine PF6 is a polymethine dye with CAS number 2389016-98-0 and empirical formula C₄₇H₅₂F₆N₃O₂P. Its absorption maximum in methanol is 792 nm and the molar mass is 835,92 g/mol, defining a near-infrared heptamethine chromophore for laboratory dye applications. The material is As a PF6 salt, it is intended for use where this counterion and the stated NIR absorption band are specified in experimental or analytical procedures. Documented parameters—CAS registry number, molar mass, empirical formula and methanol absorption maximum—help laboratories integrate the dye into controlled workflows. Classed among dyes and pigments and within polymethine dyes, NIR-792 suits research settings that need a heptamethine cyanine with hexafluorophosphate counterion. The product is available from manufacturer Carl ROTH
This article is part of Photometers & spectrophotometers, in Spectroscopy & photometry.
Key features
- CAS number: 2389016-98-0
- Pack sizes: 1 g, 5 g, 10 g
- Empirical formula: C₄₇H₅₂F₆N₃O₂P
- Molar mass: 835,92 g/mol
- Absorption maximum (MeOH): 792 nm
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
Warning
Hazard Statements (H-Phrases)
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Questions about S 2593 - FEW Chemicals, 792 nm in MeOH, 1 g, glass
What is this article?
S 2593 - FEW Chemicals, 792 nm in MeOH, 1 g, glass is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Photometers & spectrophotometers, inside Spectroscopy & photometry, in Lab instruments.
A photometer reads absorbance at one or a few wavelengths. A spectrophotometer scans or selects many. Both send light through a cuvette or a well. The wavelength range, UV or visible, and the bandwidth decide what can be measured. A visible-only instrument cannot read a nucleic acid at 260 nm.
A photometer or spectrophotometer sends light through a sample and reads how much was absorbed. In the range where the Beer–Lambert relation holds, absorbance tracks concentration. A refractometer reads how a liquid bends light, which tracks dissolved solids. A polarimeter reads the rotation of polarised light, the classical measurement for sugars. The lamp, the wavelength and the cuvette path length are the three things that have to be right before the number means anything. The optical quantities trace to NIST and the BIPM.
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