Description

Tetrabromorhodamine 123 is a highly fluorescent, brominated derivative of the classic rhodamine 123 dye. This compound matters for researchers and industrial developers requiring a photostable, red-shifted fluorescent probe with specific spectral properties. It is primarily needed by professionals in life sciences for advanced cellular imaging, as well as in materials science for the development of sensors and optoelectronic devices.

Application

• Fluorescent Staining and Probes: Used as a specific fluorescent marker for mitochondria and other cellular components in biological research.
• Flow Cytometry and Cell Sorting: Serves as a vital dye for analyzing and isolating cell populations based on fluorescence intensity.
• Confocal and Super-Resolution Microscopy: Provides high-contrast imaging for detailed subcellular structure analysis due to its photostability.
• Biochemical Assays: Employed in fluorescence-based assays to monitor enzymatic activity, membrane potential, and apoptosis.
• Materials Science Research: Investigated for use in developing fluorescent sensors, light-harvesting systems, and organic light-emitting diodes (OLEDs).
• Photodynamic Therapy (PDT) Research: Studied as a potential photosensitizer candidate for targeted cancer treatments.

Basic Information

Product Name	Tetrabromorhodamine 123
CAS No.	83796-96-7
Molecular Formula	C21H17Br4N2O3
Molecular Weight	705.89 g/mol
Synonyms	Rhodamine 123, Tetrabromo; Tetrabromorhodamine-123; 2-(6-Amino-3-imino-3H-xanthen-9-yl)benzoic acid tetrabromo derivative; 3',6'-Bis(diethylamino)-2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate; TB-Rh 123; TBR123; Tetrabromo Rhodamine 123
EINECS	Contact for details

Quality Control

Our Tetrabromorhodamine 123 is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, absorbance/fluorescence profiles, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark red to purple powder
Identification (HPLC/UV-Vis)	Conforms
Purity (HPLC)	≥ 95%
Absorption Maximum (λmax)	~510-530 nm
Emission Maximum	~535-560 nm
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.