Description

Sulforhodamine G is a high-purity, water-soluble fluorescent dye belonging to the rhodamine family. This compound is valued for its excellent photostability and bright fluorescence, making it a critical tool for advanced research and diagnostics. It is primarily utilized by professionals in the life sciences, analytical chemistry, and material science sectors for labeling, detection, and imaging applications. Our supply ensures consistent quality and reliable performance for your most demanding protocols.

Application

• Fluorescent Labeling and Staining: Used as a fluorescent tracer or tag in biological assays, cell staining, and histology.
• Biomolecular Detection: Employed in the development of fluorescence-based sensors and probes for detecting various analytes.
• Analytical Research: Serves as a standard or reference compound in chromatography (e.g., HPLC) and spectroscopy methods.
• Material Science: Incorporated into polymers or nanoparticles to create fluorescent materials for optical applications.
• Flow Cytometry: Can be used as a fluorescent dye for particle or cell analysis in flow cytometry systems.
• Photophysical Studies: Ideal for research into fluorescence quenching, energy transfer, and other photochemical processes.

Basic Information

Product Name	Sulforhodamine G
CAS No.	5873-16-5
Molecular Formula	C27H29N2O7S2+
Molecular Weight	557.66 g/mol
Synonyms	Sulforhodamine G; Acid Red 52; C.I. 45100; Xylene Red B; Sulforhodamine B extra; Rhodamine S; 3',6'-Bis(diethylamino)-2-[(2-sulfophenyl)amino]spiro[isoindole-1,9'-xanthen]-3-one; 2-[6-(Diethylamino)-3-(diethyliminio)-3H-xanthen-9-yl]-5-sulfobenzoate
EINECS	227-525-7

Quality Control

Every batch of Sulforhodamine G is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the high-purity requirements for research and industrial use. A Certificate of Analysis (COA) detailing purity, identity, and other critical parameters is available for each lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Dark green to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0 %
Fluorescence Properties	λex ~530 nm, λem ~555 nm (in aqueous solution)

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