Description

Sulforhodamine 101 is a high-purity, water-soluble xanthene dye renowned for its exceptional fluorescence properties. This compound is critical for advanced research and development, offering superior photostability and a high quantum yield for sensitive detection and quantification. It is an indispensable tool for scientists and engineers in the biotechnology, diagnostics, and materials science sectors who require reliable and consistent fluorescent markers.

Application

• Fluorescent Labeling and Staining: Used as a vital stain in cell biology for labeling cellular structures and in histology.
• Biomolecular Assays: Serves as a key fluorescent tracer or probe in high-throughput screening (HTS), ELISA, and other bioanalytical techniques.
• Laser Dye and Photonics: Employed as a gain medium in tunable dye lasers and in the development of optical sensors and photonic devices.
• Protein and Nucleic Acid Detection: Utilized for conjugating to antibodies, proteins, or oligonucleotides for fluorescence microscopy (FLIM) and flow cytometry.
• Materials Science Research: Incorporated into polymers, nanoparticles, and thin films to study energy transfer, environmental sensing, and material properties.
• In Vivo Imaging: Applied in preclinical research for non-invasive fluorescence imaging in animal models.

Basic Information

Product Name	Sulforhodamine 101
CAS No.	60311-02-6
Molecular Formula	C₃₁H₃₀N₂O₇S₂
Molecular Weight	606.71 g/mol
Synonyms	Sulforhodamine 101; SR101; Sulphorhodamine 101; Acid Red 52; C.I. 45100; Kiton Red 620; Xylene Red B; [2-[6-(Diethylamino)-3-(diethyliminio)-3H-xanthen-9-yl]-5-sulfophenyl]sulfonate; 3',6'-Bis(diethylamino)-2',7'-dimethylspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one 5',5''-disulfonate derivative
EINECS	262-189-4

Quality Control

Our Sulforhodamine 101 is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectroscopy for identity confirmation, and tests for residual solvents and heavy metals to ensure it meets the stringent requirements for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with your specifications.

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 and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Dark red to purple powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
λmax (Absorption)	580 - 590 nm
λmax (Emission)	600 - 610 nm
Loss on Drying	≤ 5.0 %
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm

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