Description

Sulforhodamine 101 Hydrate is a high-purity, water-soluble fluorescent dye belonging to the sulforhodamine family. This compound is valued for its exceptional brightness, high quantum yield, and excellent photostability, making it a superior choice for demanding fluorescence-based applications. It is primarily utilized by researchers and manufacturers in the life sciences, analytical chemistry, and material science sectors for labeling, detection, and imaging purposes.

Application

• Fluorescent Labeling and Staining: Used as a covalent label for proteins, antibodies, and other biomolecules in fluorescence microscopy and flow cytometry.
• Biological Imaging and Sensing: Employed in the development of fluorescent probes and sensors for detecting ions, small molecules, and enzymatic activity in live cells.
• Analytical Chemistry: Serves as a sensitive tracer or standard in capillary electrophoresis (CE) and high-performance liquid chromatography (HPLC) methods.
• Material Science Research: Incorporated into polymers, nanoparticles, and thin films to study material properties, energy transfer mechanisms, and as a dopant in laser dyes.
• Diagnostic Assay Development: Utilized in the formulation of reagents for clinical diagnostics and high-throughput screening (HTS) platforms.

Basic Information

Product Name	Sulforhodamine 101 Hydrate
CAS No.	123333-78-8
Molecular Formula	C₃₁H₃₁N₂O₆S₂ • xH₂O
Molecular Weight	606.72 g/mol (anhydrous basis)
Synonyms	Sulforhodamine 101; SR101; Texas Red-X; Sulforhodamine G; Acid Red 52; C.I. 45100; 2-[6-(Diethylamino)-3-(diethyliminio)-3H-xanthen-9-yl]-5-sulfobenzenesulfonate hydrate; 5(or 6)-Carboxy-2',7'-dichlorofluorescein
EINECS	Contact for details

Quality Control

Our Sulforhodamine 101 Hydrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment, spectroscopy for identity confirmation, and loss on drying. Certificates of Analysis (COA) detailing batch-specific results are provided to ensure traceability and compliance with your research and production requirements.

Storage

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

Specification

Item	Specification
Appearance	Dark red to purple powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0 %
Fluorescence Properties	λEx ~ 585 nm, λEm ~ 605 nm (in aqueous solution)

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