Description

2-Methyl-5-Phenyl-3-(3-Sulfopropyl)Benzoxazolium Hydroxide, Inner Salt is a specialized zwitterionic benzoxazolium derivative, recognized for its unique sulfobetaine structure. This compound is valued for its role as a key intermediate and functional material in advanced chemical synthesis and material science applications. It is primarily sought by research institutions and industrial manufacturers in the fields of specialty dyes, functional polymers, and advanced material coatings.

Application

• Fluorescent Dye & Probe Synthesis: Serves as a crucial precursor for developing sulfonated benzoxazolium-based fluorescent dyes and molecular probes used in bioimaging and diagnostics.
• Polymer & Material Science: Used as a monomer or additive to impart zwitterionic, hydrophilic, or dye-functionalized properties to polymers and advanced materials.
• Surface Modification Agent: Applied in the surface treatment of materials to enhance wettability, biocompatibility, or to create specific functional coatings.
• Chemical Intermediate: Acts as a key building block in organic synthesis for pharmaceuticals, agrochemicals, and other fine chemicals requiring the benzoxazolium moiety.
• Analytical Chemistry Reagent: Utilized in the development of chromogenic or fluorogenic reagents and sensors for analytical applications.

Basic Information

Product Name	2-Methyl-5-Phenyl-3-(3-Sulfopropyl)Benzoxazolium Hydroxide, Inner Salt
CAS No.	66142-15-2
Molecular Formula	C19H19NO4S
Molecular Weight	357.42 g/mol
Synonyms	3-(3-Sulfopropyl)-2-methyl-5-phenylbenzoxazolium Hydroxide, Inner Salt; 2-Methyl-5-phenyl-3-(3-sulfopropyl)benzoxazolium Betaine; 5-Phenyl-2-methyl-3-(3-sulfopropyl)benzoxazolium Inner Salt; SPB; Benzoxazolium, 2-methyl-5-phenyl-3-(3-sulfopropyl)-, hydroxide, inner salt
EINECS	Contact for details

Quality Control

Our production of 2-Methyl-5-Phenyl-3-(3-Sulfopropyl)Benzoxazolium Hydroxide, Inner Salt adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure consistency and meet precise customer requirements. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%

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