Description

2-Methyl-5-Phenyl-3-(3-Sulphonatobutyl)Benzoxazolium is a specialized organic salt featuring a benzoxazolium core functionalized with a phenyl group and a sulfonated butyl side chain. This unique molecular structure makes it a valuable intermediate and functional component in advanced material science and specialty chemical synthesis. It is primarily sought after by research institutions and industrial manufacturers developing high-performance dyes, photoinitiators, and functional polymers.

Application

• As a key intermediate in the synthesis of near-infrared (NIR) fluorescent dyes and probes for bioimaging and sensor applications.
• In the production of photoinitiators and sensitizers for UV-curable coatings, inks, and adhesives.
• As a functional monomer or additive for modifying the properties of specialty polymers and engineering plastics.
• In organic electronic materials research for potential use in OLEDs or photovoltaic cells.
• As a catalyst or phase-transfer agent in specific organic synthesis reactions.
• For the development of analytical reagents and chromogenic agents used in detection systems.

Basic Information

Product Name	2-Methyl-5-Phenyl-3-(3-Sulphonatobutyl)Benzoxazolium
CAS No.	51981-34-1
Molecular Formula	C18H19NO4S
Molecular Weight	345.41 g/mol
Synonyms	3-(3-Sulfonatobutyl)-2-methyl-5-phenylbenzoxazolium; 2-Methyl-5-phenyl-3-(3-sulfobutyl)benzoxazolium; Benzoxazolium, 2-methyl-5-phenyl-3-(3-sulfobutyl)-, inner salt; 51981-34-1; 3-(3-Sulfobutyl)-2-methyl-5-phenylbenzoxazolium; 2-Methyl-5-phenyl-3-(3-sulfonatobutyl)benzoxazolium hydroxide, inner salt
EINECS	Contact for details

Quality Control

Our production of 2-Methyl-5-Phenyl-3-(3-Sulphonatobutyl)Benzoxazolium adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced spectroscopic and chromatographic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 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 brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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