Description

3-Ethyl-2-[4-(Phenylamino)Buta-1,3-Dienyl]-5-Sulphonatobenzoxazolium is a specialized organic salt featuring a benzoxazolium core functionalized with a sulfonate group and a conjugated dienyl-phenylamino substituent. This unique molecular structure is engineered to provide excellent water solubility and strong chromophoric properties, making it a valuable intermediate for advanced applications. It is primarily sought by manufacturers and researchers in the dye and pigment, specialty chemical, and advanced material synthesis sectors.

Application

• Synthesis of Reactive Dyes and Fluorescent Probes: Acts as a key intermediate for creating water-soluble, high-performance dyes for textiles and biological labeling.
• Advanced Material Development: Used in the research and production of functional polymers and organic electronic materials due to its conjugated system.
• Photographic Sensitizers: Serves as a potential component in the formulation of light-sensitive layers for specialized photographic films.
• Analytical Chemistry Reagents: Employed as a chromogenic agent or a standard in spectroscopic analysis and method development.
• Laser Dye Precursor: Utilized in the synthesis of compounds for tunable dye lasers and other photonic applications.

Basic Information

Product Name	3-Ethyl-2-[4-(Phenylamino)Buta-1,3-Dienyl]-5-Sulphonatobenzoxazolium
CAS No.	63149-00-8
Molecular Formula	C21H21N2O4S
Molecular Weight	397.47 g/mol
Synonyms	5-Sulfo-3-ethyl-2-[4-(phenylamino)-1,3-butadienyl]benzoxazolium; Benzoxazolium, 3-ethyl-2-[4-(phenylamino)-1,3-butadienyl]-5-sulfo-; 3-Ethyl-2-[4-(anilino)-1,3-butadienyl]-5-sulfobenzoxazolium; C.I. 48015; Sulforhodamine B intermediate; Water-soluble benzoxazolium dye intermediate; 2-[4-(Phenylamino)-1,3-butadien-1-yl]-3-ethyl-5-sulfobenzoxazolium
EINECS	Contact for details

Quality Control

Our production of 3-Ethyl-2-[4-(Phenylamino)Buta-1,3-Dienyl]-5-Sulphonatobenzoxazolium adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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). This compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to minimize exposure to atmospheric humidity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystals
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.