Description

5-Chloro-2-[2-[(5-Chloro-3-Ethyl-3H-Benzoxazol-2-Ylidene)Methyl]But-1-Enyl]-3-(3-Sulphonatopropyl)Benzoxazolium is a specialized, high-value benzoxazolium dye intermediate. This compound is critical for synthesizing advanced functional dyes with specific optical and electronic properties. It is primarily sought after by manufacturers in the photographic, optical data storage, and specialized textile dyeing industries for its ability to impart unique color characteristics and light sensitivity.

Application

• Photosensitizer in Silver Halide Photography: A key intermediate for cyanine-type spectral sensitizers used in color photographic films and papers.
• Optical Recording Media: Used in the synthesis of dyes for recordable compact discs (CD-R) and other optical data storage systems.
• Specialty Textile Dyes: Serves as a precursor for creating high-performance, light-fast dyes for synthetic fibers like polyester and nylon.
• Laser Dyes and Nonlinear Optical Materials: Utilized in research and development of materials for laser technology and photonic applications.
• Biological Staining: Potential use as a fluorescent probe or stain in biochemical and histological applications due to its benzoxazole core.
• Industrial Colorants: Intermediate for producing pigments and colorants used in inks, coatings, and plastics.

Basic Information

Product Name	5-Chloro-2-[2-[(5-Chloro-3-Ethyl-3H-Benzoxazol-2-Ylidene)Methyl]But-1-Enyl]-3-(3-Sulphonatopropyl)Benzoxazolium
CAS No.	63148-87-8
Molecular Formula	C23H23Cl2N2O4S
Molecular Weight	494.41 g/mol
Synonyms	5-Chloro-2-[2-[(5-chloro-3-ethyl-2(3H)-benzoxazolylidene)methyl]-1-butenyl]-3-(3-sulfopropyl)benzoxazolium hydroxide, inner salt; Cyanine dye intermediate 63148-87-8; Benzoxazolium, 5-chloro-2-[2-[(5-chloro-3-ethyl-2(3H)-benzoxazolylidene)methyl]-1-butenyl]-3-(3-sulfopropyl)-, inner salt; 3H-Benzoxazolium, 5-chloro-2-[2-[(5-chloro-3-ethyl-3H-benzoxazol-2-ylidene)methyl]-1-butenyl]-3-(3-sulfopropyl)-, inner salt; Sensitizing Dye Intermediate; Sulfoalkyl Benzoxazolium Dye
EINECS	Contact for details

Quality Control

Every batch of this high-purity intermediate is produced under strict quality management protocols. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, typically determined by HPLC, NMR, and mass spectrometry. Our quality system ensures traceability and consistency, meeting the stringent requirements of fine chemical and advanced material synthesis.

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 and should be handled under appropriate conditions to prevent degradation. Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to brown powder or crystals
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0 %
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.