Description

3-Ethyl-2-(2-[(3-Ethyl-5-Phenyl-2(3H)-Benzoxazolinylidene) Methyl]-1-Butenyl )-5-Phenyl Benzoxazolium Ethyl Sulfate is a specialized cationic dye intermediate belonging to the benzoxazolium class, valued for its strong light-absorbing properties and structural versatility. This compound is critical for synthesizing advanced colorants and functional materials where precise molecular architecture is required. It serves the needs of research institutions and industrial manufacturers in the dyes and pigments, optical materials, and specialty chemical synthesis sectors.

Application

• Synthesis of Cationic Dyes: A key intermediate for producing cationic dyes used in textile, paper, and leather industries.
• Optical Materials: Used in the development of non-linear optical (NLO) materials, laser dyes, and fluorescent markers.
• Photographic Sensitizers: Functions as a spectral sensitizer in silver halide photographic emulsions.
• Research & Development: Serves as a building block in organic synthesis for novel heterocyclic compounds and functional materials.
• Liquid Crystal Displays (LCDs): Potential application in the synthesis of dyes for guest-host LCD technology.
• Biomedical Staining: Investigated for use in specific histological staining applications due to its cationic nature.

Basic Information

Product Name	3-Ethyl-2-(2-[(3-Ethyl-5-Phenyl-2(3H)-Benzoxazolinylidene) Methyl]-1-Butenyl )-5-Phenyl Benzoxazolium Ethyl Sulfate
CAS No.	41503-61-1
Molecular Formula	C30H30N2O5S
Molecular Weight	530.64 g/mol
Synonyms	3-Ethyl-2-[2-[(3-ethyl-5-phenyl-2(3H)-benzoxazolylidene)methyl]-1-butenyl]-5-phenylbenzoxazolium ethyl sulfate; 2-[2-[(3-Ethyl-5-phenyl-2(3H)-benzoxazolylidene)methyl]-1-butenyl]-3-ethyl-5-phenylbenzoxazolium ethyl sulfate; Benzoxazolium, 3-ethyl-2-[2-[(3-ethyl-5-phenyl-2(3H)-benzoxazolylidene)methyl]-1-butenyl]-5-phenyl-, ethyl sulfate; Cationic Dye Intermediate 41503-61-1; Ethyl Sulfate Salt of Benzoxazolium Dye; NK-2015 (potential trade name); Astrazon Orange G Base analogue (related class).
EINECS	Contact for details

Quality Control

Our production of 3-Ethyl-2-(2-[(3-Ethyl-5-Phenyl-2(3H)-Benzoxazolinylidene) Methyl]-1-Butenyl )-5-Phenyl Benzoxazolium Ethyl Sulfate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and spectrophotometry for color value assessment. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability, batch-to-batch consistency, and compliance with your technical requirements.

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). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, handling should be conducted under subdued lighting where practical.

Specification

Item	Specification
Appearance	Orange to red-brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Specific Absorbance	Contact for details

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