Description

1-Ethyl-2,3,3-Trimethyl-5-(Phenylsulphonyl)-3H-Indolium Iodide is a specialized indolium salt derivative, recognized for its role as a key synthetic intermediate and functional dye precursor. This compound matters for its ability to impart specific photophysical and electronic properties in advanced materials. It is primarily needed by research institutions and industrial manufacturers in the fields of organic electronics, photoresist formulation, and specialty chemical synthesis.

Application

• Organic Semiconductor Synthesis: Serves as a crucial building block for creating charge-transport materials and light-emitting components.
• Photoresist and Photoinitiator Formulation: Used in the development of advanced photoresists for microelectronics and printing plate manufacturing.
• Functional Dye Intermediate: Acts as a precursor for synthesizing cyanine and other cationic dyes used in biological staining and imaging.
• Nonlinear Optical (NLO) Materials: Investigated for use in the development of materials with specific light-modulating properties.
• Academic and Industrial R&D: Employed in chemical research for studying reaction mechanisms and developing novel heterocyclic compounds.
• Specialty Chemical Manufacturing: Utilized as an intermediate for producing custom fine chemicals with specific ionic or chromophoric characteristics.

Basic Information

Product Name	1-Ethyl-2,3,3-Trimethyl-5-(Phenylsulphonyl)-3H-Indolium Iodide
CAS No.	55203-51-5
Molecular Formula	C20H24INO2S
Molecular Weight	477.38 g/mol
Synonyms	5-(Phenylsulfonyl)-1-ethyl-2,3,3-trimethyl-3H-indolium iodide; 1-Ethyl-2,3,3-trimethyl-5-(phenylsulfonyl)indoleninium iodide; 3H-Indolium, 1-ethyl-2,3,3-trimethyl-5-(phenylsulfonyl)-, iodide; Indolium salt 55203-51-5; ETMPI; Phenylsulfonyl indolium iodide derivative
EINECS	Contact for details

Quality Control

Our 1-Ethyl-2,3,3-Trimethyl-5-(Phenylsulphonyl)-3H-Indolium Iodide is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with research-grade specifications. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and spectral data is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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 orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 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.