Description

1-Ethyl-2,3,3-Trimethylindolenium Iodide is a versatile and high-value quaternary ammonium salt, serving as a critical intermediate in advanced organic synthesis. Its primary commercial value lies in its role as a key precursor for synthesizing cyanine dyes, which are essential for a wide range of high-tech applications. This compound is particularly vital for manufacturers and R&D departments in the photochemical, biomedical imaging, and optical materials sectors.

Application

• Cyanine Dye Synthesis: Acts as a fundamental building block for producing near-infrared (NIR) and heptamethine cyanine dyes used in bioimaging and diagnostics.
• Photosensitizer Production: Utilized in the manufacture of sensitizers for photographic films, printing plates, and photodynamic therapy agents.
• Optical Material Research: Serves as a precursor for developing non-linear optical (NLO) materials and laser dyes.
• Labeling Reagents: Key intermediate for creating fluorescent labeling compounds for proteins, nucleic acids, and other biomolecules.
• Organic Semiconductor Development: Used in research for synthesizing organic charge-transfer complexes and conductive materials.
• Academic & Industrial R&D: Essential for chemical research in heterocyclic chemistry and the development of novel functional dyes.

Basic Information

Product Name	1-Ethyl-2,3,3-Trimethylindolenium Iodide
CAS No.	14134-81-7
Molecular Formula	C₁₃H₁₈IN
Molecular Weight	315.19 g/mol
Synonyms	1-Ethyl-2,3,3-trimethyl-3H-indol-1-ium iodide; 2,3,3-Trimethyl-1-ethylindoleninium iodide; 1-Ethyl-2,3,3-trimethylindoleninium iodide; Indolenium, 1-ethyl-2,3,3-trimethyl-, iodide; Fischer's Base Ethyl Iodide Salt; ETMI
EINECS	Contact for details

Quality Control

Our 1-Ethyl-2,3,3-Trimethylindolenium Iodide is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the exacting standards required for sensitive synthesis applications. A Certificate of Analysis (COA) detailing all specifications 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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