Description

2-[2-(2,3-Dihydro-5-Methoxy-2,3,3-Trimethyl-1H-Indol-1-Yl)Vinyl]-1,3,3-Trimethyl-3H-Indolium Acetate CAS NO 83949-82-0 is a specialized indolium-based salt, a key intermediate in the synthesis of advanced functional dyes and pigments. This compound is valued for its role in creating materials with specific optical and electronic properties, such as near-infrared absorption and fluorescence. It is primarily utilized by manufacturers in the photographic, optical data storage, and specialty chemical industries for research and high-tech applications.

Application

• Photosensitizer and Dye Intermediate: A critical building block for synthesizing cyanine and polymethine dyes used in photographic films and optical recording media (e.g., CD-R, DVD-R).
• Laser and NIR-Absorbing Materials: Used in the development of compounds for laser applications, optical filters, and materials that absorb in the near-infrared region.
• Biomedical Imaging Probes: Serves as a precursor for fluorescent labels and contrast agents in biological and diagnostic research.
• Nonlinear Optical (NLO) Materials: Employed in research for creating organic materials with specific electro-optical properties for photonic devices.
• Organic Semiconductor Research: Investigated as a component in the development of organic light-emitting diodes (OLEDs) and other electronic materials.
• Analytical Chemistry Reagent: Used as a standard or reagent in chromatographic analysis and method development for related dye compounds.

Basic Information

Product Name	2-[2-(2,3-Dihydro-5-Methoxy-2,3,3-Trimethyl-1H-Indol-1-Yl)Vinyl]-1,3,3-Trimethyl-3H-Indolium Acetate
CAS No.	83949-82-0
Molecular Formula	C27H34N2O3
Molecular Weight	434.57 g/mol
Synonyms	1,3,3-Trimethyl-2-[2-(5-methoxy-2,3,3-trimethyl-3H-indol-1-ium-1-yl)vinyl]-3H-indolium acetate; 2-[2-(5-Methoxy-2,3,3-trimethyl-3H-indol-1-ium-1-yl)vinyl]-1,3,3-trimethyl-3H-indolium acetate; Cyanine dye intermediate; Indolium salt; 1H-Indolium, 2-[2-(2,3-dihydro-5-methoxy-2,3,3-trimethyl-1H-indol-1-yl)ethenyl]-1,3,3-trimethyl-, acetate (1:1); 83949-82-0; Acetate salt of a heptamethine cyanine precursor.
EINECS	Contact for details

Quality Control

Our production of 2-[2-(2,3-Dihydro-5-Methoxy-2,3,3-Trimethyl-1H-Indol-1-Yl)Vinyl]-1,3,3-Trimethyl-3H-Indolium Acetate adheres to stringent internal quality standards to ensure batch-to-batch consistency and purity for sensitive applications. 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-green crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.