Description

1,3,3-Trimethyl-2-[2-(2-Methyl-1H-Indol-3-Yl)Vinyl]-3H-Indolium Acetate is a high-purity, functional indole-based dye intermediate and a key chemical building block. This compound is valued for its precise molecular structure, which is critical for synthesizing advanced materials with specific optical and electronic properties. It is primarily sought by manufacturers in the photographic, specialty dye, and advanced material research sectors for developing innovative products.

Application

• Photographic Sensitizer: A crucial component in the formulation of cyanine dyes used for spectral sensitization in silver halide photographic films and papers.
• Specialty Dye Synthesis: Serves as a key intermediate for the production of polymethine and cyanine dyes with applications in laser technology and non-linear optics.
• Optical Data Storage: Used in research and development of materials for recordable optical media (e.g., CD-R, DVD-R) due to its light-absorbing characteristics.
• Biomedical Staining: Potential use as a precursor for developing fluorescent probes and stains for biological imaging and diagnostic applications.
• Organic Semiconductor Research: Investigated as a building block for organic light-emitting diodes (OLEDs) and photovoltaic cells due to its conjugated system.
• Analytical Chemistry: Can be utilized as a standard or reagent in chromatographic analysis and method development for related compounds.

Basic Information

Product Name	1,3,3-Trimethyl-2-[2-(2-Methyl-1H-Indol-3-Yl)Vinyl]-3H-Indolium Acetate
CAS No.	72089-18-0
Molecular Formula	C24H26N2O2
Molecular Weight	374.48 g/mol
Synonyms	2-[2-(2-Methyl-1H-indol-3-yl)ethenyl]-1,3,3-trimethyl-3H-indolium acetate; 1,3,3-Trimethyl-2-[(1E)-2-(2-methyl-1H-indol-3-yl)ethenyl]-3H-indolium acetate; Cyanine dye intermediate; Trimethylindolenine cyanine dye acetate salt; Photographic cyanine dye; Astrazon Orange R base (related dye class); Basic Orange 21 analogue; C.I. 48035 base
EINECS	Contact for details

Quality Control

Our production of 1,3,3-Trimethyl-2-[2-(2-Methyl-1H-Indol-3-Yl)Vinyl]-3H-Indolium Acetate adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Every lot is analyzed against rigorous internal specifications using advanced techniques like HPLC and NMR. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 each use to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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