Description

1,3,3-Trimethyl-2-[2-(2-Methyl-1H-Indol-3-Yl)Vinyl]-3H-Indolium Dihydrogen Phosphate is a high-purity, functional indole-based dye intermediate and chemical building block. This compound is valued for its precise molecular structure, which is critical for advanced applications in photonics and life sciences. It is primarily sought by manufacturers and research institutions in the photographic, laser dye, and specialty chemical synthesis sectors for developing next-generation materials.

Application

• Photographic Sensitizers: A key intermediate in the synthesis of cyanine dyes used for spectral sensitization in silver halide photographic films and plates.
• Laser Dye Precursor: Serves as a fundamental building block for producing near-infrared (NIR) absorbing and fluorescent dyes used in tunable dye lasers and optical applications.
• Optical Data Storage Materials: Used in research and development of advanced dyes for recordable media (e.g., CD-R, DVD-R) due to its light-absorbing properties.
• Biomedical Staining & Labeling: Acts as a precursor for synthesizing fluorescent probes and stains for biological imaging and diagnostic assays.
• Nonlinear Optical Materials: Investigated for use in the development of organic materials with second- and third-order nonlinear optical properties for photonic devices.
• Specialty Chemical Synthesis: Employed as a versatile intermediate in organic synthesis for creating complex heterocyclic compounds with specific electronic characteristics.

Basic Information

Product Name	1,3,3-Trimethyl-2-[2-(2-Methyl-1H-Indol-3-Yl)Vinyl]-3H-Indolium Dihydrogen Phosphate
CAS No.	83969-07-7
Molecular Formula	C22H25N2O4P
Molecular Weight	412.42 g/mol
Synonyms	1,3,3-Trimethyl-2-[(1E)-2-(2-methyl-1H-indol-3-yl)ethenyl]-3H-indolium dihydrogen phosphate; 2-[2-(2-Methyl-1H-indol-3-yl)vinyl]-1,3,3-trimethyl-3H-indolium dihydrogen phosphate; Dihydrogen 1,3,3-trimethyl-2-[(E)-2-(2-methylindol-3-yl)vinyl]indolium phosphate; Cyanine dye phosphate salt intermediate; Photographic dye intermediate 83969-07-7
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Every lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as identity, assay, and impurity profiles. We support custom synthesis and purity grade adjustments to meet specific research or manufacturing 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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

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