Description

2-[2-[4-(Diethylamino)Phenyl]Vinyl]-1,3,3-Trimethyl-3H-Indolium Hydrogen Sulphate is a high-purity, functional organic salt belonging to the cyanine dye family. This compound is valued for its strong light-absorbing and fluorescent properties, making it a critical intermediate in advanced material synthesis. It is primarily sought by manufacturers in the optical materials, specialty dyes, and research sectors for applications requiring precise photophysical characteristics.

Application

• Optical Material Synthesis: A key intermediate for producing near-infrared (NIR) absorbing cyanine dyes and pigments.
• Laser Technology: Used in the formulation of materials for dye lasers and optical filters due to its tunable absorption properties.
• Photographic Sensitizers: Acts as a spectral sensitizer in silver halide photographic emulsions.
• Biomedical Research: Employed in the development of fluorescent probes and markers for bio-imaging and diagnostic assays.
• Non-Linear Optics (NLO): Serves as a building block for organic molecules with potential applications in photonics and electro-optics.
• Analytical Chemistry: Utilized as a reagent or standard in spectroscopic analysis and method development.

Basic Information

Product Name	2-[2-[4-(Diethylamino)Phenyl]Vinyl]-1,3,3-Trimethyl-3H-Indolium Hydrogen Sulphate
CAS No.	85283-95-0
Molecular Formula	C23H30N2O4S
Molecular Weight	430.56 g/mol
Synonyms	1,3,3-Trimethyl-2-[2-[4-(diethylamino)phenyl]ethenyl]-3H-indolium hydrogen sulfate; Dye intermediate 85283-95-0; Cyanine dye salt; 2-[2-[4-(Diethylamino)styryl]]-1,3,3-trimethyl-3H-indolium hydrogen sulfate; Basic Red 12 related salt; NIR dye precursor; Indolenine cyanine salt; [2-[4-(Diethylamino)styryl]]-1,3,3-trimethylindolium hydrogen sulfate
EINECS	Contact for details

Quality Control

Our production of 2-[2-[4-(Diethylamino)Phenyl]Vinyl]-1,3,3-Trimethyl-3H-Indolium Hydrogen Sulphate adheres to stringent in-process controls to ensure batch-to-batch consistency and high chemical purity. Every 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 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 area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 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.