Description

3-[(1,3-Dihydro-1,3,3-Trimethyl-2H-Indol-2-Ylidene)Ethylidene]-9-Ethyl-3H-Carbazolium Dihydrogen Phosphate is a high-purity, functional organic salt belonging to the cyanine dye family, valued for its unique photophysical properties. This compound is essential for advanced research and development in photonics and materials science, where precise molecular characteristics are critical. It is primarily sought by manufacturers and R&D laboratories in the fields of non-linear optics (NLO), laser dyes, and as a sensitizer or charge-transfer agent in specialized electronic applications.

Application

• Non-Linear Optical (NLO) Materials: A key chromophore for developing materials with second- and third-order optical nonlinearities for frequency conversion and optical switching.
• Laser Dye Precursor: Used in the synthesis of near-infrared (NIR) absorbing and emitting cyanine dyes for tunable dye lasers and laser marking.
• Optical Data Storage: Potential application as a photosensitive component in advanced optical recording media.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer due to its strong absorption profile.
• Organic Photovoltaic (OPV) & Semiconductor Research: Serves as an electron acceptor or donor material in the study of organic thin-film devices.
• Analytical Chemistry: Can be utilized as a staining agent or fluorescent probe in specific biochemical assays and sensor development.
• Academic & Industrial R&D: A crucial building block for synthesizing novel functional dyes and complex organic salts with tailored properties.

Basic Information

Product Name	3-[(1,3-Dihydro-1,3,3-Trimethyl-2H-Indol-2-Ylidene)Ethylidene]-9-Ethyl-3H-Carbazolium Dihydrogen Phosphate
CAS No.	83950-25-8
Molecular Formula	C28H32N2O4P
Molecular Weight	491.54 g/mol
Synonyms	9-Ethyl-3-[(1,3,3-trimethyl-2-indolinylidene)ethylidene]-2,3-dihydrocarbazolium dihydrogen phosphate; Carbazolium, 9-ethyl-3-[(1,3,3-trimethyl-2-indolinylidene)ethylidene]-2,3-dihydro-, phosphate (1:1); Cyanine dye phosphate salt; NIR dye intermediate; Heptamethine cyanine dye salt; 83950-25-8; 3H-Carbazolium, 3-[(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-9-ethyl-, phosphate (1:1)
EINECS	Contact for details

Quality Control

Every batch of our 3-[(1,3-Dihydro-1,3,3-Trimethyl-2H-Indol-2-Ylidene)Ethylidene]-9-Ethyl-3H-Carbazolium Dihydrogen Phosphate undergoes rigorous analytical testing to ensure high purity, batch-to-batch consistency, and structural integrity. Our quality assurance protocols are designed to meet the stringent requirements of advanced material synthesis and research applications. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive (store away from light) and should be handled under appropriate conditions to prevent degradation. Keep the container tightly sealed in a dry environment to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in polar organic solvents (e.g., DMSO, DMF, methanol)

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