Description

1-(2-Carboxyethyl)-2,3,3-Trimethyl-3H-Indol-1-Ium Bromide is a versatile indole-based quaternary ammonium salt with a reactive carboxylic acid group. This compound is a crucial advanced intermediate for synthesizing functional dyes and photosensitizers, offering a unique combination of cationic and anionic reactivity. It is primarily used by research institutions and specialty chemical manufacturers in the fields of photochemistry, material science, and biomedical imaging.

Application

• Photosensitizer Synthesis: A key precursor for developing cyanine and polymethine dyes used in photodynamic therapy (PDT) and optical imaging.
• Functional Dye Intermediates: Serves as a building block for creating near-infrared (NIR) fluorescent probes and labeling reagents.
• Material Science Research: Used in the development of novel organic semiconductors and light-harvesting materials for optoelectronic devices.
• Bioconjugation Chemistry: The carboxylic acid moiety allows for covalent attachment to biomolecules like proteins and peptides for diagnostic applications.
• Academic & Industrial R&D: Employed in chemical research for exploring new reaction pathways and creating libraries of indole derivatives.

Basic Information

Product Name	1-(2-Carboxyethyl)-2,3,3-Trimethyl-3H-Indol-1-Ium Bromide
CAS No.	336850-23-8
Molecular Formula	C14H18BrNO2
Molecular Weight	312.20 g/mol
Synonyms	2-(2,3,3-Trimethyl-3H-indol-1-ium-1-yl)acetate bromide; 3H-Indolium, 1-(2-carboxyethyl)-2,3,3-trimethyl-, bromide; 1-(2-Carboxyethyl)-2,3,3-trimethylindoleninium bromide; 2,3,3-Trimethyl-1-(2-carboxyethyl)indoleninium bromide; Indolenine-based carboxylic acid salt; N-(2-Carboxyethyl)-2,3,3-trimethylindoleninium bromide
EINECS	Contact for details

Quality Control

Our production of 1-(2-Carboxyethyl)-2,3,3-Trimethyl-3H-Indol-1-Ium Bromide adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container should be kept in a desiccated environment to prevent moisture absorption, which may affect stability and handling properties.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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