Description

1-(5-Carboxypentyl)-2,3,3-Trimethyl-3H-Indol-1-Ium-5-Sulfonate is a high-purity, functionalized indole derivative with a zwitterionic structure, making it a valuable intermediate for advanced chemical synthesis. This compound matters for its role in creating specialized dyes, photosensitizers, and other functional materials requiring precise molecular architecture. It is primarily needed by research institutions and industrial manufacturers in the fields of photographic chemistry, dye and pigment production, and advanced material science.

Application

• Photosensitizer Intermediate: A key building block in the synthesis of cyanine dyes and other photosensitive compounds used in photographic films and optical data storage.
• Functional Dye Synthesis: Serves as a precursor for creating specialized dyes with specific solubility and spectral properties for textiles, inks, and biological staining.
• Research & Development: Used in academic and industrial R&D for exploring new photodynamic therapy agents, nonlinear optical materials, and sensor technologies.
• Material Science: Employed in the development of advanced polymeric materials and coatings where its sulfonate and carboxylate groups can impart specific ionic characteristics.
• Analytical Chemistry: Can be utilized as a derivatization agent or a standard for chromatographic analysis in complex matrices.

Basic Information

Product Name	1-(5-Carboxypentyl)-2,3,3-Trimethyl-3H-Indol-1-Ium-5-Sulfonate
CAS No.	146368-08-3
Molecular Formula	C17H23NO5S
Molecular Weight	353.44 g/mol
Synonyms	5-Carboxypentyl-2,3,3-trimethyl-3H-indolium-5-sulfonate; 1-(5-Carboxypentyl)-2,3,3-trimethylindolinium-5-sulfonate; 2,3,3-Trimethyl-1-(5-carboxypentyl)indolium-5-sulfonate; 3H-Indolium, 1-(5-carboxypentyl)-2,3,3-trimethyl-, 5-sulfonate; Indolinium, 1-(5-carboxypentyl)-2,3,3-trimethyl-, 5-sulfonate; Cyanine dye precursor; Zwitterionic indole sulfonate.
EINECS	Contact for details

Quality Control

Our 1-(5-Carboxypentyl)-2,3,3-Trimethyl-3H-Indol-1-Ium-5-Sulfonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistent high quality and batch-to-batch reproducibility. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.