Description

9-Ethyl-9H-Carbazole-3-Sulfonic Acid is a functionalized carbazole derivative, a key sulfonated intermediate prized for its unique electronic and structural properties. This compound is essential for synthesizing advanced materials and specialty chemicals where precise molecular architecture is required. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and organic electronics sectors.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block for the synthesis of novel drug candidates, particularly in developing compounds with specific biological activity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging the carbazole core's bioactivity.
• Organic Electronic Materials: Acts as a precursor for hole-transporting materials (HTMs), organic semiconductors, and light-emitting materials in OLED and OPV applications.
• Dye and Pigment Manufacturing: Functions as a key intermediate for creating sulfonated dyes and high-performance pigments with enhanced solubility and color fastness.
• Corrosion Inhibitor Formulation: Incorporated into specialty chemical formulations designed to protect metals in industrial processes.
• Research & Development: Employed in academic and industrial R&D labs for exploring new chemical reactions and material properties.

Basic Information

Product Name	9-Ethyl-9H-Carbazole-3-Sulfonic Acid
CAS No.	802034-95-3
Molecular Formula	C14H13NO3S
Molecular Weight	275.32 g/mol
Synonyms	9-Ethylcarbazole-3-sulfonic acid; 3-Carbazolesulfonic acid, 9-ethyl-9H-; 9-Ethyl-9H-carbazol-3-ylsulfonic acid; 9-Ethyl-3-carbazolesulfonic acid; N-Ethylcarbazole-3-sulfonic acid; Carbazole-3-sulfonic acid, 9-ethyl-; 802034-95-3; 9-Ethylcarbazole-3-sulphonic acid
EINECS	Contact for details

Quality Control

Our 9-Ethyl-9H-Carbazole-3-Sulfonic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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