Description

7-Hydroxy-9H-Carbazole-2,3,6-Trisulphonic Acid, Sodium Salt is a high-purity, water-soluble derivative of carbazole, characterized by its multiple sulfonic acid groups. This compound is valued for its role as a key synthetic intermediate and functional component in advanced material science. It is primarily utilized by manufacturers in the pharmaceutical, dye, and specialty chemical industries for developing active ingredients, colorants, and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Dye and Pigment Manufacturing: Acts as a precursor for creating water-soluble, high-performance dyes and pigments, particularly for textiles and inks.
• Functional Polymer Synthesis: Used to introduce sulfonate groups into polymers, enhancing their solubility, conductivity, or ion-exchange properties.
• Analytical Chemistry Reagent: Employed as a standard or reagent in chromatographic analysis and other laboratory procedures.
• Electrochemical Material Research: Investigated for use in battery electrolytes, sensors, and conductive films due to its ionic character.
• Photographic and Imaging Chemicals: Utilized in the formulation of specialty chemicals for photographic and imaging applications.

Basic Information

Product Name	7-Hydroxy-9H-Carbazole-2,3,6-Trisulphonic Acid, Sodium Salt
CAS No.	93775-99-6
Molecular Formula	C12H7NNa3O10S3 or related hydrated form
Molecular Weight	Contact for details
Synonyms	7-Hydroxycarbazole-2,3,6-trisulfonic acid trisodium salt; 9H-Carbazole-2,3,6-trisulfonic acid, 7-hydroxy-, trisodium salt; Sodium 7-hydroxy-9H-carbazole-2,3,6-trisulfonate; Carbazole trisulfonic acid sodium salt derivative; 7-Hydroxycarbazole trisulfonate
EINECS	Contact for details

Quality Control

Our 7-Hydroxy-9H-Carbazole-2,3,6-Trisulphonic Acid, Sodium Salt is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and moisture content are available upon request to support your quality assurance protocols.

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	Yellow to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Freely soluble in water

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