Description

2,2'-Carbonylbis[5-(Dimethylamino)Benzenesulfonic Acid Sodium] Salt is a specialized organic salt with a unique bis-sulfonic acid structure, valued for its solubility and functional properties in advanced chemical synthesis. This compound serves as a critical intermediate or functional additive in applications requiring water-soluble, light-sensitive, or charge-modifying characteristics. It is primarily needed by manufacturers in the fine chemical, pharmaceutical, and specialty dye industries for research and production processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Biochemical Research: Acts as a reagent or probe in biochemical assays and protein studies due to its sulfonate groups.
• Dye and Pigment Manufacturing: Serves as a precursor or solubilizing agent for water-soluble dyes and functional pigments.
• Polymer Modification: Employed to introduce sulfonate functionality into polymers for enhanced hydrophilicity or ionic character.
• Analytical Chemistry: Utilized as a standard or reagent in chromatographic methods and spectroscopic analysis.
• Photographic and Imaging Chemicals: Potential use in light-sensitive formulations and photographic developers.

Basic Information

Product Name	2,2'-Carbonylbis[5-(Dimethylamino)Benzenesulfonic Acid Sodium] Salt
CAS No.	116736-01-7
Molecular Formula	C19H24N4Na2O7S2
Molecular Weight	526.52 g/mol
Synonyms	Sodium 2,2'-carbonylbis(5-(dimethylamino)benzenesulfonate); Bis(5-(dimethylamino)-2-sulfophenyl) ketone disodium salt; 5,5'-Carbonylbis(2-(dimethylamino)benzenesulfonic acid) disodium salt; 2,2'-Carbonylbis[5-(dimethylamino)benzenesulfonic acid] disodium salt; Light Yellow FF disodium salt (related dye intermediate); CI 56205 (potential Colour Index reference); Contact for EINECS details.

Quality Control

Our 2,2'-Carbonylbis[5-(Dimethylamino)Benzenesulfonic Acid Sodium] Salt is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and physical properties 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 area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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