Description

3,3'-Dichlorobenzidine Dihydrogen Bis(Sulphate) is a key chemical intermediate, primarily recognized for its role in the synthesis of high-performance pigments and dyes. Its importance lies in providing the structural backbone for creating vivid, durable, and lightfast colorants essential for demanding industrial applications. This compound is critically needed by manufacturers in the pigments, dyes, and specialty chemical sectors, where precise molecular architecture is paramount for product performance.

Application

• Primary Intermediate for Azo Pigments: Serves as a crucial diazo component in the production of high-performance organic pigments, particularly diarylide yellows and oranges.
• Dye Manufacturing: Used in the synthesis of specific direct and solvent dyes for textiles, plastics, and inks.
• Specialty Polymer Colorants: Imparts color and stability to engineering plastics, synthetic fibers, and masterbatches.
• Research & Development: Acts as a building block in chemical research for developing new chromophores and functional materials.
• Analytical Chemistry: May be employed as a reagent or standard in specific chromatographic or spectroscopic methods.

Basic Information

Product Name	3,3'-Dichlorobenzidine Dihydrogen Bis(Sulphate)
CAS No.	64969-34-2
Molecular Formula	C12H12Cl2N2O8S2
Molecular Weight	447.27 g/mol
Synonyms	3,3'-Dichlorobenzidine Sulfate Salt; 3,3'-Dichlorobenzidine Bis(Sulfate); Benzidine, 3,3'-dichloro-, sulfate (1:2); DCB Sulfate; o,o'-Dichlorobenzidine Sulfate; Dichlorobenzidine Hydrogen Sulfate; Dichlorobenzidine Sulphate; [1,1'-Biphenyl]-4,4'-diamine, 3,3'-dichloro-, sulfate (1:2)
EINECS	Contact for details

Quality Control

Our 3,3'-Dichlorobenzidine Dihydrogen Bis(Sulphate) is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing all quality parameters is provided with each shipment 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 room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light beige powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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