Description

3,3'-Dichlorobenzidine Sulphate is a key chemical intermediate primarily used in the synthesis of high-performance pigments and dyes. This compound matters for its role in producing colorants with excellent heat stability and lightfastness, essential for demanding industrial applications. It is needed by manufacturers in the plastics, coatings, and specialty ink industries seeking reliable and consistent raw materials for their production processes.

Application

• Primary intermediate for the synthesis of high-performance organic pigments, particularly diarylide yellows and oranges.
• Key raw material in the production of dyes for plastics and synthetic fibers.
• Used in manufacturing colorants for industrial coatings and automotive paints.
• Employed in the creation of specialty inks, including packaging and printing inks.
• Acts as a precursor in research and development of novel polymeric colorants.
• Utilized in the chemical synthesis of other complex aromatic amine derivatives.

Basic Information

Product Name	3,3'-Dichlorobenzidine Sulphate
CAS No.	74332-73-3
Molecular Formula	C12H10Cl2N2 • H2SO4
Molecular Weight	357.19 g/mol
Synonyms	3,3'-Dichlorobenzidine Sulfate; DCB Sulfate; Benzidine, 3,3'-dichloro-, sulfate (1:1); 3,3'-Dichloro[1,1'-biphenyl]-4,4'-diamine sulfate; C.I. 37240; Fast Scarlet Base; o,o'-Dichlorobenzidine Sulfate
EINECS	Contact for details

Quality Control

Our 3,3'-Dichlorobenzidine Sulphate is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and related substances, to meet precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee compliance with your quality requirements.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Off-white to light gray crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 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.