3,3′-Dichlorobenzidine hydrochloride

​3,3′-Dichlorobenzidine Hydrochloride

Chemical Formula: C₁₂H₁₀Cl₂N₂·HCl
Structure: ​Chlorinated aromatic diamine with:

​Two benzene rings substituted with ​chlorine atoms at the 3-positions.A ​benzidine group (-NH-NH-) linking the rings.A ​hydrochloride salt attached to one amino group.

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​Physical Properties

​Appearance: Gray to white crystalline solid.

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​Applications

​Dye & Pigment Production:Key intermediate for ​textile dyes, ​plastics, and ​printing inks.​Polymer Synthesis:Used in producing specialty polymers.​Organic Chemistry:Reagent for synthesizing nitrogen-containing compounds.

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​Safety Considerations ⚠️

​Toxicity:​Potential carcinogen; toxic via inhalation, ingestion, or skin contact.​Handling:Use ​PPE (gloves, goggles, respirator) and ensure ​adequate ventilation.​Storage:Store in a ​cool, dry, airtight container away from ​moisture and incompatible substances.

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Summary:
3,3′-Dichlorobenzidine hydrochloride’s role as a ​dye/pigment intermediate is critical in industrial chemistry. Its ​carcinogenic risk mandates strict adherence to safety protocols during handling and storage.

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