3,3′-Dimethylbenzidine dihydrochloride CAS 612-82-8

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3,3′-Dimethylbenzidine dihydrochloride CAS 612-82-8

CAS: 612-82-8
Molecular Formula: C14H18Cl2N2
Molecular Weight: 285.21
EINECS: 210-322-5
HS Code: 29215900

Synonyms: 4-Piperazin-1-yl-benzenesulfonamide;8-Piperazin-1-yl-quinoline;o-TOLIDINE DIHYDROCHLORIDE REAGENT (ACS);o-Tolidine2HCl;o-Tolidinedihydrochloride,ACS;1,1-Biphenyl-4,4-diamine, 3,3-dimethyl-, dihydrochloride;THALLIUM ARSENATE;3,3μ-Dimethylbenzidine dihydrochloride, 4,4μ-Bianisidine dihydrochloride, 4,4μ-Diamino-3,3μ-dimethylbiphenyl dihydrochloride

What is 3,3′-Dimethylbenzidine dihydrochloride CAS 612-82-8?

3,3′-Dimethylbenzidine dihydrochloride CAS 612-82-8 is a benzidine-based aromatic amine derivative supplied as a light-colored solid. It is primarily used as an intermediate in dye and pigment production and as a laboratory reagent in analytical chemistry and organic synthesis research.

Specifications

Property Value
Appearance White to light yellow solid or crystalline powder
Melting Point >300 °C
Boiling Point 160 °C / 2 mmHg (lit.)
Sensitivity Air sensitive
Solubility Slightly soluble in methanol and heated DMSO; soluble in water
Storage Conditions Store in a cool, dry, well-ventilated place with container tightly closed

Features

  • Aromatic Amine Intermediate: The compound’s benzidine-derived structure makes it suitable for use as a precursor in the synthesis of dyes and pigment intermediates.
  • Water-Soluble Salt Form: Compared with free base analogs, the dihydrochloride form offers improved handling and solubility characteristics for laboratory processing and formulation.
  • Stable High-Melting Solid: With a melting point above 300 °C, it demonstrates thermal stability under typical storage and handling conditions.
  • Reagent-Grade Utility: Commonly supplied as a solid reagent suitable for analytical and synthetic chemistry workflows.

Applications

  • Dye and Pigment Manufacturing: Widely used as an intermediate in the preparation of azo dyes and related colorant chemistries.
  • Organic Synthesis Intermediate: Applied in laboratory and industrial synthesis processes involving aromatic amine derivatives.
  • Analytical and Research Reagent: Utilized in chemical research environments where benzidine-type compounds serve as reference materials or reaction intermediates.
  • Chemical Industry Processing: Employed in controlled production environments requiring aromatic diamine-based raw materials for specialty chemical development.

Packaging

Mikem offers flexible packaging options, including 25 kg of fiber drums for liquid products and 15–25 kg PP/PE bags for powder products, all customizable to meet your specific needs.

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