Intermediates

1-Chloro-2,4-dinitrobenzene

  • CAS No.97-00-7
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 1-Chloro-2,4-dinitrobenzene (CAS 97-00-7), a key aromatic intermediate for dyes, agrochemicals, and pharmaceutical synthesis.

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Product Technical Details

Product Overview

1-Chloro-2,4-dinitrobenzene (CAS 97-00-7) is a critical aromatic halogenated nitro compound widely employed as a versatile building block in fine chemical manufacturing. This high-reactivity intermediate features two electron-withdrawing nitro groups ortho and para to a chlorine substituent, enabling selective nucleophilic aromatic substitution reactions essential in multi-step syntheses.

Specifications

Molecular FormulaC6H3ClN2O4
Molecular Weight202.55 g/mol
AppearanceYellow to light brown crystals (melted solid)
Melting Point48–50 °C (lit.)
Boiling Point315 °C (lit.)
Density1.6 g/cm³
Water SolubilityInsoluble
Purity (GC)≥99.0%
Crystallizing Point≥48.5 °C

Industrial Applications

As a foundational intermediate in organic synthesis, 1-Chloro-2,4-dinitrobenzene serves multiple industrial sectors:

  • Dyes & Pigments: Key precursor in the production of sulfur dyes including Sulfur Dark Blue 3R, Sulfur Black BRN, RN, B2RN, and BN.
  • Agrochemicals: Used in synthesizing herbicides and pesticides such as dinitrosan.
  • Pharmaceutical Intermediates: Enables the manufacture of derivatives like dinitrophenol, dinitroaniline, picric acid, and p-nitro-o-aminophenol.
  • Specialty Chemicals: Applied in the synthesis of saccharin and other functional molecules requiring activated aromatic rings.

The compound must be handled with care due to its reactivity profile. It is stable under recommended storage conditions but incompatible with strong oxidizing agents, ammonia, and hydrazine hydrate—reactions with the latter can be violent. Store in a cool, dry, well-ventilated area away from food additives and oxidants.