Applications of 4-Bromo-2-Chloroaniline in Industrial Manufacturing

4-Bromo-2-chloroaniline serves as a specialized intermediate in several tightly-controlled chemical manufacturing fields. Our facility supplies this raw material directly to industrial partners in sectors with stringent compliance requirements, supporting advanced synthesis and downstream value addition. All scenarios below reflect actual, audited industrial uses based on established market chains and user demand.

1. Agrochemical Active Ingredient Synthesis

In modern crop protection industries, 4-Bromo-2-chloroaniline functions as a building block for the synthesis of key herbicides and fungicides. It participates in multiple-step reactions, including coupling and cyclization processes that yield heterocyclic agrochemical active ingredients. These downstream operations require consistent material quality to align with sector-specific safety, environmental, and product performance criteria.

Industry compliance standards

• European Regulation (EC) No 1107/2009 for plant protection products
• U.S. Environmental Protection Agency (EPA) pesticide registration standards
• China GB 2763–2023 Maximum Residue Limits for Pesticides
• REACH Regulation (EC) No 1907/2006 chemical registration and assessment

Typical usage ratio

• 3%–11% w/w, calculated based on specific synthetic pathway stoichiometry and target active ingredient yield

Downstream process integration

• Input as a coupling precursor in the multi-step synthesis of triazole or anilide-based pesticides during intermediate stage reactions

Final product types

• Technical-grade herbicides (e.g., triazine, anilide derivatives)
• Fungicidal actives for seed treatments and foliar sprays
• Granular and suspension concentrate agrochemical formulations

2. Pharmaceutical Intermediate Manufacturing

In the pharmaceutical sector, 4-Bromo-2-chloroaniline acts as a crucial intermediate for the synthesis of various API precursor molecules, especially where halogenated aniline structures are essential to bioactivity. Controlled addition and purification protocols ensure subsequent APIs meet the required pharmacopoeial standards for safety and identity.

Industry compliance standards

• Current Good Manufacturing Practice (cGMP; 21 CFR Parts 210/211, US FDA)
• ICH Q7 Guidelines for Active Pharmaceutical Ingredients
• EU GMP Annex 8 – Sampling of Starting and Packaging Materials
• Pharmacopoeial references (USP, Ph. Eur.) for related substances

Typical usage ratio

• 2%–8% w/w relative to total reaction batch, adjusted for target molecule and stepwise synthesis requirements

Downstream process integration

• Introduced at the initial halogenation or substitution step to generate key halogenated aromatic cores used in APIs for antibacterial, anti-inflammatory, or oncology drugs

Final product types

• Pharmaceutical intermediates for small-molecule APIs
• Purified bulk API precursors
• Research-use reference standards

3. Dye and Pigment Intermediate Production

The organic pigment and dye sector utilizes 4-Bromo-2-chloroaniline as an advanced intermediate for manufacturing high-performance colorants. It forms the key aromatic nucleus in azo and other specialty colorant molecules, supporting precise chromatic and fastness properties in technical textiles, inks, and plastics coloring systems.

Industry compliance standards

• OEKO-TEX® Standard 100 restricted substances list
• EN 71-3:2023 Safety of toys — Migration of certain elements
• China GB/T 7573 textile color fastness standards
• REACH SVHC restricted chemicals (Annex XVII)

Typical usage ratio

• 5%–14% w/w within intermediate reaction stage; proportion varies according to shade depth and required substitution profile

Downstream process integration

• Added as a functionalized aniline precursor in the diazotization and coupling step during synthesis of azo dyes and high-stability pigments

Final product types

• Disperse dyes for polyester and acetate fibers
• Azo pigments for plastics and coatings
• Solvent dyes for inkjet inks and industrial markers

4. Specialty Chemical R&D and Custom Synthesis

Chemical research laboratories and custom synthesis service providers use 4-Bromo-2-chloroaniline to develop new heterocyclic scaffolds and advanced building blocks. It enables medicinal chemistry programs and contract manufacturing in regulated pilot projects where unique halogenation patterns are required for activity screening and molecular design.

Industry compliance standards

• ISO 9001:2015 Quality Management Systems for laboratory operations
• OECD Principles of Good Laboratory Practice (GLP)
• China GB/T 6682 analytical laboratory water standards
• Hazardous chemical management under GHS classification

Typical usage ratio

• Variable: typically 0.5%–10% w/w on a project- or reaction-specific basis; adjusted according to synthetic target complexity, route optimization, or scale-up requirements

Downstream process integration

• Dosed into early-stage reaction vessels for halogenated aromatic development, intermediate validation, or scaffold diversification during custom syntheses, with in-process QC

Final product types

• Novel screening compounds for drug discovery
• Custom halogenated building blocks for contract projects
• Intermediates for proprietary fine chemical portfolios