Description

4-Bromo-5-Chlorophthalic Acid is a high-purity, halogenated phthalic acid derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a versatile, functionalized aromatic scaffold for constructing complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), specialty dyes, and advanced materials who require reliable access to high-quality building blocks.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those targeting specific enzyme inhibitors or receptor modulators.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that require halogenated aromatic cores.
• Functional Dye & Pigment Manufacturing: Serves as a precursor for creating specialized colorants with enhanced light-fastness and chemical stability.
• Liquid Crystal & OLED Material Development: Integral in synthesizing functionalized aromatic units for electronic display and lighting materials.
• Polymer Modification: Employed to introduce bromo and chloro functional groups into polymer chains, altering physical properties for specialty plastics and resins.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new organic reactions and material properties.

Basic Information

Product Name	4-Bromo-5-Chlorophthalic Acid
CAS No.	937647-86-4
Molecular Formula	C8H4BrClO4
Molecular Weight	279.47 g/mol
Synonyms	5-Chloro-4-bromophthalic acid; 4-Bromo-5-chlorobenzene-1,2-dicarboxylic acid; 1,2-Benzenedicarboxylic acid, 4-bromo-5-chloro-; NSC 406304; 4-Br-5-Cl-phthalic acid; Bromochlorophthalic acid; 4-Bromo-5-chloro-1,2-benzenedicarboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Bromo-5-Chlorophthalic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.