Description

Dimethyl 4-Bromophthalate is a high-purity brominated phthalate ester derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a versatile, functionalized aromatic building block for constructing complex molecular architectures. This compound is essential for research and development laboratories, pharmaceutical synthesis, and specialty chemical manufacturers requiring precise bromine substitution for further coupling or modification reactions.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring bromoarene functional groups for cross-coupling reactions like Suzuki or Buchwald-Hartwig amination.
• Liquid Crystal & OLED Material Synthesis: Used in the production of advanced organic electronic materials, where the bromine atom facilitates the creation of complex, conjugated systems essential for light-emitting diodes (OLEDs) and liquid crystal displays (LCDs).
• Agrochemical Research: Intermediate in the development of novel herbicides, fungicides, and plant growth regulators that utilize halogenated aromatic cores for enhanced bioactivity.
• Polymer & Resin Modification: Acts as a monomer or modifier in the synthesis of specialty polymers, including high-performance polyesters and epoxy resins, to impart specific properties like flame retardancy or altered refractive index.
• Organic Synthesis & Catalysis Research: A versatile reagent in academic and industrial R&D for constructing complex organic molecules, studying reaction mechanisms, and developing new catalytic methodologies.
• Dye & Pigment Manufacturing: Serves as a precursor in the synthesis of specialized dyes, pigments, and photoinitiators where the bromophthalate structure is integral to the chromophore.

Basic Information

Product Name	Dimethyl 4-Bromophthalate
CAS No.	87639-57-4
Molecular Formula	C10H9BrO4
Molecular Weight	273.08 g/mol
Synonyms	4-Bromophthalic Acid Dimethyl Ester; Dimethyl 4-Bromobenzene-1,2-dicarboxylate; 1,2-Benzenedicarboxylic Acid, 4-Bromo-, Dimethyl Ester; 4-Bromo-1,2-benzenedicarboxylic Acid Dimethyl Ester; Methyl 4-Bromophthalate; 4-Bromophthalic Acid Methyl Ester (mixture of isomers); Phthalic Acid, 4-Bromo-, Dimethyl Ester
EINECS	Contact for details

Quality Control

Our Dimethyl 4-Bromophthalate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent lot-to-lot performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports applications requiring reliable and traceable raw materials for GMP, research, and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to minimize exposure to moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.