Description

2,5-Cyclohexadiene-1,4-Dione, 3-Bromo-2,5-Dimethyl- (9Ci) is a brominated dimethyl derivative of p-benzoquinone, a versatile chemical intermediate prized for its unique reactivity profile. This compound is essential for researchers and manufacturers requiring a functionalized quinone scaffold to introduce complexity and specific bromine-based functionality into target molecules. It is primarily utilized in advanced organic synthesis, pharmaceutical research, and the development of specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring halogenated quinone motifs.
• Organic Synthesis Reagent: Used in various coupling reactions, cyclizations, and as a precursor for more complex heterocyclic and polycyclic compounds.
• Material Science Research: Investigated for the development of organic semiconductors, conductive polymers, and photoactive materials due to its quinone redox properties.
• Agrochemical Synthesis: Acts as an intermediate in the research and development of new herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Chemistry: Employed as a precursor in the synthesis of specialized quinone-based dyes and pigments.
• Cross-coupling Reactions: The bromine atom provides a handle for palladium-catalyzed reactions like Suzuki, Stille, or Heck couplings to create complex molecular architectures.

Basic Information

Product Name	2,5-Cyclohexadiene-1,4-Dione, 3-Bromo-2,5-Dimethyl- (9Ci)
CAS No.	633318-48-6
Molecular Formula	C8H7BrO2
Molecular Weight	215.04 g/mol
Synonyms	3-Bromo-2,5-dimethyl-1,4-benzoquinone; 3-Bromo-2,5-dimethyl-p-benzoquinone; 2,5-Dimethyl-3-bromo-1,4-benzoquinone; 3-Bromo-2,5-dimethylcyclohexa-2,5-diene-1,4-dione; Bromodimethylbenzoquinone
EINECS	Contact for details

Quality Control

Our 2,5-Cyclohexadiene-1,4-Dione, 3-Bromo-2,5-Dimethyl- (9Ci) is produced and handled under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistent quality and reliable performance in your applications. A detailed Certificate of Analysis (COA) is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong reducing agents and bases.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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