Description

1,4-Benzenediol, 2-Bromo-5-Ethenyl- (9Ci) is a specialized brominated and vinyl-substituted hydroquinone derivative. This compound serves as a valuable advanced synthetic intermediate for constructing complex molecular architectures in fine chemical and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors for its unique reactive handles.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in oncology and CNS drug discovery.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Serves as a functional monomer or cross-linking agent for specialty polymers, liquid crystals, and high-performance resins.
• Organic Electronic Materials: Potential precursor for electron-transport materials or hole-blocking layers in OLED and OPV research.
• Chemical Research: Versatile substrate for palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) and other metal-mediated transformations.
• Dye & Pigment Intermediate: Used in the synthesis of complex quinone-based dyes and functional colorants.

Basic Information

Product Name	1,4-Benzenediol, 2-Bromo-5-Ethenyl- (9Ci)
CAS No.	226883-66-5
Molecular Formula	C8H7BrO2
Molecular Weight	215.05 g/mol
Synonyms	2-Bromo-5-vinylbenzene-1,4-diol; 2-Bromo-5-vinylhydroquinone; 5-Vinyl-2-bromohydroquinone; 1,4-Dihydroxy-2-bromo-5-vinylbenzene; 2-Bromo-5-ethenyl-1,4-benzenediol; Bromovinylhydroquinone; HQ-Br-Vinyl
EINECS	Contact for details

Quality Control

Our 1,4-Benzenediol, 2-Bromo-5-Ethenyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for demanding research applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated place, away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white 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.