Description

2,5-Cyclohexadien-1-One, 4-(1-Hydroxyethylidene)- (9Ci) is a specialized organic compound belonging to the cyclohexadienone chemical class, serving as a valuable synthetic intermediate. This compound matters for its unique structural motif, which is pivotal in constructing complex molecular architectures in advanced chemical synthesis. It is primarily needed by research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and advanced organic materials.
• Academic & Industrial Research: A valuable reagent for methodological development and exploring new organic reactions in R&D laboratories.
• Material Science: Potential intermediate in the development of specialty polymers and advanced organic electronic materials.

Basic Information

Product Name	2,5-Cyclohexadien-1-One, 4-(1-Hydroxyethylidene)- (9Ci)
CAS No.	261172-42-3
Molecular Formula	C8H10O2
Molecular Weight	138.16 g/mol
Synonyms	4-(1-Hydroxyethylidene)-2,5-cyclohexadien-1-one; 4-(1-Hydroxyethylidene)cyclohexa-2,5-dien-1-one; 4-Acetylidene-2,5-cyclohexadien-1-one hydrate (tautomer); 4-(Hydroxyethylidene)-2,5-cyclohexadienone
EINECS	Contact for details

Quality Control

Our 2,5-Cyclohexadien-1-One, 4-(1-Hydroxyethylidene)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance for research and scale-up applications. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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. Due to its light-sensitive nature, handling and storage should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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