Description

Cyclobutanone CAS NO 1191-95-3 is a versatile four-membered cyclic ketone, serving as a critical building block in advanced organic synthesis. Its unique strained ring structure makes it a valuable precursor for creating complex molecular architectures and fine chemicals. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty materials sectors seeking to innovate and optimize synthetic pathways.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for producing specialized polymers with unique thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in ring-expansion reactions, [2+2] cycloadditions, and as a scaffold for natural product synthesis.
• Fragrance & Flavor Chemistry: Intermediate for creating specific musk-like or woody odorant molecules.
• Academic & Industrial R&D: Fundamental reagent for methodological development and exploring new reaction mechanisms in organic chemistry.

Basic Information

Product Name	Cyclobutanone
CAS No.	1191-95-3
Molecular Formula	C4H6O
Molecular Weight	70.09 g/mol
Synonyms	Cyclobutanone; Ketocyclobutane; Trimethylene ketone; Cyclopropyl ketone; Cyclobutyl ketone; NSC 57155; UNII-6Q3S6L8P3F
EINECS	214-765-8

Quality Control

Our Cyclobutanone is produced and handled under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for reliable supply to regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flames. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.418 - 1.422
Boiling Point	~ 99-101 °C
Density (20°C)	~ 0.92 g/mL

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