Description

3-Butyn-2-One, 1,1,1-Trichloro- is a specialized halogenated acetylene derivative, serving as a high-value synthetic intermediate in advanced organic chemistry. This compound is critical for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications requiring precise functional group transformations.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex heterocycles and targeted drug molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for novel polymers and functional materials with specific optical or electronic properties.
• Organic Synthesis: Employed in click chemistry, Sonogashira couplings, and other cross-coupling reactions to introduce acetylene functionalities.
• Chemical Biology: Useful as a probe or linker in bioconjugation strategies and the development of biochemical tools.

Basic Information

Product Name	3-Butyn-2-One, 1,1,1-Trichloro-
CAS No.	735276-58-1
Molecular Formula	C4H3Cl3O
Molecular Weight	173.42 g/mol
Synonyms	1,1,1-Trichloro-3-butyn-2-one; 3-Butyn-2-one, 1,1,1-trichloro-; Trichloroacetylacetylene; 1,1,1-Trichlorobut-3-yn-2-one; 3-Butyn-2-one, trichloro-; 735276-58-1; Trichloroacetylethyne
EINECS	Contact for details

Quality Control

Our 3-Butyn-2-One, 1,1,1-Trichloro- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. Due to its light-sensitive nature, containers should be amber glass or opaque.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.