Description

3-Pentyn-2-ol, 5-Chloro- is a specialized halogenated acetylenic alcohol with the CAS registry number 52481-72-8. This compound serves as a versatile and valuable chemical building block for advanced organic synthesis, offering a unique combination of reactive functional groups. It is primarily utilized by pharmaceutical intermediates manufacturers and agrochemical research facilities for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring halogenated or alkyne motifs.
• Agrochemical Research: Used in the development and production of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, click chemistry, and other advanced methodologies to introduce functional complexity.
• Material Science Precursor: Potential monomer or modifier in the synthesis of specialized polymers and advanced materials.
• Fine Chemical Production: Serves as a starting material for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new chemical spaces in research laboratories.

Basic Information

Product Name	3-Pentyn-2-ol, 5-Chloro-
CAS No.	52481-72-8
Molecular Formula	C5H7ClO
Molecular Weight	118.56 g/mol
Synonyms	5-Chloro-3-pentyn-2-ol; 5-Chloropent-3-yn-2-ol; 1-Chloro-3-butyn-2-ol (tautomeric form); 5-Chloro-2-pentyn-4-ol; Chlorinated pentynol; Halogenated acetylenic alcohol; 3-Pentyn-2-ol, 5-chloro-; 52481-72-8
EINECS	Contact for details

Quality Control

Our 3-Pentyn-2-ol, 5-Chloro- is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to the presence of reactive functional groups, it is recommended to store under an inert atmosphere for long-term stability and to minimize the risk of degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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