Description

3-Pentanol, 4-Methylbenzenesulfonate is a high-purity chemical intermediate, specifically the tosylate ester of 3-pentanol. This compound is valued for its role as a versatile building block in advanced organic synthesis, offering a stable and reactive leaving group for nucleophilic substitution reactions. It is primarily required by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Key synthon in the multi-step synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Acts as an alkylating agent or protecting group precursor in complex molecular construction.
• Material Science Research: Employed in the development of novel polymers, liquid crystals, and organic electronic materials.
• Flavor & Fragrance Industry: Serves as a precursor for the synthesis of specific ester compounds.
• Academic & R&D: Essential for methodological studies and catalysis research in university and corporate laboratories.

Basic Information

Product Name	3-Pentanol, 4-Methylbenzenesulfonate
CAS No.	950-25-4
Molecular Formula	C₁₂H₁₈O₃S
Molecular Weight	242.33 g/mol
Synonyms	3-Pentyl 4-methylbenzenesulfonate; 3-Pentyl tosylate; sec-Pentyl tosylate; 1-Ethylpropyl p-toluenesulfonate; p-Toluenesulfonic acid 3-pentyl ester; 950-25-4; 3-Pentanol tosylate; Pentan-3-yl 4-methylbenzenesulfonate
EINECS	Contact for details

Quality Control

Our 3-Pentanol, 4-Methylbenzenesulfonate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay (HPLC), identification (IR, NMR), and impurity profiling, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.