Description

p-Toluenesulfonic Acid n-Hexyl Ester is an organic sulfonate ester derivative of p-toluenesulfonic acid, valued for its role as a versatile chemical intermediate and latent acid catalyst. Its structure provides a balance of lipophilicity and reactivity, making it a key component in advanced synthesis and material formulation. This compound is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical industries seeking efficient alkylating or sulfonating agents.

Application

• Polymer Industry: Used as a catalyst or co-catalyst in polymerization reactions, including for resins and specialty plastics.
• Organic Synthesis: Serves as an alkylating agent or a protected sulfonate intermediate in multi-step synthetic routes.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) requiring selective sulfonation or esterification.
• Dye and Pigment Manufacturing: Acts as a reactant or processing aid in the production of colorants and dispersants.
• Lubricant and Fuel Additives: Functions as a precursor or performance additive component to modify properties like detergency or stability.
• Crosslinking Agent: Utilized in coatings, adhesives, and elastomer formulations to induce controlled crosslinking.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	p-Toluenesulfonic Acid n-Hexyl Ester
CAS No.	3839-35-8
Molecular Formula	C13H20O3S
Molecular Weight	256.36 g/mol
Synonyms	Hexyl p-toluenesulfonate; n-Hexyl tosylate; 4-Methylbenzenesulfonic acid hexyl ester; Tosic acid hexyl ester; p-Toluenesulfonic acid hexyl ester; Hexyl 4-methylbenzenesulfonate; n-Hexyl 4-toluenesulfonate; Hexyl p-tosylate
EINECS	223-340-5

Quality Control

Our p-Toluenesulfonic Acid n-Hexyl Ester is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting these results are provided and can be tailored to support compliance with cGMP, ISO, or other relevant quality frameworks for industrial and research applications.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent contact with atmospheric moisture. Store away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (20°C)	1.495 - 1.505

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