Description

o-Tolyl p-Toluenesulfonate is a specialized organic sulfonate ester, a key intermediate in fine chemical synthesis. This compound matters for its role in facilitating controlled chemical transformations, particularly in the development of advanced materials and active pharmaceutical ingredients. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• As a versatile alkylating or sulfonylating agent in organic synthesis for pharmaceuticals.
• Intermediate in the production of liquid crystal materials and other advanced organic electronic components.
• Key building block for synthesizing photoacid generators (PAGs) used in photoresist formulations for semiconductor manufacturing.
• Used in the research and development of agrochemicals, such as herbicides and fungicides.
• Employed in polymer chemistry as a modifier or cross-linking agent for specialty resins.
• Acts as a precursor in the synthesis of dyes and pigments.
• Utilized in analytical chemistry as a reference standard or reagent.

Basic Information

Item	Detail
Product Name	o-Tolyl p-Toluenesulfonate
CAS No.	599-75-7
Molecular Formula	C14H14O3S
Molecular Weight	262.32 g/mol
Synonyms	2-Methylphenyl 4-methylbenzenesulfonate; o-Cresyl p-toluenesulfonate; o-Tolyl tosylate; 2-Tolyl tosylate; 4-Methylbenzenesulfonic acid 2-methylphenyl ester; Tosic acid o-tolyl ester; (2-Methylphenyl) 4-methylbenzenesulfonate
EINECS	Contact for details

Quality Control

Our o-Tolyl p-Toluenesulfonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request, providing full traceability and compliance with your internal quality standards.

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 bases, strong oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Contact for details

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