Description

Ethyl o-Toluenesulphonate is an organic sulfonate ester, specifically the ethyl ester of o-toluenesulfonic acid. This compound serves as a versatile alkylating agent and a key chemical intermediate in the synthesis of more complex molecules. It is primarily utilized by manufacturers in the pharmaceutical and agrochemical industries for research, development, and production processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Acts as a building block in the production of herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Manufacturing: Employed as an intermediate in the synthesis of specialty dyes and organic pigments.
• Polymer Chemistry: Can be used as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Organic Synthesis: Serves as a reagent for introducing the ethylsulfonyl or tolyl groups into target molecules in research laboratories.
• Chemical Research: Utilized in academic and industrial R&D for method development and novel compound synthesis.

Basic Information

Item	Detail
Product Name	Ethyl o-Toluenesulphonate
CAS No.	59222-96-7
Molecular Formula	C9H12O3S
Molecular Weight	200.26 g/mol
Synonyms	Ethyl 2-methylbenzenesulfonate; Ethyl o-tosylate; 2-Methylbenzenesulfonic acid ethyl ester; o-Toluenesulfonic acid ethyl ester; Ethyl 2-toluenesulfonate; Ethyl ortho-toluenesulfonate; ETOS; Tosic acid ethyl ester (o-isomer)
EINECS	Contact for details

Quality Control

Our Ethyl o-Toluenesulphonate is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. Certificates of Analysis (COA) documenting purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent degradation.

Specification

Item	Specification
Appearance	Clear, 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%
Density	~1.18 g/cm³

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