Description

Ethyl o-Tolylacetate is a versatile organic ester compound with the CAS registry number 40291-39-2. It serves as a valuable intermediate and building block in advanced organic synthesis, prized for its specific aromatic substitution pattern. This chemical is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and fragrance industries seeking to develop new active ingredients or specialty compounds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and other therapeutic compounds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Fragrance and Flavor Ingredient: Acts as a precursor or component in the creation of specific aromatic esters for perfumery and flavor formulations.
• Organic Synthesis Reagent: Employed in various chemical reactions, including esterifications, alkylations, and as a protecting group in multi-step syntheses.
• Research & Development: Utilized in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Polymer Modification: Can be used as a monomer or modifier in the synthesis of specialty polymers and resins.

Basic Information

Item	Details
Product Name	Ethyl o-Tolylacetate
CAS No.	40291-39-2
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	Ethyl 2-Methylphenylacetate; Ethyl (2-Methylphenyl)acetate; o-Tolylacetic Acid Ethyl Ester; 2-Methylbenzeneacetic Acid Ethyl Ester; Ethyl α-Tolylacetate; NSC 404087; Ethyl (o-Tolyl)acetate; Acetic Acid, (2-Methylphenyl)-, Ethyl Ester
EINECS	Contact for details

Quality Control

Our Ethyl o-Tolylacetate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters 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 away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.495 - 1.505
Density (20°C)	1.02 - 1.06 g/mL

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