Description

2-Butenoic Acid, 2-Methylphenyl Ester, (E)- is a specific stereoisomer of an unsaturated aromatic ester. This compound is valued for its role as a versatile chemical intermediate and building block in advanced organic synthesis. It is primarily utilized by research and development laboratories and industrial manufacturers in the fine chemical, pharmaceutical, and agrochemical sectors seeking to introduce specific molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a specialized building block for creating complex esters, flavors, and fragrances.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of novel polymeric materials.
• Organic Synthesis: Employed in academic and industrial R&D for stereoselective reactions and the construction of complex organic architectures.

Basic Information

Product Name	2-Butenoic Acid, 2-Methylphenyl Ester, (E)-
CAS No.	99865-11-9
Molecular Formula	C11H12O2
Molecular Weight	176.21 g/mol
Synonyms	(E)-2-Methyl-2-butenoic acid o-tolyl ester; (E)-2-Methylcrotonic acid 2-methylphenyl ester; (E)-Tiglic acid o-tolyl ester; o-Tolyl (E)-2-methyl-2-butenoate; 2-Methylphenyl (E)-2-methylbut-2-enoate; (E)-2-Butenoic acid, 2-methyl-, 2-methylphenyl ester
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide material with a typical purity of ≥97% (by GC/HPLC), tailored to meet specific research or process requirements. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request for every batch.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage under inert atmosphere, please inquire.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥97.0%
Isomeric Purity (E/Z ratio)	≥98:2 (E:Z)

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