Description

2-Butenoic Acid, 4-Methoxy-, Methyl Ester is a specialized organic ester compound with the CAS registry number 59424-95-2. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, prized for its reactive α,β-unsaturated ester functionality. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring methoxy-substituted butenoate frameworks.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Polymer Chemistry: Can be employed as a monomer or cross-linking agent in the development of specialty polymers and coatings.
• Organic Synthesis Research: A versatile reagent in academic and industrial R&D labs for Michael addition reactions, cyclizations, and other C-C bond forming processes.
• Material Science: Investigated for use in the synthesis of advanced organic electronic materials and liquid crystals.

Basic Information

Product Name	2-Butenoic Acid, 4-Methoxy-, Methyl Ester
CAS No.	59424-95-2
Molecular Formula	C₆H₁₀O₃
Molecular Weight	130.14 g/mol
Synonyms	Methyl 4-Methoxy-2-butenoate; 4-Methoxy-2-butenoic Acid Methyl Ester; Methyl 4-Methoxybut-2-enoate; 2-Butenoic acid, 4-methoxy-, methyl ester; (E)-Methyl 4-methoxybut-2-enoate; (Z)-Methyl 4-methoxybut-2-enoate; 4-Methoxycrotonic Acid Methyl Ester
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity. Our standard grade for 2-Butenoic Acid, 4-Methoxy-, Methyl Ester typically meets a purity specification of ≥95% (by GC or HPLC). Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We can supply material tailored to meet specific customer requirements, including higher purity grades for demanding synthetic applications.

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 likely light-sensitive and should be stored away from light. For long-term storage, consider holding under an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	~1.05 - 1.10
Refractive Index (20°C)	~1.43 - 1.45

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