Description

Isobutyl 2-Butenoate is an ester derivative of 2-butenoic acid, valued for its role as a versatile chemical intermediate and flavor/fragrance component. Its structure makes it a valuable building block for synthesizing more complex molecules in fine chemical and pharmaceutical manufacturing. This product is essential for industries requiring high-purity ester compounds for applications ranging from specialty polymers to aroma chemicals.

Application

• Flavor and Fragrance (F&F) Industry: Used as a synthetic flavoring agent or fragrance intermediate, contributing fruity or buttery notes to food products and perfumes.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Polymer and Resin Production: Acts as a monomer or co-monomer in the production of specialty polymers, coatings, and adhesives.
• Organic Synthesis: Utilized in various organic reactions, including esterifications and transesterifications, to create novel compounds for research and development.
• Solvent and Plasticizer Formulations: Functions as a specialty solvent or a component in plasticizer blends for specific industrial applications.

Basic Information

Product Name	Isobutyl 2-Butenoate
CAS No.	589-66-2
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	Isobutyl crotonate; 2-Butenoic acid, 2-methylpropyl ester; Crotonic acid isobutyl ester; Isobutyl (E)-2-butenoate; Isobutyl trans-2-butenoate; 2-Methylpropyl 2-butenoate; Butyl isocrotonate (ambiguous)
EINECS	209-652-5

Quality Control

Our Isobutyl 2-Butenoate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting these results are provided to guarantee supply reliability and batch-to-batch consistency for your critical processes.

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. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.422 - 1.426
Density (20°C)	0.880 - 0.900 g/mL
Water Content (KF)	≤ 0.5%

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