Description

2-Ethyl-2-Butenoic Acid is a versatile, unsaturated carboxylic acid derivative valued for its reactive double bond and acidic functionality. This compound serves as a crucial building block in organic synthesis, enabling the creation of complex molecules for advanced material and pharmaceutical applications. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for use in synthesis and formulation.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Serves as a key precursor for manufacturing herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modification: Employed as a co-monomer or cross-linking agent to introduce carboxylic acid groups into polymer chains, enhancing properties like adhesion and reactivity.
• Fine Chemical Production: Acts as a versatile synthon for producing flavors, fragrances, and other specialty organic compounds.
• Chemical Research & Development: Utilized in academic and industrial labs for method development and exploring new synthetic pathways.
• Lubricant & Fuel Additive Precursor: Can be derivatized to produce additives that improve performance characteristics.

Basic Information

Product Name	2-Ethyl-2-Butenoic Acid
CAS No.	4411-99-8
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	2-Ethylbut-2-enoic Acid; 2-Ethylcrotonic Acid; 2-Ethyl-2-butenoic Acid; (E)-2-Ethyl-2-butenoic Acid; 2-Ethylidenebutanoic Acid; α-Ethylcrotonic Acid; 3-Pentene-3-carboxylic Acid; Ethylidenebutyric Acid
EINECS	224-560-8

Quality Control

Our 2-Ethyl-2-Butenoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets high-purity standards suitable for synthesis. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

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 2-8°C for long-term stability. The product is a strong acid/organic solvent; handle with appropriate personal protective equipment in a fume hood.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.445 - 1.455
Density (g/mL at 20°C)	0.98 - 1.02

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