Description

2,2-Diethyl-3-Butenoic Acid is a specialized, branched-chain unsaturated carboxylic acid that serves as a valuable intermediate in advanced organic synthesis. Its unique structure, featuring both a carboxylic acid group and a terminal alkene, makes it a versatile building block for creating complex molecules with tailored properties. This compound is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for creating molecules with specific steric and electronic properties.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its diethyl-substituted structure can influence biological activity.
• Specialty Polymer Monomer: Acts as a functional monomer for introducing carboxylic acid groups and branching points into polymers, modifying properties like adhesion, solubility, and cross-linking density.
• Fine Chemical Production: Employed in multi-step organic synthesis for creating complex esters, amides, and other derivatives used in flavors, fragrances, and advanced materials.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing chelating ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Research & Development: A valuable tool in academic and industrial R&D for exploring new chemical reactions and building molecular libraries.

Basic Information

Product Name	2,2-Diethyl-3-Butenoic Acid
CAS No.	38477-05-3
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	3-Butenoic acid, 2,2-diethyl-; 2,2-Diethylbut-3-enoic acid; Diethylvinylacetic acid; 2,2-Diethylvinylacetic acid; (2,2-Diethylvinyl)acetic acid; 3-Butenoic acid, 2,2-diethyl- (9CI); NSC 163880
EINECS	Contact for details

Quality Control

Every batch of 2,2-Diethyl-3-Butenoic Acid is produced and tested under a strict quality management system. We ensure high purity and consistency through advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (20°C)	0.95 - 0.98 g/mL

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