Description

2,2-Dimethyl-4-Pentenoic Acid is a versatile, branched-chain unsaturated carboxylic acid that serves as a valuable building block in advanced organic synthesis. Its unique structure, featuring a terminal alkene and a sterically hindered acid group, makes it a critical intermediate for creating complex molecules with tailored properties. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key starting material or advanced intermediate in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring sterically hindered carboxylic acid motifs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, where its structure can contribute to specific biological activity and environmental stability.
• Specialty Polymer Monomer: Serves as a monomer or co-monomer for producing polymers with specific characteristics like low viscosity, flexibility, or unique degradation profiles.
• Flavor & Fragrance Ingredient: Intermediate in the synthesis of esters and other compounds used to create complex, fruity, or green aroma profiles.
• Ligand & Catalyst Development: Utilized in organometallic chemistry for the preparation of chiral ligands or metal-organic frameworks (MOFs) due to its coordinative ability.
• Organic Synthesis Building Block: Employed in various name reactions (e.g., Michael additions, cyclizations) to construct complex organic scaffolds in medicinal and process chemistry.

Basic Information

Product Name	2,2-Dimethyl-4-Pentenoic Acid
CAS No.	16386-93-9
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	4-Pentenoic acid, 2,2-dimethyl-; 2,2-Dimethyl-4-pentenoic acid; 2,2-Dimethylvinylacetic acid; 3,3-Dimethyl-4-pentenoic acid; 4-Pentenoic acid, 2,2-dimethyl- (8CI); NSC 163471; β,β-Dimethylvinylacetic acid
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-4-Pentenoic Acid is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with detailed chromatographic data (HPLC/GC). Our quality systems are designed to meet the stringent requirements of cGMP and ISO standards for intermediate manufacturing, ensuring reliability for your critical R&D and production processes.

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 heat, sparks, and open flame. For long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen) to preserve purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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