Description

4-Methylpent-2-Enoic Acid is a versatile unsaturated carboxylic acid characterized by its reactive double bond and carboxylic acid functionality. This compound serves as a valuable building block and intermediate in the synthesis of more complex molecules, including pharmaceuticals, agrochemicals, and specialty polymers. It is particularly sought after by research institutions and industrial manufacturers in the fine chemical, pharmaceutical, and material science sectors for its utility in creating novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: A key starting material in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modification: Acts as a monomer or co-monomer to introduce functional groups into polymers, enhancing properties like adhesion or reactivity.
• Fine Chemical Production: Employed in the manufacture of flavors, fragrances, and other specialty organic compounds.
• Chemical Research & Development: Serves as a versatile reagent in organic synthesis for academic and industrial R&D laboratories.
• Crosslinking Agent: Utilized in formulations for coatings, adhesives, and sealants to improve durability and performance.

Basic Information

Product Name	4-Methylpent-2-Enoic Acid
CAS No.	1775-44-6
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	4-Methyl-2-pentenoic acid; 4-Methylpent-2-enoic acid; 2-Pentenoic acid, 4-methyl-; β,γ-Dimethylacrylic acid; 3-Methylcrotonic acid (common misnomer); 4-Methyl-δ2-pentenoic acid; (E/Z)-4-Methylpent-2-enoic acid (isomer mixture)
EINECS	217-207-5

Quality Control

Our 4-Methylpent-2-Enoic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, providing full traceability and compliance with your internal quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its nature as a strong acid/organic solvent, it should be stored separately from bases, oxidizing agents, and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.450
Density (20°C)	0.98 - 1.02 g/mL

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