Description

4-Methyl-2-Pentenoic Acid is a versatile unsaturated carboxylic acid with the CAS registry number 10321-71-8. 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 relevant for manufacturers in the pharmaceutical, flavor & fragrance, and fine chemical industries seeking high-purity intermediates for their processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Flavor and Fragrance Ingredient: Acts as a precursor for esters and other compounds that contribute to specific flavor or aroma profiles.
• Agrochemical Synthesis: Serves as a key intermediate in the production of certain herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Utilized in the creation of specialty polymers, coatings, and resins, where its unsaturated bond allows for cross-linking or functionalization.
• Organic Synthesis Reagent: Employed in research and development laboratories as a reagent for constructing complex organic structures.
• Liquid Crystal and Electronic Material Precursor: Can be used in the synthesis of advanced materials for electronic applications.

Basic Information

Product Name	4-Methyl-2-Pentenoic Acid
CAS No.	10321-71-8
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	4-Methyl-2-pentenoic acid; 2-Pentenoic acid, 4-methyl-; 4-Methylpent-2-enoic acid; β,γ-Dimethylacrylic acid; 3-Methylcrotonic acid; 4-Methyl-δ2-pentenoic acid; NSC 66484
EINECS	233-694-4

Quality Control

Our 4-Methyl-2-Pentenoic Acid is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets the required purity and identity specifications. A comprehensive Certificate of Analysis (COA) detailing the results for all critical parameters is provided with each shipment to guarantee traceability and consistency.

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 between 15°C and 25°C. The product is a strong acid/organic solvent; handle with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.450
Density (20°C)	0.96 - 0.98 g/mL

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