Description

4-Pentenoic Acid, 4-Methyl- is a versatile, unsaturated carboxylic acid derivative with a reactive terminal alkene group. This unique structure makes it a valuable building block in organic synthesis, particularly for creating complex molecules through addition and cyclization reactions. It is primarily utilized by pharmaceutical intermediates, agrochemical, and specialty chemical manufacturers for research and production-scale applications.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent to introduce functional groups into polymer chains, enhancing material properties.
• Fine Chemical Production: Employed in the manufacture of flavors, fragrances, and other high-value specialty chemicals.
• Organic Synthesis Reagent: Utilized in research laboratories for Michael additions, cycloadditions, and other carbon-carbon bond forming reactions.
• Lubricant & Fuel Additive Component: Incorporated into formulations to improve performance characteristics.

Basic Information

Product Name	4-Pentenoic Acid, 4-Methyl-
CAS No.	1001-75-8
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	4-Methyl-4-pentenoic Acid; 4-Methylpent-4-enoic Acid; 4-Methyl-4-pentenoic acid; 4-Methyl-δ⁴-pentenoic Acid; 4-Methyl-4-pentenoic acid (VINYLACETIC ACID, 3-METHYL-); 3-Methylvinylacetic acid; 4-Methylpent-4-enoic acid; 4-Pentenoic acid, 4-methyl-
EINECS	213-690-8

Quality Control

Our 4-Methyl-4-pentenoic acid is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every 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 between 15°C and 25°C. Keep container tightly sealed when not in use to minimize exposure to air and moisture.

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)	1.428 - 1.432
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.