Description

4-Methyl-3-pentenoic acid is a versatile, unsaturated carboxylic acid derivative with a reactive double bond, making it a valuable intermediate in organic synthesis. Its primary commercial value lies in its role as a key building block for the production of fine chemicals, pharmaceuticals, and specialty polymers. This compound is particularly sought after by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fragrance industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the manufacture of advanced pesticides, herbicides, and plant growth regulators.
• Fragrance and Flavor Ingredient: Acts as a starting material for creating specific ester derivatives used in perfumery and flavor compositions.
• Polymer Chemistry: Functions as a monomer or co-monomer in the production of specialty polymers, including adhesives and coatings.
• Organic Synthesis Reagent: Employed in various name reactions and as a building block for complex organic compounds in research laboratories.
• Chemical Research & Development: A valuable tool for exploring new synthetic pathways and methodologies in academic and industrial settings.

Basic Information

Product Name	4-Methyl-3-pentenoic Acid
CAS No.	504-85-8
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	4-Methyl-3-pentenoic acid; 3-Pentenoic acid, 4-methyl-; 4-Methylpent-3-enoic acid; β,γ-Dimethylacrylic acid; 3-Methylbut-2-ene-1-carboxylic acid; NSC 66499; 4-Methyl-δ3-pentenoic acid
EINECS	207-996-9

Quality Control

We maintain stringent quality control protocols for all our chemical intermediates. Each batch of 4-Methyl-3-pentenoic acid is analyzed using advanced techniques like GC and HPLC to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with your internal specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.445
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.