Description

4-Isopentylphenol is a versatile alkylphenol derivative, also known as 4-(3-Methylbutyl)phenol, valued for its role as a key chemical intermediate in organic synthesis. Its molecular structure makes it a valuable building block for creating more complex molecules, particularly in the production of specialty chemicals and functional materials. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and polymer industries seeking reliable, high-purity intermediates.

Application

• Pharmaceutical Intermediate: Serves as a precursor in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a monomer or additive to modify the properties of phenolic resins and other polymers.
• UV Stabilizer & Antioxidant Precursor: A key starting material in the manufacture of light stabilizers and antioxidant compounds for plastics and coatings.
• Fragrance & Flavor Ingredient Intermediate: Employed in the synthesis of aroma chemicals and flavoring agents.
• Lubricant & Fuel Additive Component: Used in the formulation of specialty additives for enhancing performance characteristics.
• Research & Development: A valuable reagent for organic chemists in academic and industrial research settings.
• Surfactant & Detergent Industry: Can be used in the production of alkylphenol ethoxylates for specialized applications.

Basic Information

Product Name	4-Isopentylphenol
CAS No.	1805-61-4
Molecular Formula	C11H16O
Molecular Weight	164.24 g/mol
Synonyms	4-(3-Methylbutyl)phenol; p-Isopentylphenol; Phenol, 4-(3-methylbutyl)-; 4-(3-Methylbutyl)phenol; 1-Hydroxy-4-(3-methylbutyl)benzene; p-(Isoamyl)phenol; 4-Isoamylphenol; 1805-61-4 (CAS)
EINECS	217-310-9

Quality Control

Our 4-Isopentylphenol is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support compliance with global regulatory standards including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%
Melting Point / Boiling Point	Contact for details
Refractive Index / Density	Contact for details

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