Description

4-Propylphenol is a versatile alkylphenol derivative serving as a critical intermediate in advanced organic synthesis. Its value lies in the propyl side chain, which offers a unique balance of lipophilicity and reactivity compared to other alkylphenols. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring phenolic frameworks with specific alkyl modifications.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its structure contributes to biological activity and environmental stability.
• Polymer & Resin Modifier: Acts as a monomer or chain terminator in the production of specialty phenolic resins, epoxy hardeners, and polycarbonates, influencing thermal and mechanical properties.
• Liquid Crystal & Electronic Materials: Serves as a precursor in the synthesis of advanced organic materials for liquid crystal displays (LCDs) and other electronic applications.
• Antioxidant & Stabilizer Precursor: A starting material for manufacturing phenolic antioxidants used in plastics, rubber, and fuels to prevent oxidative degradation.
• Fragrance & Flavor Intermediate: Employed in the controlled synthesis of aroma chemicals and flavoring agents for the fine chemicals industry.

Basic Information

Product Name	4-Propylphenol
CAS No.	645-56-7
Molecular Formula	C9H12O
Molecular Weight	136.19 g/mol
Synonyms	p-Propylphenol; 1-Hydroxy-4-propylbenzene; 4-n-Propylphenol; Phenol, 4-propyl-; p-n-Propylphenol; 4-Propyl-1-hydroxybenzene; Propylparaben (related but distinct, often confused)
EINECS	211-450-0

Quality Control

Our 4-Propylphenol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer specifications and industry benchmarks. A 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 at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

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)	Total impurities ≤ 2.0%

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