Description

1-Phenyloctadecane is a high-purity, long-chain alkylbenzene compound with the CAS registry number 4445-07-2. This specialty organic chemical serves as a critical intermediate and functional additive, valued for its excellent hydrophobic character and thermal stability. It is essential for manufacturers and R&D laboratories in the pharmaceutical, advanced materials, and specialty lubricant sectors seeking reliable, high-quality raw materials for synthesis and formulation.

Application

• Pharmaceutical Intermediate: Used in the synthesis of lipophilic drug molecules and active pharmaceutical ingredients (APIs) requiring enhanced membrane permeability.
• Specialty Lubricant & Grease Formulation: Acts as a base oil or additive to improve viscosity index, oxidation stability, and water repellency in high-performance lubricants.
• Phase-Change Material (PCM): Investigated for use in thermal energy storage systems due to its suitable melting point and latent heat capacity.
• Organic Synthesis Building Block: Serves as a starting material or reagent in organic chemistry for introducing long alkyl chains into aromatic systems.
• Surfactant & Emulsifier Research: Functions as a model compound or hydrophobic tail group in the development of novel surfactants and dispersants.
• Reference Standard & Analytical Chemistry: Employed as a chromatographic standard in GC and HPLC analysis for method development and calibration.
• Polymer Plasticizer & Modifier: Used to modify the flexibility and processing characteristics of specific polymer resins.
• Cosmetic & Personal Care Ingredients: Utilized as an emollient or skin-conditioning agent in high-end cosmetic formulations.

Basic Information

Product Name	1-Phenyloctadecane
CAS No.	4445-07-2
Molecular Formula	C₂₄H₄₂
Molecular Weight	330.59 g/mol
Synonyms	n-Octadecylbenzene; Octadecylbenzene; 1-Octadecylbenzene; Phenyldodecane (common misnomer); n-1-Phenyloctadecane; Benzene, octadecyl-; Linear alkylbenzene C24; LAB C24
EINECS	224-677-6

Quality Control

Our 1-Phenyloctadecane is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for manufacturing, ensuring reliability for critical applications.

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). Keep away from strong oxidizing agents, strong acids, and heat sources. For long-term storage, consider under an inert atmosphere such as nitrogen to prevent potential oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Residue on Ignition	≤ 0.1%

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