Description

Octadecane-1,2-Diol is a high-purity, long-chain aliphatic diol with versatile chemical functionality. This compound is valued for its role as a crucial intermediate in synthesizing specialty polymers, surfactants, and lubricant additives, offering excellent hydrophobicity and chain length. It is primarily sought by manufacturers in the polymer, personal care, and specialty chemical industries for applications requiring precise molecular structure and consistent quality.

Application

• Polymer Synthesis: A key monomer for producing polyesters and polyurethanes, imparting flexibility and hydrophobicity to the final polymer.
• Surfactants & Emulsifiers: Serves as a hydrophobic building block in the manufacture of non-ionic surfactants for industrial and cosmetic formulations.
• Lubricant & Grease Additives: Used to synthesize ester-based components that enhance viscosity index and thermal stability in synthetic lubricants.
• Personal Care Ingredients: Employed in the synthesis of emollients and viscosity modifiers for creams, lotions, and other cosmetic products.
• Chemical Intermediate: A versatile precursor in organic synthesis for pharmaceuticals, agrochemicals, and other fine chemicals.
• Coating & Resin Modifier: Incorporated into coating formulations to improve flexibility, adhesion, and water resistance.

Basic Information

Product Name	Octadecane-1,2-Diol
CAS No.	20294-76-2
Molecular Formula	C₁₈H₃₈O₂
Molecular Weight	286.50 g/mol
Synonyms	1,2-Octadecanediol; 1,2-Dihydroxyoctadecane; Octadecane-1,2-diol; Stearyl Glycol; 1,2-Stearyl Glycol; 1,2-Hydroxyoctadecane; 1,2-Octadecylene Glycol; 1,2-Dihydroxystearyl Alcohol
EINECS	243-705-2

Quality Control

Our Octadecane-1,2-Diol is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets the high standards required for industrial and fine chemical synthesis. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance with your 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 hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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