Email Us
n octanol


n-Octanol, also known as octan-1-ol or 1-octanol, is a chemical compound with the molecular formula C8H18O. It is classified as a fatty alcohol due to its long carbon chain. n-Octanol is a colorless liquid with a characteristic odor.

CAS NO:111-87-5 

Molecular formula: C8H18O

Molecular weight: 130.23 (according to the Standard Atomic Weights 1987)

Contact Us

Structureof n-Octanol



Molecular formula


Molecular weight

130.23 (according to the Standard Atomic Weights 1987)

Molecular structure diagram:

N-Octanol of Molecular Structure Diagram

Properties: This product is colorless and transparent liquid with strong aromatic smell.

Introduction of n-Octanol


Application: n-Octanol finds applications as a solvent in chemical processes, a flavor and fragrance ingredient, a pharmaceutical excipient, and a surfactant. It is also used in research laboratories, as a chemical intermediate, and for its emulsifying properties in personal care and cleaning products.


Packing: Tank wagon, 160 kg/galvanized iron drum.


Storage: Stored in a cool and ventilated warehouse. Kept away from fire and heat sources. Stored separately from oxidants, acids and edible chemicals, without being mixed. Equipped with suitable variety and quantity of firefighting devices. Equipped with emergency treatment devices for leakage and suitable containers in storage area.

Specifications of n-Octanol


Quality Index

Test Method

Density (20℃)kg/m3



Boiling Point ℃


Flash Point (open cup method) ℃


GB/T 261

Melting Point ℃


Refractive Index(Nd20)


Chroma (Pt-Co Color Number)



Function Principle of n-Octanol


Solvent: n-Octanol acts as a solvent by dissolving substances that are not highly soluble in water but are soluble in organic solvents. It can dissolve oils, waxes, resins, and many organic compounds. Its long carbon chain allows it to interact with nonpolar molecules.


Flavor and fragrance ingredient: In the flavor and fragrance industry, n-Octanol contributes its own mild, fatty odor. It serves as a base or carrier for aromatic compounds, helping to enhance and deliver desired scents or flavors.


Pharmaceutical excipient: n-Octanol is utilized as a pharmaceutical excipient, meaning it is added to medications to aid in their formulation, stability, or administration. It can help solubilize or suspend active ingredients and improve their delivery.


Surfactant: n-Octanol can function as a surfactant, which means it reduces surface tension and enables the emulsification of oils and water. This property makes it useful in personal care products and cleaning formulations.


Chemical intermediate: n-Octanol serves as a chemical intermediate in the synthesis of various compounds. It can undergo chemical reactions to produce esters, plasticizers, and other derivatives used in industries like plastics, coatings, and textiles.


Research and laboratory applications: n-Octanol finds use in research laboratories as a solvent for experiments, extractions, and purifications. Its solubility characteristics make it valuable for dissolving specific substances of interest.

Precautions for n-Octanol

Is N-Octanol Safe to Use?

 N-Octanol is generally considered safe when handled properly. However, it can be irritating to the eyes, skin, and respiratory system. It is important to follow appropriate safety precautions and guidelines when working with n-Octanol, including using protective equipment and ensuring proper ventilation.

Can N-Octanol Be Used in the Food Industry?

While n-Octanol is primarily used as a flavor and fragrance ingredient, its specific use in the food industry may vary. It is essential to comply with food regulations and guidelines and consult specific product information to determine its suitability for food applications.