Undecane

Undecane (CAS 1120-21-4, EC 214-300-6, formula C11H24) is a straight-chain saturated hydrocarbon also known as hendecane or n-C11H24. It carries no E-code designation and is classified under HS code 29011090. It belongs to the alkane solvent category alongside related mid-chain hydrocarbons.

In oil and gas applications, undecane serves as a reference standard and diluent in hydrocarbon stream analysis, where its defined boiling point aids in calibration. In polymer and lubricant formulations, it functions as a carrier solvent, controlling viscosity and enabling uniform dispersion of additives during compounding and blending operations.

Undecane is supplied as a colourless liquid in technical and high-purity grades, with specifications aligned to REACH registration requirements for EU market compliance. Packaging is typically available in drums and intermediate bulk containers. Buyers should confirm grade suitability against internal formulation or analytical specifications prior to ordering.