N-Tetradecylphosphonic Acid

Specification: Enterprise standard
CAS: 4671-75-4

 

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Basic Information

Product Name: N-Tetradecylphosphonic Acid

Chinese Name: N-十四烷基膦酸

Molecular Formula: C₁₄H₃₁O₃P

Molecular Weight: 278.37 g/mol

Structure: N-Tetradecylphosphonic acid consists of a straight-chain tetradecyl (C14) alkyl group attached to a phosphonic acid functional group (-PO(OH)₂), making it an alkylphosphonic acid.


N-Tetradecylphosphonic acid is a long-chain alkyl phosphonic acid commonly used as a surface-modifying agent due to its strong affinity for metal oxides. The phosphonic acid group enables stable chemisorption onto metal and metal oxide surfaces, while the hydrophobic alkyl chain imparts self-assembly and surface compatibility, making it valuable in nanotechnology, coatings, and materials science.

 

Main Uses

Surface treatment agent for metal oxides such as TiO₂, ZnO, and Al₂O₃.

Modifier for nanoparticle surfaces to improve dispersion and compatibility.

Intermediate in the synthesis of organophosphorus compounds and surfactants.

 

Typical Applications

Formation of self-assembled monolayers (SAMs) on metal oxide substrates.

Used in corrosion-resistant coatings and functional thin films.

 

Applied in the design of hybrid organic-inorganic nanomaterials and functional interfaces.