Octadecylphosphonic acid (CAS 4724-47-4) is a long-chain alkylphosphonic acid appearing as a white crystalline solid. Its phosphonate head group binds strongly to metal oxide surfaces, while the C18 tail imparts hydrophobicity and organic-matrix compatibility.
Octadecylphosphonic acid
Category:Organic Intermediates
CAS No.:4724-47-4
Product Grade: Industrial Grade
Purity / Assay: 98%
Molecular Formula:C₁₈H₃₉O₃P
Molecular Weight:334.48
EINECS No.:225-216-4
Synonym(s):ODPA; n-Octadecylphosphonic acid; Stearylphosphonic acid
Octadecylphosphonic acid (CAS 4724-47-4) is a long-chain alkylphosphonic acid appearing as a white crystalline solid. Its phosphonate head group binds strongly to metal oxide surfaces, while the C18 tail imparts hydrophobicity and organic-matrix compatibility.
1. Forms self-assembled monolayers on TiO2, Al2O3 and other metal oxides for surface engineering.
2. Serves as a coupling agent and adhesion promoter in organic–inorganic composites.
3. Used as a corrosion-protective and superhydrophobic coating on copper and copper–nickel alloys.
4. Applied in thermal-paper developers and as a surfactant/chelating additive.
25kg/bag; 25kg/drum
CAS No.: 4724-47-4
Product Name: Octadecylphosphonic acid
Purity / Assay:98%
Molecular Formula:C₁₈H₃₉O₃P
Molecular Weight:334.48
EINECS No.:225-216-4
Synonym(s):ODPA; n-Octadecylphosphonic acid; Stearylphosphonic acid
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