| Identification | Back Directory | [Name]
N-OCTADECYLPHOSPHONIC ACID | [CAS]
4724-47-4 | [Synonyms]
ODPA
stearylphosphonic acid
octadecylphosphonic acid
Octadecanephosphonic acid
N-OCTADECYLPHOSPHONIC ACID
1-Octadecylphosphonic acid
1-Octadecanephosphonic acid
Octadecylphosphonic acid 97%
N-OCTADECYLPHOSPHONIC ACID, 93+%
n-Octadecylphosphonic acid, 98 %
n-Octadecylphosphonicacid,min.97%
n-Octadecylphosphonic acid,min. 97%
n-Octadecylphosphonic acid, min. 97% ODPA
Stearylphosphonic acid SynonyMs Octadecanephosphonic acid | [EINECS(EC#)]
225-216-4 | [Molecular Formula]
C18H39O3P | [MDL Number]
MFCD00015838 | [MOL File]
4724-47-4.mol | [Molecular Weight]
334.47 |
| Chemical Properties | Back Directory | [Appearance]
crystalline solid | [Melting point ]
99℃ | [Boiling point ]
463.6±28.0 °C(Predicted) | [density ]
0.969 | [form ]
Crystalline | [pka]
2?+-.0.10(Predicted) | [color ]
White to off-white | [Stability:]
Stable. Incompatible with strong oxidizing agents. | [Water Solubility ]
Insoluble in water. | [Hydrolytic Sensitivity]
4: no reaction with water under neutral conditions | [InChIKey]
FTMKAMVLFVRZQX-UHFFFAOYSA-N | [CAS DataBase Reference]
4724-47-4 | [EPA Substance Registry System]
Phosphonic acid, octadecyl- (4724-47-4) |
| Hazard Information | Back Directory | [Chemical Properties]
crystalline solid | [General Description]
Octadecylphosphonic acid (OPA) is used as a self-assembled monolayer that forms a surfactant which strongly bonds with the surface atoms of different metal oxides. It provides hydrophobic properties and covers a higher surface area than the predominantly used silanes. |
| Questions And Answer | Back Directory | [Uses]
Octadecylphosphonic acid is used as detergents, dispersants, emulsifiers, and chelating agents. Alkyl phosphonic acids are typically sparingly soluble in both organic solvents and water, but become more soluble in water when neutralized to phosphonates at neutral to high pH.
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