Octadecylphosphonic acid Chemical Properties

Melting point:

99℃

Boiling point:

463.6±28.0 °C(Predicted)

Density 

0.969

pka

2?+-.0.10(Predicted)

form 

Crystalline

color 

White to off-white

Water Solubility 

Insoluble in water.

Hydrolytic Sensitivity

4: no reaction with water under neutral conditions

Stability:

Stable. Incompatible with strong oxidizing agents.

InChIKey

FTMKAMVLFVRZQX-UHFFFAOYSA-N

CAS DataBase Reference

4724-47-4

EPA Substance Registry System

Phosphonic acid, octadecyl- (4724-47-4)

Safety Information

WGK Germany 

3

TSCA 

Yes

HS Code 

29319090

MSDS

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Octadecylphosphonic acid Usage And Synthesis

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. 

Chemical Properties

crystalline solid

Uses

n-Octadecylphosphonic acid is used in thermal paper for receipts, adding machines and tickets. It acts as surfactant, emulsifier, dispersants and chelating agents. Further, it is a long chain phosphonic acid compound utilized for proteomics research. In addition to this, it is used to prepare modified mesoporous magnetic nano particles through Lewis acid/base interaction.

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.

Octadecylphosphonic acid(4724-47-4)Related Product Information

• 4-Methoxyphenylacetic acid
• THIODIGLYCOLIC ANHYDRIDE
• 3-(4-Hydroxyphenyl)propionic acid
• 4-Bromochlorobenzene
• 1-NONANESULFONIC ACID SODIUM SALT
• Trimethyl phosphate
• Phthalates
• Benzenepropanoic acid,3-(1,1-dimethylethyl)-4-hydroxy-,octadecyl ester
• 4-Chlorobenzoic acid
• o-Anisaldehyde
• N-HEXYLPHOSPHONIC ACID
• N-HEXADECYLPHOSPHONIC ACID
• N-TETRADECYLPHOSPHONIC ACID
• Octadecylphosphonic acid
• N-DODECYLPHOSPHONIC ACID
• N-OCTYLPHOSPHONIC ACID
• 1-DECYLPHOSPHONIC ACID
• Octadecylphosphonic acid, dimethyl ester