Octadecylamine - White Solid That Functions As A Lubricant

Hair conditioner is used to protect the hair cuticle, the outermost layer of the hair. The cuticle controls the water content of the hair fiber and protects the inner layer to provide strength and texture to the hair.

Did you know that hair conditioner has cationic surfactant properties, a positively charged polar group in its hydrophilic group? This ingredient is found in hair conditioner.

However, this time it's not about hair conditioner, but octadecylamine, a white solid that is not easily soluble in water.

What is Octadecylamine?

Octadecylamine resembles a white solid. It is not easily soluble in water and its density is less than water.

This solid is soluble in chloroform, alcohol, ether, and benzene, and is not easily soluble in water.

Structure of Octadecylamine

• Molecular weight: 269.51

• Exact Mass: 269.51

• BRN: 636111

• EC Number: 204-695-3

• UNII：FFV58UNY7O

• ICSC Number：1365

• NSC Number：9857

• UN Number：1759

• DSSTox ID：DTXSID1025801|DTXSID3028053

• HS Code：29211980

Physical and Chemical Properties of Octadecylamine

The chemical structure of Octadecylamine includes an atomic arrangement consisting of 57 molecular bonds. These bonds consist of 18 non-H bonds, 16 rotatable bonds, and 1 primary amine (aliphatic).

From its physical characteristics, octadecylamine is a white solid that is insoluble in water. This is because its density is lower than water.

This compound causes irritation if it comes into contact with eyes, skin, and mucous membranes. If swallowed, it may be toxic.

• Boiling point: 346.8 °C

• Melting point: 52.9 °C

• Flash point: 148 °C

• Density: 0.8618

• Vapor density: 9.29

• Linear Formula: CH3(CH2)17NH2

• Amount: 25 grams

• Beilstein: 636111

• Solubility Information: Soluble in chloroform, alcohol, ether, benzene, and acetone. Insoluble in water.

• Formula Weight: 269.52

• Purity Percentage: 97%

Advantages of Octadecylamine

Octadecylamine can act as a cationic surfactant with adhesive properties. Cationic surfactants have a positive polar group and are positively charged in their hydrophilic group.

In addition, octadecylamine is soluble in chloroform, alcohol, ether, benzene, and acetone. However, it is not soluble in water.

Applications of Octadecylamine

Octadecylamine is widely used as an asphalt emulsifier, lubricant, and dispersant. It acts as a cationic surfactant found in hair rinses, wood preservatives, textile softeners, dyes, and pigment grinding aids.