| Name | Oleic acid soap |
| Molecular Formula | CH3(CH2)7CH=CH(CH2)7COONa |
| Physical and Chemical Properties | Soluble in ethanol, the solution is neutral. Insoluble in petroleum ether. The commercially available products contain arsenic below 2 mg/kg, heavy metals below 40 mg/kg, free alkali below 0.5%, and strong heat residue 22% ~ 25%. |
| Use | Used as a coating agent, together with oxyethylene higher fatty alcohol, used for coating on the surface of melons, fruits and vegetables. It should not be used as other food additives. |