Sustainable Stearic Acid CAS57-11-4 in Chemical Solutions

Stearic Acid is a common saturated fatty acid with the chemical formula C18H36O2. The following is a brief description of it:

1. Chemical properties
Molecular Formula: C18H36O2

Structure: It consists of a straight chain alkyl group with 17 carbon atoms and a carboxyl group (-COOH).

Physical properties: white solid at room temperature, slightly glossy, melting point about 69-70°C, boiling point about 361°C, insoluble in water, soluble in organic solvents (such as ethanol, ether).

2. Source
Natural sources: widely found in animal and plant fats and oils, such as tallow, suet, palm oil and coconut oil.

Industrial preparation: obtained by hydrolysis of fats and oils and separation and purification.

3. Application
Cosmetics: used as emulsifier, thickener and emollient.

Plastics and rubber: as lubricant and mould release agent.

Candles and soap: used in the manufacture of candles and soap.

Food industry: as lubricant and anti-caking agent.

Pharmaceuticals: used in the manufacture of tablets and ointments.

4. Safety and storage
Health Hazards: Low toxicity, but may irritate skin and eyes.

Storage: Should be stored in a cool, dry place away from sources of ignition and oxidising agents.

5. Environmental impact
Biodegradability: Biodegradable, but attention should be paid to the potential environmental impact of high concentration emissions.

Summary
Stearic acid is an important saturated fatty acid widely used in the cosmetic, plastics, food and pharmaceutical industries. Its natural origin and versatility make it a key ingredient in many industrial and household products.

Product specifications