Paraffin wax
[CAS# 8002-74-2]

Identification

• Classification: Food additive >> Film agent
• Name: Paraffin wax
• Synonyms: Hard Paraffin
• Molecular Formula: C₃₁H₆₄
• Molecular Weight: 436.84
• CAS Registry Number: 8002-74-2 (12704-91-5)
• EC Number: 647-510-5

Properties

• Solubility: Soluble (Chloroform, Ether, Volatile Oils, practically insoluble (Acetone, Ethanol, Water)
• Melting point: 53-58 °C
• Flash point: 113 °C

Discovery and Applications

Paraffin wax is a white or colorless soft solid derived from petroleum, coal, or shale oil. It is composed mainly of saturated hydrocarbons and is known for its wide range of applications in various industries, including cosmetics, pharmaceuticals, and manufacturing. Paraffin wax has a melting point typically between 46 and 68°C, making it useful in processes where a controlled melting point is important.

The discovery of paraffin wax dates back to the mid-19th century when chemists were refining techniques to separate it from petroleum. The isolation of paraffin wax was an important advancement in the development of modern candle making, as it provided a cleaner-burning alternative to tallow and beeswax. Paraffin wax quickly became favored for its low cost, abundance, and ability to hold and release fragrance and color, making it an essential material in the production of candles.

In addition to candle making, paraffin wax is widely used in the cosmetics industry. It is found in skin care products like lotions and creams, where it acts as an emollient, helping to retain moisture and create a barrier on the skin. In beauty treatments, paraffin wax is used in spa therapies, particularly for hand and foot treatments, where it provides deep moisturizing benefits and improves circulation.

Paraffin wax also has significant applications in the pharmaceutical industry. It is commonly used as a coating for tablets to control the release of active ingredients and protect them from moisture. Furthermore, it is used in ointments and topical preparations as a base, helping to deliver active compounds to the skin while providing a protective layer.

In the industrial sector, paraffin wax is used as a lubricant, waterproofing agent, and in the production of polishes and coatings. Its hydrophobic properties make it ideal for impregnating paper and wood to make them water-resistant. It is also used in packaging materials, such as food wraps and coatings for cardboard, to protect against moisture.

Paraffin wax continues to be a versatile material with new applications emerging, especially in areas requiring moisture protection, controlled release, and hydrophobic properties.

References

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