Denatured Alcohol vs. Rubbing Alcohol

Attribute	Denatured Alcohol	Rubbing Alcohol
Composition	Contains additives to make it toxic or unpalatable	Isopropyl alcohol diluted with water
Uses	Industrial purposes, cleaning, and fuel	Disinfecting wounds, cleaning surfaces
Flammability	Highly flammable	Highly flammable
Toxicity	Can be toxic if ingested	Can be toxic if ingested

Introduction

Denatured alcohol and rubbing alcohol are two common types of alcohol that are used for various purposes. While they may seem similar at first glance, there are some key differences between the two that make them suitable for different applications. In this article, we will compare the attributes of denatured alcohol and rubbing alcohol to help you understand their unique characteristics.

Composition

Denatured alcohol, also known as methylated spirits, is ethanol that has been rendered undrinkable by the addition of chemicals such as methanol or isopropanol. This makes it toxic and unfit for consumption, hence its name "denatured." On the other hand, rubbing alcohol, also known as isopropyl alcohol, is a type of alcohol that is commonly used as a disinfectant or antiseptic. It is typically composed of 70% isopropyl alcohol and 30% water, making it safe for external use on the skin.

Uses

Denatured alcohol is commonly used as a solvent in various industrial applications, such as paint thinning, cleaning, and fuel for alcohol burners. It is also used in the production of perfumes, cosmetics, and pharmaceuticals. Rubbing alcohol, on the other hand, is primarily used as a disinfectant to clean wounds, sterilize medical equipment, and sanitize surfaces. It is also used in skincare products and as a cooling agent for muscle aches and pains.

Flammability

Denatured alcohol is highly flammable due to its ethanol content, making it a dangerous fire hazard if not handled properly. It should be stored in a cool, well-ventilated area away from sources of ignition. Rubbing alcohol, on the other hand, is less flammable than denatured alcohol due to its lower alcohol content and the presence of water. However, it is still flammable and should be used with caution around open flames.

Toxicity

Denatured alcohol is toxic if ingested and can cause serious health issues, including blindness, organ damage, and even death. It should never be consumed or used on the skin. Rubbing alcohol, on the other hand, is safe for external use on the skin but can be toxic if ingested in large quantities. It should be kept out of reach of children and pets to prevent accidental ingestion.

Cost

Denatured alcohol is typically cheaper than rubbing alcohol due to its industrial uses and lower purity. It is often sold in larger quantities for use in manufacturing and cleaning applications. Rubbing alcohol, on the other hand, is more expensive due to its higher purity and suitability for medical and skincare purposes. It is commonly sold in smaller bottles for household use.

Conclusion

In conclusion, denatured alcohol and rubbing alcohol have distinct attributes that make them suitable for different applications. Denatured alcohol is toxic and flammable, making it ideal for industrial uses such as solvent extraction and fuel. Rubbing alcohol, on the other hand, is safe for external use on the skin and is commonly used as a disinfectant and antiseptic. Understanding the differences between these two types of alcohol can help you choose the right one for your specific needs.