Is Acetone Flammable?

Acetone is a widely used chemical in many industries, and its safety is of utmost importance. But one of the most basic safety questions that come to mind is: Is acetone flammable?

With its wide range of uses, it’s essential to understand the potential risks associated with the chemical and whether it poses a fire hazard.

In this blog, we’ll explore the answer to this question and provide you with the important safety information you need to know.

What Is Acetone?

Acetone is a colorless, flammable liquid with a distinct smell. It is a type of organic compound known as a ketone, with the chemical formula C3H6O.

Acetone is commonly used as a solvent, meaning it is able to dissolve other substances, particularly those that are not soluble in water.

It is also used as a raw material in the production of many different chemicals, such as plastics, fibers, and drugs.

Acetone is naturally produced in the human body, as a byproduct of the breakdown of fat. It is also found in small amounts in some foods, such as apples, cheese, and certain types of fish.

In industry, acetone is produced by several methods, including the distillation of wood, the oxidation of isopropyl alcohol, and the dehydrogenation of isopropyl alcohol over a copper catalyst.

Due to its ability to dissolve a wide range of substances, acetone is used in a variety of applications. It is commonly used as a solvent for paints, varnishes, and adhesives, as well as for cleaning and degreasing metal parts.

It is also used in the production of nail polish remover and as a component of some cosmetic products. Additionally, acetone is used in the production of plastics, such as polycarbonate and polyester.

Is Acetone Flammable?

The answer is yes, acetone is flammable. It’s a volatile organic compound (VOC) that’s highly flammable and can easily ignite.

Acetone has a low flashpoint of -20°F and a low auto-ignition temperature of 660°F, meaning it can easily ignite when exposed to high temperatures. It is also classified as “extremely flammable” under the European Union explosion risk classification system.

Acetone is most commonly used as a solvent in applications such as paint thinning, nail polish remover, and adhesives. It’s also used in aerosols, paints, and varnishes.

All of these products have the potential to ignite and cause a fire if not handled properly.

When using acetone, it’s important to take the necessary safety precautions to avoid an accident or fire. This includes keeping the product away from open flames, spark sources, and other ignition sources.

Additionally, reading the product warning label thoroughly before using acetone products is important.

When storing acetone, it’s important to keep it in an area that is cool, dry, and away from open flames. It’s also important to keep it in a sealed container that children or pets can’t easily access.

Additionally, it would be best to never pour acetone down the drain or into the environment.

Is Acetone Flammable


It’s also important to note that acetone is highly volatile and can easily become airborne. If you’re using acetone, you should always work in a well-ventilated area.

Is Acetone Toxic?

Acetone is generally considered safe in small amounts but can be toxic if ingested or inhaled in large quantities.

Acetone is metabolized by the liver and excreted from the body through the urine, so small amounts of acetone are naturally present in the body.

However, exposure to high levels of acetone can cause health problems.

Inhalation of acetone vapors can irritate the eyes, nose, throat, and lungs, leading to headaches, dizziness, and nausea. Prolonged or repeated exposure to acetone can cause dry, cracked skin, and may increase the risk of developing asthma.

Acetone is also flammable, so it should be handled with care and stored away from sources of heat or flames.

Acetone can be toxic if ingested in large amounts. Symptoms of acetone poisoning can include abdominal pain, vomiting, and difficulty breathing. In severe cases, acetone poisoning can cause coma or death.

Is Acetone Corrosive

When it comes to the question of whether acetone is corrosive, the answer is not as straightforward as it may seem.

On the one hand, it is a relatively weak acid and is not considered particularly corrosive. On the other hand, it can react with certain metals and cause corrosion.

When it comes to metal, acetone can be corrosive in some cases. For example, if acetone is left on steel for an extended period of time, it can cause rusting and pitting.

This is especially true for steel that has been exposed to water or other liquids. Additionally, acetone is highly reactive with aluminum and can cause pitting or fretting if it is left to sit on the metal for too long.

Acetone is also known to be corrosive when it comes to certain plastics. It can cause stress cracking and discoloration in some types of plastics.

If a plastic product is to be exposed to acetone, it is important to ensure that it is constructed of a material that is resistant to the chemical.

Is Acetone Flammable When Dry

Acetone is highly flammable and can ignite easily, even when it is dry. Acetone has a low flash point, the temperature at which it can produce enough vapor to ignite in the air.

The flash point of acetone is -20°C (-4°F), which means that even at room temperature, acetone can evaporate quickly and form a flammable mixture with air.

When acetone is used as a solvent, it is important to be careful with the disposal of rags or other materials that may be soaked with acetone, as they can easily ignite if left in a pile or in contact with a heat source.

Acetone should be stored in a cool, well-ventilated area, away from sources of ignition such as flames, sparks, or electrical equipment.

Acetone Hazards

Acetone can pose several hazards to human health and safety, particularly when it is used or handled improperly. Some of the hazards associated with acetone include:

Flammability: Acetone is highly flammable and can ignite easily, even in small quantities. It should be stored away from sources of ignition and handled with caution.

Inhalation: Acetone can cause irritation of the eyes, nose, throat, and lungs when it is inhaled. Prolonged or repeated exposure to acetone vapors can lead to headaches, dizziness, and nausea, and may increase the risk of developing asthma.

Toxicity: Acetone can be toxic if ingested or inhaled in large quantities. It can cause irritation of the eyes, nose, throat, and lungs, and can also lead to headaches, dizziness, and nausea.

Prolonged or repeated exposure to acetone can cause dry, cracked skin, and may increase the risk of developing asthma.

Environmental hazards: Acetone is a volatile organic compound (VOC) that can contribute to air pollution and negatively impact the environment.

Chemical reactions: Acetone can react with other chemicals and create potentially hazardous byproducts, particularly when it comes in contact with strong oxidizing agents, such as bleach.

Skin and eye irritation: Acetone can cause irritation and redness when it comes in contact with skin or eyes.

To minimize the hazards associated with acetone, handling it properly and following safety guidelines when using it is important.

This includes storing it in a cool, well-ventilated area, wearing protective clothing and equipment, and avoiding contact with other chemicals that may react with it.

Disposing of acetone properly is also important and avoiding using it near flames or other ignition sources.

Property Description
Chemical formula C3H6O
Common names Acetone, propanone, dimethyl ketone
Appearance Clear, colorless liquid
Odor Characteristic sweet and fruity smell
Flammability Highly flammable
Flash point −20 °C (−4 °F)
Boiling point  56 °C (133 °F)
Solubility in water  Completely miscible
Health hazards Skin and eye irritants, and inhalation can cause dizziness, headaches, nausea, and respiratory problems.
Uses Solvent for paints, varnishes, and lacquers; cleaning agent for laboratory equipment and electronic devices; nail polish remover; and medical disinfectant

Acetone Flash Point

Acetone is a highly flammable liquid with a flash point of -20°F (-29°C). It is used in many industries, such as the automotive, chemical, and printing.

It is also used in many consumer products such as nail polish remover, paint stripper, and spot remover.

The flash point of acetone is an important factor to consider when deciding the safety of a product. If the flash point is too low, it means that the product could ignite even at low temperatures.

On the other hand, if the flash point is too high, it could be difficult to ignite and may pose a safety hazard.

It is important to note that the flash point of acetone does not necessarily indicate how flammable the substance is.

This is because the temperature at which the vaporized form of acetone ignites depends on the amount of oxygen in the air.

When the air is rich in oxygen, the flash point of acetone is lower than when there is less oxygen in the air.

It is also important to note that the flash point of acetone is also dependent on the amount of other flammable materials present in the atmosphere.

This is because the vaporized form of acetone may come into contact with other flammable substances and this can cause an increase in the flash point.

Uses Of Acetone

Acetone is a versatile organic solvent that has a wide range of applications in various industries. Some of the common uses of acetone include:

Solvent: Acetone is an excellent solvent for many organic compounds, such as resins, oils, and waxes.

It is commonly used as a cleaning agent for laboratory surfaces and equipment and for removing adhesives, grease, and other contaminants.

Production of chemicals: Acetone is used as a raw material in the production of many chemicals, including plastics, fibers, drugs, and other organic compounds.

Nail polish remover: Acetone is the main ingredient in many nail polish removers, as it can effectively dissolve and remove nail polish from fingernails and toenails.

Paint thinner: Acetone is used as a thinner for many types of paints and coatings, as it can dissolve and reduce the viscosity of these materials.

Medical applications: Acetone is used in medical laboratories as a solvent for certain chemicals and as a component in some medical equipment cleaning solutions.

Industrial cleaning: Acetone is used as a cleaning agent for industrial equipment, machinery, and tools, as it can effectively remove oil, grease, and other contaminants.

Adhesives: Acetone is commonly used as a solvent for adhesives, and can be used to clean up excess adhesive or to remove adhesive residue from surfaces.

Overall, acetone is a versatile solvent that is used in many different applications across various industries.

Its ability to dissolve many different organic compounds makes it a useful tool for cleaning, production, and other processes.


Is Acetone Carcinogenic

This question has been debated for years, and the answer is complicated. Acetone itself is not considered carcinogenic, according to the International Agency for Research on Cancer (IARC).

However, there is some evidence that higher levels of acetone exposure can be linked to certain types of cancer.

Long-term exposure to acetone has been linked to increased lung, bladder, and kidney cancer risks. In some studies, it has also been associated with an increased risk of developing leukemia.

Acetone has also been linked to an increased risk of bladder cancer in people who work in laboratories that use large amounts of acetone.

Most studies about the potential cancer-causing effects of acetone have been done in animals, so it is unclear if the results can be applied to humans.

Still, it is important to be aware of the potential risks of long-term exposure to acetone. Limiting your exposure to acetone as much as possible is important, especially if you work in a laboratory or industrial environment.

What To Do If You Inhale Acetone

If you’ve inhaled acetone, the first step is to move to a well-ventilated area, as acetone has a powerful smell that can become overwhelming in a confined space. If available, use a fan to provide additional air circulation.

The Centers for Disease Control and Prevention recommend that you rinse your mouth with water, drink some water, and stay hydrated to help reduce irritation in your throat and lungs. It may also help to gargle with a solution of warm salt water.

If your symptoms persist, you should seek medical attention. Symptoms of inhalation of acetone include coughing, chest pain, labored breathing, dizziness, nausea, and headache.

More serious symptoms can include reduced blood oxygen levels, leading to confusion and difficulty breathing.

It’s important to note that some people are more sensitive to acetone fumes than others and may experience more severe symptoms. Those with asthma or other respiratory problems should avoid contact with acetone fumes.

When using acetone, it’s important always to wear protective clothing and safety equipment, such as safety goggles and gloves, and always to use the product in a well-ventilated area.

Additionally, it’s important to keep the product and any containers that have been used with acetone out of the reach of children and pets.

Can You Use Acetone To Clean A Wound?

In short, yes, you can. Acetone is often used in wound care to debride necrotic tissue, reduce bacteria, and aid healing.

How Does Acetone Work When Cleaning a Wound?

Acetone can break down proteins, which makes it an effective agent for removing necrotic tissue from wounds. It also has antiseptic properties, meaning it can reduce the number of bacteria in the wound and reduce the risk of infection.

Additionally, acetone can help accelerate the healing process by creating an environment conducive to wound healing. It does this by removing the dead cells that can slow down the healing process and provide a drying effect on the wound.

What Should You Consider Before Using Acetone to Clean a Wound?

While acetone can be an effective treatment for wounds, it can also cause skin irritation, especially if it is used too often.

Additionally, it should not be used around the eyes, mouth, nose, or other sensitive body areas.

It is important to consult a doctor before using acetone to treat a wound. Your doctor can advise you on the best course of action, as well as any potential side effects or risks associated with using acetone.

Safety Precautions For Acetone

To ensure the safe handling and use of acetone, it is important to follow the appropriate safety precautions, including:

Storage: Store acetone in a cool, dry, and well-ventilated area, away from heat sources, sparks, or flames.

Personal protective equipment (PPE): Wear appropriate PPE, such as gloves, goggles, and respiratory protection, when handling acetone.

Handling: Use proper handling techniques when working with acetone. This includes using appropriate tools and containers to avoid spillage and avoiding contact with the skin and eyes.

Use in a well-ventilated area: Use acetone in a well-ventilated area to prevent inhalation of vapors. If ventilation is inadequate, use a respirator.

Fire prevention: Keep acetone away from sources of heat, sparks, or flames, and avoid smoking near acetone.

Disposal: Dispose of acetone properly according to local regulations. Do not pour acetone down the drain or into the environment.

Emergency procedures: Have an emergency response plan in place in case of accidental spills or fires.

Do not use acetone near electrical equipment: and avoid using it around open flames or hot surfaces.

Avoid eating or drinking near acetone: and wash your hands thoroughly after handling it.

In case of accidental spills or fires, have an emergency response plan in place, and keep appropriate fire extinguishers and spill containment materials on hand.

Always follow the manufacturer’s instructions and safety data sheet when handling or using acetone, and seek medical attention if you experience any symptoms of exposure or if you have any concerns about your health.

By following these safety precautions, the risk of harmful exposure to acetone can be minimized, and safe handling and use can be ensured.


It’s important to remember that acetone is highly flammable and should always be handled carefully. Acetone can be a safe and effective product when stored and used properly.

However, it can be dangerous and lead to a fire when not handled properly. Therefore, it’s important to take all necessary safety precautions, read labels, and store acetone in a safe place.