What is the best liquid to clean electronics with?

Author: Trudie Boyle  |  Last update: Monday, March 23, 2026

Isopropyl alcohol evaporates quickly and it's relatively non-toxic. Isopropyl alcohol removes oils, adhesives, fingerprints, soldering flux and other contaminants, making it ideal for cleaning electronics.

What liquid is safe to clean electronics?

A variety of chemicals can be found throughout the electronic assembly and repair process, but no solvent appears more commonly than isopropyl alcohol. It is universally used for cleaning and as a main constituent of fluxes, but how much do you really know about isopropyl alcohol?

What is the best solution to clean electronics?

Spray the surface, inside the ports and between any vents, with compressed air. Get an electronics' cleaner or make your own with a 50/50 solution of isopropyl alcohol and distilled water and put in a spray bottle. While you want to keep liquid away from devices, alcohol has an advantage of evaporating quickly.

Can you use 70% isopropyl alcohol to clean a computer?

Yes, 70% isopropyl alcohol(IPA ) is safe for electronics. Rubbing alcohol (IPA) is used as a disinfectant on electronics products.

Is 90% isopropyl alcohol safe for electronics?

For electronics, it must be over 99%. Preferably 99.8%+. Whatever is left once the isopropyl alcohol evaporates can corrode your components.

How to clean Soldering Tip

What kind of isopropyl alcohol should I buy for electronics?

Internal electronics, especially printed circuit boards (PCBs) require extra caution and the use of alcohol with a grade of 90% or more. This kind of isopropyl alcohol will evaporate quickly and get rid of dirt, dust, and other contaminants without damaging your devices.

Is 70 isopropyl alcohol the same as rubbing alcohol?

Isopropyl alcohol is pure alcohol and is a colorless liquid with a musty, sharp odor. There are no other ingredients in a bottle of isopropyl alcohol. By contrast, rubbing alcohol contains isopropyl alcohol among other ingredients, such as water. Most rubbing alcohol brands contain 70% isopropyl alcohol.

Is 70 or 91 rubbing alcohol for cleaning electronics?

You can use 70%, 91%, or 99% isopropyl alcohol to clean various types of electronics – what you choose will depend on what you're cleaning. For externals – such as disinfecting your smartphone or TV remote – 60-70 percent will do a better job.

Does isopropyl alcohol leave a residue when it dries?

It is safe on most painted surfaces, plastics, and elastomers. It leaves no residue, evaporates quickly relative to water, and does not cause corrosion.

Is it safe to spray isopropyl alcohol on a keyboard?

Yes, isopropyl alcohol (70% or higher) is safe for cleaning most keyboard surfaces.

What is the best cleaner for electronic screens?

Our top picks:
  • Best Overall Screen Cleaner. Weiman Anti-Static Electronic Cleaning Wipes. Read more.
  • Best Value Screen Cleaner. E-Cloth Personal Electronics Microfiber Cleaning Cloth. Read more.
  • Best Spray Screen Cleaning Kit. Calyptus Screen Cleaner Spray Kit. Read more.

Can I use vinegar to clean electronics?

You should never use straight vinegar on an electronic screen like that on your computer, smartphone, tablet, or TV. “Vinegar can damage a screen's anti-glare properties and even make a touchscreen less responsive,” says Antonette Asedillo, who leads computer testing at CR.

What should you use instead of water when cleaning your electronics?

Some safe options include: Isopropyl alcohol (preferably 70% or higher) Electronic-safe cleaning wipes or sprays.

What liquids ruin electronics?

Clean water, like rainwater or water out of a tap, can damage internal circuitry if it gets inside electronics because it contains impurities.

Can I use hydrogen peroxide to clean electronics?

Another safe and effective disinfectant for electronics is hydrogen peroxide. This disinfectant is often used in hospitals and other medical settings because it's very effective at killing germs and bacteria. Look for a hydrogen peroxide disinfectant that is at least 3% to get the best results.

Is isopropyl alcohol flammable after it dries?

Isopropyl Alcohol may form an ignitable vapor/air mixture in closed tanks or containers. Isopropyl Alcohol can react with AIR and OXYGEN over time to form unstable peroxides that can explode.

What can I use instead of rubbing alcohol for cleaning electronics?

Solvents such as; acetone, paint thinner, benzene, methylene chloride or toluene. Ammonia (i.e. Windex) Ethyl alcohol.

Can isopropyl alcohol damage electronics?

For most laboratories, isopropyl alcohol (IPA) is the preferable choice for cleaning electronics because of its rapid rate of evaporation and its ubiquity in the laboratory environment at the purity required to clean electronics without damaging them.

Does isopropyl alcohol break down plastic?

It can also begin to break down the plastic and, over time, cause it to crack.

Is it safe to use isopropyl alcohol on a laptop screen?

It's not recommended to apply isopropyl alcohol directly on the screen. Instead, dampen a microfiber cloth with a small amount of isopropyl alcohol and water mixture. Excessive alcohol can harm the screen coatings, so use it sparingly.

Is 99% isopropyl alcohol good for cleaning electronics?

Water is a necessary component in most cleaning products, but some electronics and other components cannot come into contact with water. 99% isopropyl alcohol not only cleans these surfaces but evaporates incredibly quickly, leaving the component residue-free.

Should I buy 70% or 91% isopropyl alcohol?

Even though you may think the higher concentration is more effective, experts say 70% is actually better for disinfecting. It has more water, which helps it to dissolve more slowly, penetrate cells, and kill bacteria. The disinfecting power of rubbing alcohol drops at concentrations higher than 80%-85%.

Can I use hand sanitizer instead of rubbing alcohol for cleaning electronics?

Do not use rubbing alcohol, paper towels, compressed air, dish soap or vinegar. All of these can damage your phone: Paper towels can scratch your screen, and vinegar could damage its coating. Do not use hand sanitizer on your phone screen, but do sanitize your hands before touching your phone.

Can I use isopropyl alcohol to clean my phone?

Or, spray a soft cloth with an alcohol-based disinfectant cleaner containing 70% isopropyl and use that to clean your phone. (The ratio of 70% alcohol is important: it's enough of a concentration to kill any germs on the phone's surface.)

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