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Is Isopropyl Alcohol IPA Chemical CAS 67-63-0 Flammable?

May 18, 2026 Leave a message

Sarah Chen
Sarah Chen
Sarah is a quality assurance expert ensuring compliance with international standards. Her expertise helps Tianjin Gnee Biotech maintain high-quality products, enhancing customer trust and market reputation.

Isopropyl alcohol (IPA, CAS No. 67-63-0) is a highly flammable liquid chemical. It is classified as a flammable liquid (typically falling under "Flammable Liquids Category 2" according to the GHS classification system), meaning that it can be easily ignited at relatively low temperatures, and its vapors can form explosive mixtures when mixed with air. Therefore, safe handling and storage are essential.

What is Isopropyl alcohol IPA CAS 67-63-0?

CAS 67-63-0 Isopropanol, also known as isopropyl alcohol, 2-propanol, or rubbing alcohol, is a colorless, flammable liquid with a characteristic alcohol-like odor widely used as a solvent, disinfectant, cleaning agent, and antiseptic. Isopropanol poses significant fire hazards, with a low flash point of approximately 12°C (53°F), and forms explosive vapor-air mixtures at concentrations between 2-12.7%. While moderately toxic if ingested and capable of causing central nervous system depression, skin and eye irritation, and respiratory tract irritation, isopropanol is generally safe when handled with proper precautions, including adequate ventilation, ignition source elimination, and appropriate personal protective equipment.

 

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Why Is IPA liquid Flammable?

It possesses key characteristics that render it flammable:

  • A low flash point (approximately 12°C / 53.6°F)
  • High vapor pressure
  • It is a volatile liquid (evaporates rapidly)
  • It forms flammable vapor-air mixtures with extreme ease

Even at room temperature, upon contact with a spark or open flame, isopropyl alcohol can generate sufficient vapor to ignite.

 

Isopropyl Alcohol: Guide to Physical and Chemical Properties

 

Safe Handling Guidelines

When working with IPA (CAS 67-63-0), please stick to the following practical safety rules for proper operation:

1. Stay clear of all fire hazards

Do not smoke in working areas. Keep all open flames away from the liquid. Also stay away from hot machinery and any sources that may produce sparks.

 

2. Operate in spaces with good air circulation

Make sure solvent fumes do not gather indoors. It is best to turn on ventilation exhaust devices during use.

 

3. Follow standard storage rules

Seal all IPA containers tightly after use. Place them inside dedicated flammable substance storage cabinets, and keep the storage spot cool and dry.

 

4. Wear necessary protective gear

Put on protective gloves and safety goggles before handling. For industrial operations, prepare and use anti-static working tools.

 

How To Store CAS 67-63-0 Isopropyl Alcohol IPA Chemical Safely?

  1. Temperature: Store indoors in a well-ventilated area at temperatures between 0°C and 25°C. Avoid storing near water heaters, furnaces, or open flames.
  2. Ventilation: Prevent the accumulation of flammable vapors.
  3. Storage Cabinets: If storing large quantities, use an OSHA-certified safety cabinet for flammable liquids.
  4. Container Sealing: Keep containers tightly closed and stored upright to prevent leaks and evaporation. Always use properly labeled containers for storage; never reuse old containers to hold other substances.

 

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conclusion

CAS 67-63-0 Isopropyl alcohol chemical liquid is a highly flammable liquid that is extremely susceptible to ignition by heat, sparks, or open flames. Although it is widely used in cleaning, electronics manufacturing, and various industrial applications, strict adherence to safety protocols regarding its handling and storage is essential.

 

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As a leading manufacturer and exporter of chemical solvent, TIANJIN GNEE BIOTECH CO., LTD. provides high-quality industrial chemicals. We supply to customers across the chemical, pharmaceutical, and materials industries, ensuring consistent quality, reliable logistics, and professional technical support.

Our chemical products hold international certifications (REACH, ISO, FMQS, HALAL) for global quality recognitio. We have warehouses in coreports such as Qingdao, Tianiin, and Shanghai, with a 15-day express delivery service.

 

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