Intermediate-level disinfection kills most bacteria, fungi, viruses, and mycobacteria (tuberculodial).
When to Use
- Use on semi-critical items.
- Use on items that come into contact with non-intact skin or mucous membranes, but do not penetrate them.
70-90% Isopropyl or Ethyl Alcohol
Active ingredient for this intermediate-level of disinfection
- 70-90% isopropyl or ethyl alcohol
- 99% alcohol is not recommended
Immersion contact times (approximate)
Advantages
- Fast Acting
- Leaves no residue
Disadvantages
- Deteriorates glue
- Not to be used for foot baths
- Can damage rubber and plastics
- Flammable
1:50 Chlorine Bleach Solution
Remember the following:
- the solution must be made fresh daily to preserve strength
- the bottle must be labelled
- clean before applying the disinfectant
- follow the contact time
- household bleach is 5.25% sodium hypochlorite solution (50,000ppm available chlorine)
Active ingredient for this intermediate-level of disinfection
- 1:50 bleach solution
- 1 part bleach:49 parts water
- 1,000 ppm (parts per million)
Immersion contact times (approximate)
Advantages
Disadvantages
- Corrodes metal
- May destroy adhesives with prolonged soaking
- Solution is to be made daily
- Inactivated by organic material
More information
Print versions available upon request in the following languages
For a copy of this document in the following languages, please email us at BodySafe@toronto.ca
- 中文 / Chinese
- 한국어 / Korean
- Tiếng Việt / Vietnamese
