Why is 70% alcohol solution a much better disinfectant than a 90% alcohol concentration? Wouldn’t a higher concentration mean better?

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Why is 70% alcohol solution a much better disinfectant than a 90% alcohol concentration? Wouldn’t a higher concentration mean better?

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Anonymous 0 Comments

It’s all about fire hazard vs evaporation rate vs protein disintegration.

70% is the most suitable condition. Additionally, if you use about 90% alcohol- proteins will denature real fast and make a protective outer layer which will effectively decrease the efficiency.

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