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Physical & Chemical properties

Auto flammability

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Flammability on contact with water: Enzymes are easily soluble in water and from experience of handling enzymes together with consideration of the structure of enzymes it can be concluded that enzymes are not flammable on contact with water. 
Pyrophoricity: As they are proteins produced by fermentations, i.e. usually in solution, enzymes are not pyrophoric. In the pure, lyophilized form, they might be pyrophoric, but will in such case only exist in very small quantities for research purpose.

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