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E943aGlazing agentLow concern
Butane
In plain words
The short version
A hydrocarbon propellant that pushes food out of aerosol cans such as cooking-oil sprays.
Why it's green
It's widely considered safe at the amounts used in food, so we mark it green. The Safety section below has the details.
Safety profile
No ADI specified; a propellant that largely escapes rather than being eaten. Food grade is purified to remove impurities.
The detail
Educational information only. Not medical or dietary advice.