Butane itself has a faint, sweet odor, but the smell is often masked with a strong, unpleasant odorant added for safety. While short-term exposure to butane odor may cause irritation or headaches, it is not typically harmful at low concentrations. However, high concentrations can lead to serious health risks, including respiratory issues and asphyxiation. It's important to ensure proper ventilation and avoid inhaling concentrated butane fumes.
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