Fire hazard category
Thread Content
Who knows the fire hazard classification of sulfur trioxide? The building code only gives sulfuric acid fumes as an example
This post was last edited by altpage on 2020-10-12 at 16:28. Sulfur trioxide is a strong oxidizing agent; does it fall under Category A, Item 5, or Category B, Item 5? Category A, Item 5: Strong oxidizers that are highly prone to catching fire or exploding when exposed to acids, heat, impact, friction, or flammable inorganic substances such as organic materials or sulfur. For example, strong oxidizers such as potassium chlorate, sodium chlorate, potassium peroxide, sodium peroxide, and *ao acid an all fall into this category. Category B, Item 5: Oxidizing gases such as oxygen, chlorine, fluorine, compressed air, nitrous oxide, and other oxidizing gases fall into this category.
They belong to category A4; both sodium and zinc powder are in category A4