The chief byproduct of combustion is silicon dioxide (sand). Large fires may produce heavy clouds of silicon dioxide. These clouds can be knocked down with a water fog but care must be taken not to extinguish any silane fires.

• 燃烧的主要副产品是二氧化硅（沙）。大火会产生二氧化硅的浓烟。用水雾可以消灭浓烟，但一定要注意不要熄灭任何的硅烷起火。