Sulfur trioxide

Other Names

None

Use

Sulfur trioxide is a colorless liquid with a boiling point of less than 15 degrees C (113 degrees F) and a freezing point of 18 degrees C (60 degrees F). On contact with air. it fumes vigorously and creates dense white clouds composed of minute quantities of sulfurous and sulfuric acid.

Source(s)

Old Chemical Weapons Reference Guide (1998)