Other Names
No. 5, CO, CM
Use
No. 5 or Collongite (CO) is a chemical mixture consisting of 75% phosgene (Collongite) and 25% stannic chloride (Opacite).
Collongite or No. 5 (CM) is a chemical mixture of phosgene (Collongite) and arsenic trichloride.
Source(s)
Old Chemical Weapons Reference Guide (1998)
