Conversation so far:
what is the chemical in abc fire extinguishers
Monoammonium phosphate, ABC Dry Chemical, ABE Powder, tri-class, or multi-purpose dry chemical is a dry chemical extinguishing agent used on class A, class B, and class C fires.

Question: can you tell me more about the agent
Self-contained rewrite: can you tell me more about the dry chemical ABC extinguishing agent