Very toxic. Do not inhale, it deplets the oxygen.
There is no such thing as Air Conditioning coolant.
No.
It strains any impurities from the coolant.
Your description sounds like engine coolant to me.
R134a
R134a
Originally this car had R12 refrigerant. It may have since been updated to accept R134a. The coolant/radiator system is not part of the air conditioning system. But the hot antifreeze-coolant is used for the heating system...
r-134A
You may need to charge your a/c with coolant.
coolant service agent or Air conditioning service agent
it can mess with both
R134a freon............