Each milliliter of albuterol sulfate inhalation solution 0.083% contains 0.83 mg of albuterol (as 1 mg of albuterol sulfate) in an isotonic, sterile, aqueous solution containing sodium chloride; sulfuric acid is used to adjust the pH to between 3 and 5. Albuterol sulfate inhalation solution 0.083% contains no sulfiting agents or preservatives.
Seems like they just use pH-adjusted salt water for it? Been looking for more data but I'm having trouble finding anything that isn't behind stupid paywalls.
the dose makes the poison as they say.