Buckster,
I don't have any data to back this up but "everyone" says not to use products with ammonia in them for cleaning brass. It is supposed to leach the zinc out of the brass making it brittle.
Ingredients from MSDS/Label
Chemical CAS No / Unique ID Percent
Ammonium chloride 012125-02-9 <10
Smectite 012199-37-0 <5
Poly(oxy-1,2-ethanediyl), alpha-(1,3-dimethyl-1-(2-methylpropyl)hexyl)-omega-hydroxy- 061702-78-1 <5
Kaolin clay (calcined) 066402-68-4 30-40
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