on ▁Pow der ") ▁S od ium ▁carbon ate ▁- ▁Bu ilder / se quest ering ▁agent ▁S od ium ▁linear ▁alk yl ben zen es ulf on ate ▁sur fact ant ▁- ▁C lean ing ▁agent ▁Tr ich lor o - s - tri az inet r ione ▁- ▁ ▁Ble ach ▁Tr ich lor ois oc yan ur ic ▁acid ▁( Sym clos ene ) ▁– ▁ ▁Dis in fect ant ▁ ▁The ▁P & G ▁Professional ▁Com et ▁M SD S ▁details ▁percent ages ▁of ▁the ▁major ▁component ▁chemical s : ▁▁ ▁Cal ci um ▁carbon ate : ▁ 6 0 - 1 0 0 % ▁ ▁S od ium ▁carbon ate : ▁ 7 - 1 3 % ▁ ▁Cal ci um ▁hydro x ide : ▁ 1 - 5 % ▁ ▁S od ium ▁dich lor o - s ▁tri az inet r ione ▁di h yd rate : ▁ 1 - 5 % ▁ ▁( Note : ▁Not ▁all ▁ing red ients ▁are ▁listed ▁on ▁an ▁M SD S .) ▁ ▁W arn ings ▁▁▁ ▁Mix ing ▁clean ing ▁products ▁containing ▁ble ach ▁or ▁other ▁o xygen ates ▁( such ▁as ▁Com et ) ▁with ▁products ▁that ▁contain ▁am mon ia ▁or ▁acid ▁is ▁dangerous . ▁The ▁P & G ▁Com et ▁M SD S ▁specifically ▁war ns ▁to : ▁" A void ▁contact ▁with ▁ac ids ▁and ▁am mon ia ." ▁ ▁Despite ▁being ▁l abeled ▁as ▁" scr atch ▁free ", ▁the ▁label ▁for ▁Com