https://en.wikipedia.org/wiki/Ammonium_persulfate
(NH4)2S2O8 => NH42S2O8
QT:{{” Ammonium persulfate is a standard ingredient in hair bleach. Persulfates are used as oxidants in organic chemistry;[7] for example, in the Minisci reaction and Elbs persulfate oxidation.
Safety
Airborne dust containing ammonium persulfate may be irritating to eye, nose, throat, lung and skin upon contact. Exposure to high levels of dust may cause difficulty in breathing.[8]
It has been noted that persulfate salts are a major cause of asthmatic effects.[9] Furthermore, it has been suggested that exposure to ammonium persulfate can cause asthmatic effects in hair dressers and receptionists working in the hairdressing industry. These asthmatic effects are proposed to be caused by the oxidation of cysteine residues, as well as methionine residues.[10] “}}
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