7784-44-3 Ammonium acid arsenate Ammonium arsenate [UN1546] [Poison] Arsenic acid, diammonium salt DIAMMONIUM ARSENATE Diammonium hydrogen arsenate Diammonium hydrogenarsenate Diammonium monohydrogen arsenate Dibasic ammonium arsenate EINECS 232-067-9 Secondary ammonium arsenate UN1546