ammonium bisulfide

refrigerate in tightly sealed containers. store under nitrogen

0.99500 to 0.99900 @ 25.00 °C

40.00 °C. @ 760.00 mm Hg

white to yellow crystalline solid

95.00 to 100.00 %

8.279 to 8.313

1.37800 to 1.39800 @ 20.00 °C

52.000000 mm/Hg @ 22.00 °C

6 month(s) or longer if stored properly

ammoniacal