-
Sylffad
Enw Cemegol: Sylffad
Fformiwla Foleciwlaidd: (NH4)2Felly4
Pwysau Moleciwlaidd: 132.14
Nghas：7783-20-2
Cymeriad: Mae'n grisial orthorhombig tryloyw di -liw, yn deliquescent. Y dwysedd cymharol yw 1.769 (50 ℃). Mae'n hawdd ei hydoddi mewn dŵr (ar 0 ℃, hydoddedd yw dŵr 70.6g/100ml; 100 ℃, 103.8g/100ml dŵr). Mae hydoddiant dyfrllyd yn asidig. Mae'n anhydawdd mewn ethanol, aseton neu amonia. Mae'n ymateb gyda'r alcalïau i ffurfio amonia.
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