(9)-Pentaboron nonahydride 1303-97-5 19624-22-7 24378-36-7 24378-37-8 24378-38-9 52712-65-9 64442-81-5 71129-91-4 EINECS 243-194-4 HSDB 774 Nonahydropentaborane PENTABORANE(9) Pentaborane Pentaborane (B5H9) Pentaborane [UN1380] [Spontaneously combustible] Pentaboron nonahydride UN1380