Pentaborane(9)
[CAS# 19624-22-7]

Identification

• Classification: Chemical reagent >> Organic reagent >> Borane
• Name: Pentaborane(9)
• Synonyms: Nonahydropentaborane; Pentaborane; Pentaborane (B5H9)
• Molecular Formula: B₅H₉
• Molecular Weight: 55.06
• CAS Registry Number: 19624-22-7
• EC Number: 243-194-4

Properties

• Density: 0.626 g/cm³ (20 ºC)^*
• Melting point: -46.5 ºC^*
• Boiling point: 60.0-60.2 ºC (760 Torr)^*

^* Zhigach, A. F.; Zhurnal Obshchei Khimii 1957, V27, P1655-63.

Safety Data

• Hazardous Chemical?: Yes