Pentaborane (B5H9) is a colorless liquid and has the odor of sour milk. This chemical is pyrophoric, a strong reducing agent and is highly flammable; ignites spontaneously in air. Because it is flammable, we recommend a safe chemical storage building that meets specific regulations for storing Pentaborane. Please review our fire rated products: SUPERLoc, FIRELoc, Flammable storage, DRUMLoc

Pentaborane Storing Details

  • Flammable Details: Flash point 30°C.
  • Storage Details: Keep separated from incompatible substances, such as oxidizers. Store and handle in accordance with all current regulations and standards. Store in compliant, approved flammables storage buildings, separated from oxidizers and sources of ignition.
  • Compatible Details: xidizers, halogens, water, halogenated hydrocarbons
  • Description: Pentaborane, also called pentaborane to distinguish it from B5H11, is an inorganic compound with the formula B5H9. It is one of the most common boron hydride clusters, although it is a highly reactive compound.
  • Classification: CLASS 4.2
  • Brand Name: n/a

Pentaborane Properties

Formula Density Boiling Point; IUPAC ID Molar Mass Soluble In Melting Point
B5H9 618.00 kg/m³ 140°F (60°C) Pentaborane(9) 63.12 g/mol Water at 30°C -52.2°F (-46.°C)

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