Decaborane
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Decaborane, also called decaborane(14), is the borane with the chemical formula B10H14. This white crystalline compound is one of the principal boron hydride clusters, both as a reference structure and as a precursor to other boron hydrides. It is toxic and volatile, giving off a foul odor, like that of burnt rubber or chocolate.
Quick Facts Names, Identifiers ...
Names | |
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Other names
decaborane decaboron tetradecahydride | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.037.904 |
EC Number |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
B10H14 | |
Molar mass | 122.22 g/mol |
Appearance | White crystals |
Odor | bitter, chocolate-like or burnt rubber[1] |
Density | 0.94 g/cm3[1] |
Melting point | 97–98 °C (207–208 °F; 370–371 K) |
Boiling point | 213 °C (415 °F; 486 K) |
Solubility in other solvents | Slightly, in cold water. |
Vapor pressure | 0.2 mmHg[1] |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
may ignite spontaneously on exposure to air[1] |
GHS labelling: | |
Danger | |
H228, H301, H310, H316, H320, H330, H335, H336, H370, H372 | |
P210, P240, P241, P260, P261, P262, P264, P270, P271, P280, P284, P301+P310, P302+P350, P304+P340, P305+P351+P338, P307+P311, P310, P312, P314, P320, P321, P322, P330, P332+P313, P337+P313, P361, P363, P370+P378, P403+P233, P405, P501 | |
NFPA 704 (fire diamond) | |
Flash point | 80 °C; 176 °F; 353 K |
149 °C (300 °F; 422 K) | |
Lethal dose or concentration (LD, LC): | |
LC50 (median concentration) |
276 mg/m3 (rat, 4 hr) 72 mg/m3 (mouse, 4 hr) 144 mg/m3 (mouse, 4 hr)[2] |
NIOSH (US health exposure limits): | |
PEL (Permissible) |
TWA 0.3 mg/m3 (0.05 ppm) [skin][1] |
REL (Recommended) |
TWA 0.3 mg/m3 (0.05 ppm) ST 0.9 mg/m3 (0.15 ppm) [skin][1] |
IDLH (Immediate danger) |
15 mg/m3[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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