pentaborane (B5H9)
pentaborane (B5H9)
Pentaborane is a colorless to pale yellow liquid with a pungent, unpleasant odor.
Pentaborane is used as a reagent in organic chemistry for the synthesis of boron compounds. It has also been used as rocket fuel in the past.
Common synonyms: Pentaboron nonahydride, Stable pentaborane, Pentaborane(9)
Properties of pentaborane (B5H9):
- Reactivity: Pentaborane is very reactive and highly flammable. It reacts violently with air, water and many other chemical compounds.
- Melting point: -92°C
- Solubility: It is soluble in organic solvents such as ether, benzene and chloroform.
- Health risks: Pentaborane is extremely toxic and corrosive to the skin, eyes and respiratory tract. It can cause severe chemical burns and irreversible damage to internal organs if inhaled or ingested.
- Protection and prevention: Pentaborane must be handled in a well-ventilated environment equipped with an appropriate filtration system. Personal protective equipment should be worn, including safety goggles, nitrile gloves and a suitable respirator. In the event of contact with skin or eyes, or in the event of inhalation, rinse with plenty of water and seek medical advice immediately.
| Formula | B5H9 |
| International name | pentaborane |
| French name | Pentaborane |
| CAS | 19624-22-7 |
| EINECS | 202-675-9 |
| Filter | ARI |
| IP (eV) | 9,9 |
| Vapour density (air = 1) | 2,18 |
| Conversion (1 ppm =) | 2.58 mg/m3 |
| LIE | 0.42 % |
| LSE | 98 % |
| VLEP CT (15mn) | |
| VLEP (8h) | 0.005 ppm |
| STEL (15 min.) | 0.015 ppm |
| TWA (8h) | 0.005 ppm |
Gas detectors for pentaborane (B5H9)
Only a pentaborane (B5H9) gas detector can accurately measure the concentrations of this explosive gas, so we'll be moving towards pentaborane (B5H9) detection in explosivity with measurement as a percentage of LEL (explosimeter).
Ventis MX4 Portable 4-gas detector, 4 year warranty
X-am 2500 Portable 4-gas detector
BM25 Gas detection monitor
Radius BZ1 Area monitor
SensePoint Fixed gas detector
OLCT100 Fixed Gas Detector
SensePoint XCD ATEX gas detector with display
Digital gas transmitter ATEX KwikSense
Self-contained breathing apparatus for pentaborane (B5H9)
pentaborane (B5H9) is a toxic, asphyxiating gas with a high risk of suffocation, so we recommend an open-circuit breathing apparatus (ARICO), an air-supply system for long-duration operations and a self-rescue mask for emergency evacuations.
R-PAS complete SCBA kit
PSS 3000 Self Contained Breathing Apparatus (SCBA)
PSS Airboss firefighter self-contained breathing apparatus
X-plore 9300 supplied air system
M20.2 self-rescue mask
Self-rescuers OXY SR30 & OXY SR60
SK 1203 Escape breathing device
Saver CF emergency SCBA
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