PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Pentaborane 19624-22-7 1380
18.00
14.01
4.01
11.01
15.02
4.05
7.01
7.00
4.07
3.05
Formula Synonyms
B5H9 PENTABORANE, (9)-PENTABORON NONAHYDRIDE, BORANE (B5H9), BORON HYDRIDE (B5H9), NONAHYDROPENTABORANE, PENTABORANE (B5H9), PENTABORANE (DOT FRENCH), PENTABORANE(9), PENTABORANO (DOT SPANISH), PENTABORON NONAHYDRIDE
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
63.14 L -46.6 60 170 25 0.61 @ 0°C 4200
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
0.015 0.14ₐ 0.51ₐ
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
0.039 0.36 1.3
Technical Basis
No technical basis available
References
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PAC values marked with a subscript "A" correspond to 60-minute AEGL values.
PAC values marked with a subscript "E" correspond to ERPG values.
PAC values marked by * are >= 10% lower explosive limit (LEL) but < 50% LEL.
PAC values marked by ** are > 50% LEL but < 100% LEL.
PAC values marked by *** are >= LEL.