PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Selenium 7782-49-2 2658
15.01
4.01
11.01
14.02
4.08
7.01
8.00
11.00
4.02
4.09
Formula Synonyms
Se SELENIUM POWDER, C.I. 77805, ELEMENTAL SELENIUM, SELENIO, EN POLVO (DOT SPANISH), SELENIUM, SELENIUM ALLOY, SÉLÉNIUM EN POUDRE (DOT FRENCH)
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
78.96 S 220.8 685 227 4.809
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
0.6 6.6 40
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
0.19 2.0 12
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.