PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Methyl-1-propanethiol, 1-; (sec-Butyl mercaptan; 2-Butanethiol) 513-53-1
20.00
4.07
4.08
7.01
7.00
6.00
11.01
15.01
15.02
Formula Synonyms
C4.H10.S
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
90.19 L -165 80.71 25 0.8299 @ 17°C
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
4.2 46 280
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
15 170 1000
Technical Basis
No technical basis available
References
Search Again
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.