PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Butanethiol; (n-Butyl mercaptan) 109-79-5 2347
15.01
11.01
15.02
7.01
8.00
7.00
11.00
4.09
4.10
4.07
Formula Synonyms
C4H10S BUTYL MERCAPTAN, 1-BUTANETHIOL, 1-BUTYL MERCAPTAN, 1-MERCAPTOBUTANE, BUTANETHIOL, BUTIL MERCAPTANO (DOT SPANISH), BUTYLTHIOL, MERCAPTAN BUTYLIQUE (DOT FRENCH), N-BUTANETHIOL, N-BUTYL MERCAPTAN, N-BUTYL THIOALCOHOL, N-BUTYLTHIOL, THIOBUTYL ALCOHOL
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
90.19 L -115.7 98.5 75 35.4 0.8416 @ 20°C
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
4.5 50 2500
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
17 180 9200
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.