PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Naphthol-6-sulfonic acid, 6-; (Schaeffer's acid) 93-01-6
4.01
11.01
14.02
7.01
11.00
4.07
Formula Synonyms
C10H8O4S
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
224.24 S 125
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
0.54 6 36
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
0.059 0.65 3.9
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.