PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Arsenic acid; (o-Arsenic acid) Also CASRN 1327-52-2 7778-39-4 1554
15.01
11.01
15.02
4.07
1.00
5.10
Formula Synonyms
AsH3O4 ARSENIC ACID, SOLID, ACIDE ARSÉNIQUE, SOLIDE (DOT FRENCH), ACIDO ARSÉNICO, SÓLIDO (DOT SPANISH), ARSENIC ACID, ORTHOARSENIC ACID
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
141.94 L or S 35 160 ~2.2
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
2.9 32 190
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
0.50 5.5 33
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.