PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Silicic acid, sodium salt; (Sodium silicate) 1344-09-8
14.01
14.02
8.00
11.00
11.01
4.11
4.07
4.01
Formula Synonyms
Na4.O4.Si
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
184.04268 S 102 18
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
5.9 65 390
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
0.78 8.6 52
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.