PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Phenylene diisocyanate, 1,4- 104-49-4 2811
14.01
4.01
11.01
14.02
11.00
4.07
9.00
Formula Synonyms
C8H4N2O2 1,4-PHENYLENE DIISOCYANATE, 1,4-DIISOCYANATOBENZENE, 1,4-PHENYLENEBIS(ISOCYANATE), BENZENE, 1,4-DIISOCYANATO-, ISOCYANIC ACID, P-PHENYLENE ESTER, P-PHENYLENE DIISOCYANATE, P-PHENYLENE ISOCYANATE
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
160.14 S
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
1 11 14
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
0.15 1.7 2.1
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.