PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Carbazole 86-74-8
15.01
11.01
15.02
3.10
3.07
3.11




Formula Synonyms
C12H9N CARBAZOLE, 9-AZAFLUORENE, 9H-CARBAZOLE, DIBENZO(B,D)PYRROLE, DIBENZOPYRROLE, DIBENZO[B,D]PYRROLE, DIPHENYLENEIMINE, DIPHENYLENIMIDE, DIPHENYLENIMINE, SKF 20091, USAF EK-600
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
167.22 S 244.8 354.7 400 323 1.10 @18°C
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
0.66 7.2 43
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
0.097 1.1 6.3
Technical Basis
A review of available sources identified mouse and rat acute toxicity data (LDLo, LD50). Data sources were selected according to the hierarchy listed in Table 3.1. Toxicity data were selected according to type of exposure, species, and route according to the hierarchies stated in Sections 3.3.1, 3.3.2, and evaluated using factors in Tables 3.2, 3.3, and 3.4. The most preferred source, a mouse intraperitoneal LD50, was selected as the TEEL-3 basis. TEEL-2 and TEEL-1 values were derived according to Table 3.5.
• TEEL-1 = TEEL-2/11
• TEEL-2 = TEEL-3/6
• TEEL-3 = Mouse LD50 intraperitoneal (200 mg/kg)
This review generated TEEL values consistent with Rev. 29A.
References
https://pubchem.ncbi.nlm.nih.gov/compound/Carbazole
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