PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Dichlorooctane, 1,8- 2162-99-4
15.01
11.01
15.02
Formula Synonyms
C8.H16.Cl2
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
183.12 L 1.025
PAC Values
PAC Values (Original Units: mg/m3)
PAC-1 PAC-2 PAC-3
12 130 790
Converted PAC Values (ppm)
PAC-1 PAC-2 PAC-3
1.6 17 110
Technical Basis
A review of available sources did not identify exposure limits or acute toxicity data for 1,8-dichlorooctane. Reported GHS health hazard ratings (H315 and H319, Category 2; H335, Category 3) indicate a mid-level health hazard, approximately equivalent to an HHR=2. Analysts assumed an HHR=2 as the TEEL-3 basis (Section 3.4.5). TEEL-2 and TEEL-1 values were derived according to Table 3.5.
• PAC-1 = TEEL-1 = TEEL-2/11
• PAC-2 = TEEL-2 = TEEL-3/6
• PAC-3 = TEEL-3 = HHR=2
This review generated PAC values inconsistent with Rev. 29A. The Rev. 29A TEEL-1 basis was a TLV-TWA for particles not otherwise specified (Section 3.5.2), from which the TEEL-2 and TEEL-3 were derived (Table 3.5). The current TEEL-3 basis is an assumed HHR=2, from analysis of GHS health hazard statements, from which TEEL-2 and TEEL-1 were derived (Table 3.5).
References
Chemical information: https://comptox.epa.gov/dashboard/chemical/details/DTXSID4062226
GHS Hazard statements: https://pubchem.ncbi.nlm.nih.gov/compound/1_8-Dichlorooctane
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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.