PAC Database - Detailed Chemical Data
Chemical Identity
| Chemical | CAS# | UN# | Health Code Numbers | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Benzyl trichloride; (Trichloromethylbenzene) | 98-07-7 | 2226 |
14.01
11.01
15.02
7.01
8.00
7.00
11.00
4.10
4.07
2.00
|
|||||||||
| Formula | Synonyms | |||||||||||
| C7H5Cl3 | BENZOTRICHLORIDE, (TRICHLOROMETHYL)BENZENE, 1-(TRICHLOROMETHYL) BENZENE, 1-(TRICHLOROMETHYL)BENZENE, ALPHA,ALPHA,ALPHA-TRICHLOROTOLUENE, BENZENE,(TRICHLOROMETHYL)-, BENZENYL CHLORIDE, BENZENYL TRICHLORIDE, BENZOIC TRICHLORIDE, BENZOTRICLORURO (DOT SPANISH), BENZYL TRICHLORIDE, BENZYLIDYNE CHLORIDE, CHLORURE DE BENZYLIDYNE (DOT FRENCH), OMEGA,OMEGA,OMEGA- TRICHLOROTOLUENE, OMEGA,OMEGA,OMEGA-TRICHLOROTOLUENE, PHENYL TRICHOROMETHANE, PHENYLCHLOROFORM, PHENYLTRICHLOROMETHANE, TOLUENE TRICHLORIDE, TOLUENE, ALPHA,ALPHA,ALPHA-TRICHLORO, TOLUENE, ALPHA,ALPHA,ALPHA-TRICHLORO-, TRICHLOROMETHYLBENZENE, TRICHLOROPHENYLMETHANE | |||||||||||
Physical Properties
| Mol Wt | State | MP (°C) | BP (°C) | VP (Hg) | VP (°C) | SG | LEL (ppm) |
|---|---|---|---|---|---|---|---|
| 195.47 | L | -4.42 | 221 | 0.4137 | 25 | 1.3723 @ 20°C |
PAC Values
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 0.0080 | 0.088 | 0.66 |
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 0.064 | 0.70 | 5.3 |
Technical Basis
A review of available sources identified the following: LOC, TLV-Ceiling, and LC50 (mouse, rat) toxicity data. 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. LC50 were scaled to 60-minute equivalents using the ten Berge equation (Section 3.3.4). Of the two LC50, which were from the same source, rat was the more preferred species and was selected as the TEEL-3 basis. The Level of Concern is a more preferred source and was selected as the TEEL-2. TEEL-1 values were calculated according to Table 3.5.
• TEEL-1 = TEEL-2/11
• TEEL-2 = LOC (0.0007 g/m3)
• TEEL-3 = Rat 2-hr LC50 (19 ppm)
This review generated TEEL values that are consistent with those in Rev. 29A.
• TEEL-1 = TEEL-2/11
• TEEL-2 = LOC (0.0007 g/m3)
• TEEL-3 = Rat 2-hr LC50 (19 ppm)
This review generated TEEL values that are consistent with those in Rev. 29A.
References
https://cameochemicals.noaa.gov/chemical/2592
https://www.osha.gov/chemicaldata/773
Appendix C, pg. C-2; https://www.epa.gov/sites/default/files/2015-09/documents/technical_guidance_for_hazard_analysis.pdf
American Conference of Governmental Industrial Hygienists TLVs and BEIs. Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices. Cincinnati, OH, 2008, p. 14; via HSDB: https://pubchem.ncbi.nlm.nih.gov/source/hsdb/2076#section=Occupational-Exposure-Standards
IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man., 29(73), 1982 [PMID:6751993]; National Center for Biotechnology Information (2023). PubChem Compound Summary for CID 7367, Benzotrichloride. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Benzotrichloride