O-CHLOROTOLUENE
| Chemical Identification | |
|---|---|
| CAS # | 95-49-8 |
| Formula |
C₇H₇Cl |
| Synonyms |
1-chloro-2-methylbenzene; 2-chloro-1-methylbenzene; 2-chlorotoluene; o-tolyl chloride |
| Physical Properties | |||
|---|---|---|---|
| Physical description | Colorless liquid with an aromatic odor. | ||
| Boiling point | 318.2°F | Molecular weight | 126.58 |
| Freezing point/melting point | -31.2°F | Vapor pressure | 4 mmHg at 77°F |
| Flash point | 126°F | Vapor density | |
| Specific gravity | 1.08 | Ionization potential | 8.83 eV |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | 1.36% (calculated) | |
| NFPA health rating | 2 | NFPA fire rating | 2 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Monitoring Methods Used by OSHA | ||||||
|---|---|---|---|---|---|---|
| Analyte code (IMIS no.) | ||||||
| Sampling group | ||||||
| Sampler/Sampling media | ||||||
| Sampling time* | ||||||
| Sampling volume (TWA)* | ||||||
| Sampling flow rate (TWA)* | ||||||
| Sampling volume (STEL/Peak/C)* | ||||||
| Sampling flow rate (STEL/Peak/C)* | ||||||
| Analytical method instruments | ||||||
| Method reference | ||||||
| Notes | ||||||
| Special requirements | ||||||
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
| Wipe Method | |
|---|---|
| Sampler/Sampling media | |
| Bulk Method |
|---|
| On-Site Screening Techniques | ||||||
|---|---|---|---|---|---|---|
| Device | ||||||
| Model/Type | ||||||
|
Sampling information (see manufacturer instructions) |
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| Exposure Limits | |||||||
|---|---|---|---|---|---|---|---|
|
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
|||||
| PEL-TWA | REL-TWA |
50 ppm (250 mg/m³) |
TLV-TWA |
50 ppm [1971] |
PEL-TWA |
50 ppm (250 mg/m³) |
|
| PEL-STEL | REL-STEL |
75 ppm (375 mg/m³) |
TLV-STEL | PEL-STEL | |||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
NA |
Skin notation |
N |
Skin notation |
N |
Skin notation |
Y |
|
Notes:
Not established |
Notes: | Notes: | Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: Not listed |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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| Additional Resources and Literature References |
|---|
|
NOAA: CAMEO Chemicals - O-Chlorotoluene NIOSH: Pocket Guide to Chemical Hazards - o-Chlorotoluene Literature References
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Last Updated Date : 01/31/2018