COAL TAR PITCH VOLATILES (BENZENE-SOLUBLE FRACTION), (PYRENE, PHENANTHRENE, ACRIDINE, CHRYSENE, ANTHRACENE AND BENZO(A)PYRENE)‡
| CAS # | 65996-93-2 |
|---|---|
| Formula |
Mixture |
| Synonyms |
coal tar pitch high temperature; oil pitch; pitch; CTPHT; coal tar distillates; other synonyms vary depending upon the specific compound (e.g., pyrene, phenanthrene, acridine, chrysene, anthracene and benzo(a)pyrene). |
| Physical description | Black viscous liquid with an odor of aromatic solvent. | ||
|---|---|---|---|
| Boiling point | >150°F | Molecular weight | |
| Freezing point/melting point | Vapor pressure | depends upon the specific compound | |
| Flash point | >842°F | Vapor density | |
| Specific gravity | >1.1 | Ionization potential | |
| Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
| NFPA health rating | NFPA fire rating | ||
| NFPA reactivity rating | NFPA special instruction | ||
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 0700 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | Coal Tar Pitch Volatiles (CTPV) Sampling Filters and Cassette [SLTC109] | ||
| Sampling time* | 480 min |
||
| Sampling volume (TWA)* | 960 L |
||
| Sampling flow rate (TWA)* | 2 L/min |
||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | HPLC | ||
| Method reference | OSHA 58 (fully validated) | ||
| Notes | After sampling, filter must be transferred to a vial with a teflon-lined cap. Sample must be protected from direct sunlight. If chemicals are present that may be soluble in benzene, such as sulfur, please note them on the 91A form, because additional analyses may be possible to determine the extent of interference. |
||
| Special requirements | These media are prepared by SLTC as needed and are not available for immediate shipment. Please allow time for SLTC to prepare these media prior to sampling. |
* 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 Sampler/Sampling media | |
|---|---|
| Bulk Method |
| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
|
Sampling information (see manufacturer instructions) |
|
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 |
0.2 mg/m³ (benzene-soluble fraction) |
REL-TWA |
0.1 mg/m³ (cyclohexane-extractable fraction) |
TLV-TWA |
0.2 mg/m³ (benzene-soluble aerosol) [1984] |
PEL-TWA |
0.2 mg/m³ |
| PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
| PEL-C | REL-C | TLV-C | PEL-C | ||||
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
|
Notes:
See 29 CFR 1910.1000 Table Z-1 and 1910.1002 - Coal tar pitch volatiles; interpretation of term. |
Notes:
CARCINOGEN (Ca). See Appendix A, NIOSH Potential Occupational Carcinogens and Appendix C, Supplementary Exposure Limits. |
Notes:
BEI® |
Notes: | ||||
| Health factors: See NIH-NLM PubChem. | IDLH |
80 mg/m³ |
|||||
| Carcinogenic classifications: IARC-1, NIOSH-Ca, NTP-K, TLV-A1 |
Notes:
Ca |
||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Not Listed NIOSH: Pocket Guide to Chemical Hazards - Coal tar pitch volatiles Literature References
|
Last Updated Date : 01/28/2021