1-METHYLNAPHTHALENE
Chemical Identification | |
---|---|
CAS # | 90-12-0 |
Formula |
C₁₁H₁₀ |
Synonyms |
α-methylnaphthalene |
Physical Properties | |||
---|---|---|---|
Physical description | Colorless liquid. | ||
Boiling point | 464-469°F | Molecular weight | 142.2 |
Freezing point/melting point | -8°F | Vapor pressure | |
Flash point | 180°F | Vapor density | 4.91 |
Specific gravity | 1.0202 | 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 |
Monitoring Methods Used by OSHA | ||||||
---|---|---|---|---|---|---|
Analyte code (IMIS no.) | M155 | |||||
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 | OSHA staff only, please contact SLTC at 801-233-4900 |
|||||
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) |
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 | TLV-TWA |
0.5 ppm [2006] |
PEL-TWA | |||
PEL-STEL | REL-STEL | TLV-STEL | PEL-STEL | ||||
PEL-C | REL-C | TLV-C | PEL-C | ||||
Skin notation |
NA |
Skin notation |
NA |
Skin notation |
Y |
Skin notation |
NA |
Notes:
Not established |
Notes:
Not established |
Notes: |
Notes:
Not established |
||||
Health factors: See NIH-NLM PubChem. | IDLH | ||||||
Carcinogenic classifications: TLV-A4 |
Notes:
|
||||||
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
Additional Resources and Literature References |
---|
NOAA: CAMEO Chemicals - 1-Methylnaphthalene NIOSH: Pocket Guide to Chemical Hazards - 1-Methylnaphthalene Literature References
|
Last Updated Date : 12/15/2020