LIMONENE
| CAS # | 138-86-3 |
|---|---|
| Formula |
C₁₀H₁₆ |
| Synonyms |
1-methyl-4-(1-methylethenyl)cyclohexene, (R); l-limonene; d-limonene; dl-limonene; dipentene; Acintene DP; Cinene; Dipanol; Unitene; 1-methyl-4-isopropentyl-1-cyclohexene |
| Physical description | A colorless liquid with an odor of lemon. | ||
|---|---|---|---|
| Boiling point | 352°F | Molecular weight | 136.2 |
| Freezing point/melting point | -40°F | Vapor pressure | |
| Flash point | 115°F | Vapor density | |
| Specific gravity | 0.842 at 69.8°F | Ionization potential | |
| Lower explosive limit (LEL) | 0.7% | Upper explosive limit (UEL) | 6.1% |
| NFPA health rating | 2 | NFPA fire rating | 2 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | L129 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | ||
| Sampling time* | 50 min |
||
| Sampling volume (TWA)* | 10 L |
||
| Sampling flow rate (TWA)* | 0.2 L/min |
||
| Sampling volume (STEL/Peak/C)* | |||
| Sampling flow rate (STEL/Peak/C)* | |||
| Analytical method instruments | GC-FID | ||
| Method reference | OSHA PV2036 (partially validated) | ||
| 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 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 | REL-TWA | TLV-TWA | 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 |
NA |
Skin notation |
NA |
|
Notes:
Not established |
Notes:
Not listed |
Notes:
Not listed |
Notes:
Not listed |
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: | Notes: | ||||||
| AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3: | |||||||
Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - Dipentene NIOSH: Pocket Guide to Chemical Hazards - Dipentene Literature References
|
Last Updated Date : 01/04/2021