2-PENTANONE (METHYL PROPYL KETONE)†
| CAS # | 107-87-9 |
|---|---|
| Formula |
C₅H₁₀O |
| Synonyms |
ethyl acetone; methyl propyl ketone; MPK |
| Physical description | Colorless to water-white liquid with a characteristic acetone-like odor. | ||
|---|---|---|---|
| Boiling point | 215°F | Molecular weight | 86.1 |
| Freezing point/melting point | -108°F | Vapor pressure | 12 mmHg |
| Flash point | 45°F | Vapor density | 3 |
| Specific gravity | 0.81 | Ionization potential | 9.39 eV |
| Lower explosive limit (LEL) | 1.5% | Upper explosive limit (UEL) | 8.2% |
| NFPA health rating | 2 | NFPA fire rating | 3 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 2010 | ||
|---|---|---|---|
| Sampling group | |||
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | ||
| Sampling time* | 480 min |
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| Sampling volume (TWA)* | 1-10 L |
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| Sampling flow rate (TWA)* | 0.01-0.2 L/min |
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| Sampling volume (STEL/Peak/C)* | 3 L |
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| Sampling flow rate (STEL/Peak/C)* | 0.2 L/min |
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| Analytical method instruments | GC-FID | ||
| Method reference | NIOSH 1300 (fully validated) | ||
| Notes |
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| Special requirements |
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* 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 |
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|---|---|
| Bulk Method |
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| Device | |||||
|---|---|---|---|---|---|
| Model/Type | |||||
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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 |
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|---|---|---|---|---|---|---|---|
| PEL-TWA |
200 ppm (700 mg/m³) |
REL-TWA |
150 ppm (530 mg/m³) |
TLV-TWA |
|
PEL-TWA |
200 ppm (700 mg/m³) |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
150 ppm [2006] |
PEL-STEL |
250 ppm (875 mg/m³) |
| PEL-C |
|
REL-C |
|
TLV-C |
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PEL-C |
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| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
| Notes: |
Notes:
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Notes:
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Notes:
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| Health factors: See NIH-NLM PubChem. | IDLH |
1500 ppm |
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| 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
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NOAA: CAMEO Chemicals - Methyl propyl ketone NIOSH: Pocket Guide to Chemical Hazards - 2-Pentanone Literature References
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Last Updated Date : 12/15/2020