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METHYL ISOAMYL KETONE†
| CAS # | 110-12-3 |
|---|---|
| Formula |
C₇H₁₄O |
| Synonyms |
isoamyl methyl ketone; isopentyl methyl ketone; 2-methyl-5-hexanone; 5-methyl-2-hexanone; MIAK; 5-methylhexan-2-one |
| Physical description | Colorless, clear liquid with a pleasant, fruity odor. | ||
|---|---|---|---|
| Boiling point | 291°F | Molecular weight | 114.2 |
| Freezing point/melting point | -101°F | Vapor pressure | 5 mmHg |
| Flash point | 97°F | Vapor density | |
| Specific gravity | 0.81 | Ionization potential | 9.284 eV |
| Lower explosive limit (LEL) | 1% at 200°F | Upper explosive limit (UEL) | 8.2% at 200°F |
| NFPA health rating | 1 | NFPA fire rating | 3 |
| NFPA reactivity rating | 0 | NFPA special instruction | |
| Vapor hazard ratio (VHR) | |||
| Historical exceedance percentage | |||
| Target organs | |||
| Analyte code (IMIS no.) | 1776 |
|---|---|
| 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 PV2042 (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 |
100 ppm (475 mg/m³) |
REL-TWA |
50 ppm (240 mg/m³) |
TLV-TWA |
20 ppm [2012] |
PEL-TWA |
50 ppm (234 mg/m³) |
| PEL-STEL |
|
REL-STEL |
|
TLV-STEL |
50 ppm [2012] |
PEL-STEL |
|
| PEL-C |
|
REL-C |
|
TLV-C |
|
PEL-C |
|
| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
| Notes: |
Notes:
|
Notes:
|
Notes:
|
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| Health factors: See NIH-NLM PubChem. | IDLH | ||||||
| Carcinogenic classifications: Not listed |
Notes:
|
||||||
|
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
|
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Additional Resources and Literature References
|
NOAA: CAMEO Chemicals - 5-Methylhexan-2-one NIOSH: Pocket Guide to Chemical Hazards - Methyl isoamyl ketone Literature References
|
Last Updated Date : 01/05/2021