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- Methyl (n-amyl) ketone
Methyl (n-amyl) ketone
General Description
Synonyms: Amyl methyl ketone; N-Amyl methyl ketone; 2-Heptanone; MAK
OSHA IMIS code: 1675
CAS number: 110-43-0
Monitoring Methods used by OSHA
Laboratory Sampling/Analytical Method:
- charcoal tube (100/50 mg sections, 20/40 mesh)
- maximum volume: 25 L
- maximum flow rate: 0.2 L/min
- current analytical method: gas chromatography; GC/FID
- analytical solvent: (99:1) carbon disulfide:methanol
- method reference: NIOSH 1301 (fully validated)
Exposure Limits and Health Effects (Updated September 6, 2012)
| Standard Set By | Exposure Limit | Health Effect Codes -- Health Effects and Target Organs |
|---|---|---|
| OSHA PEL - General Industry See 29 CFR 1910.1000 Table Z-1 |
100 ppm (465 mg/m3) TWA | |
| HE8 -- narcosis | ||
| HE15 -- mucous membrane irritation | ||
| OSHA PEL - Construction Industry See 29 CFR 1926.55 Appendix A |
100 ppm (465 mg/m3) TWA | |
| HE8 -- narcosis | ||
| HE15 -- mucous membrane irritation | ||
| OSHA PEL - Shipyard Employment See 29 CFR 1915.1000 Table Z - Shipyards |
100 ppm (465 mg/m3) TWA | |
| HE8 -- narcosis | ||
| HE15 -- mucous membrane irritation | ||
| NIOSH REL | 100 ppm (465 mg/m3) TWA | HE8 -- narcosis |
| HE15 -- mucous membrane irritation | ||
| ACGIH TLV® (1978) | 50 ppm (233 mg/m3) TWA | HE15 -- eye and skin irritation |
| CAL/OSHA PELs | 50 ppm (235 mg/m3) TWA | HE15 -- eye and skin irritation |
Carcinogenic classification:
- NTP: Not listed
- IARC: Not listed
- EPA: Not listed
EPA Inhalation Reference Concentration (RfC): Not established
ATSDR Inhalation Minimal Risk Levels (MRLs): Not established
NIOSH IDLH concentration: 800 ppm
Notes on other potential health effects and hazards:
- Explosive vapor/air mixtures may be formed above 48°C (NIOSH/IPCS 1996).
Partial reference list:
- ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Methyl n-Amyl Ketone. 2016.
- NIOSH: Criteria for a Recommended Standard - Occupational Exposure to Ketones. June 1978.
- NIOSH/CEC/IPCS: International Chemical Safety Cards - Methyl n-amyl ketone. March 28, 1996.
Additional Information
- Department of Transportation Regulation Number (49 CFR 172.101) and Emergency Response Guidebook: 1110 127.
- NIOSH: Pocket Guide to Chemical Hazards - Methyl (n-amyl) ketone.
- NIOSH: Registry of Toxic Effects (RTECS) Identification Number - MJ5075000.
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