☣️ UN 1110 • CLASS 3
n-Amyl methyl ketone
Placard: Flammable. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
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⚠️ This page is a quick-reference aid. For real incidents: stage upwind, isolate, deny entry, request Hazmat early, and consult the current ERG + SOP/SOG.
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Quick details
UN 1110
Class: 3
Placard type: Flammable
ERG: Guide 127 (check current ERG)
Isolation: ERG 127: Isolate spill 50m in all directions; for large spills isolate 100m and evacuate downwind areas
Chemical & Response Details
| Also known as | 2-HeptanoneMethyl amyl ketoneMethyl n-amyl ketoneMAKHeptan-2-one |
| CAS Number | 110-43-0 |
| Appearance | Colorless liquid with a fruity, banana-like odor. Liquid at room temperature with moderate volatility. |
| Flash Point | 39°C (102°F) |
| Boiling Point | 151°C (304°F) |
| Vapor Density | 3.9 (heavier than air) |
| Water Reactivity | No significant reaction; slightly soluble in water |
| Extinguishing | AFFF foam, alcohol-resistant foam, CO2, dry chemical |
| PPE | ⚠️ Level B minimum with SCBA in vapor areas; structural firefighter gear with SCBA for fire situations |
| Isolation | ERG 127: Isolate spill 50m in all directions; for large spills isolate 100m and evacuate downwind areas |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
- Vapors may form explosive mixtures with air.
- Vapors may travel to source of ignition and flash back.
- Most vapors are heavier than air. They will spread along the ground and collect in low or confined areas
- Vapor explosion hazard indoors, outdoors or in sewers.
- Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.
- Runoff to sewer may create fire or explosion hazard.
- Containers may explode when heated.
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- Ventilate closed spaces before entering, but only if properly trained and equipped.
- Isolate spill or leak area for at least 50 meters (150 feet) in all directions.
- Consider initial downwind evacuation for at least 300 meters (1000 feet).
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UN 1110 — n-Amyl methyl ketone HAZMAT RADIO NOTE — UN 1110
Product: n-Amyl methyl ketone
Class 3 / Flammable / ERG 127
PPE: Level B minimum with SCBA in vapor areas; structural firefighter gear with SCBA for fire situations
ISOLATION: ERG 127: Isolate spill 50m in all directions; for large spills isolate 100m and evacuate downwind areas
ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO
Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.
=== IC HAZMAT BRIEFING ===
UN 1110 — n-Amyl methyl ketone
Class: 3 | Placard: Flammable | ERG Guide: 127
Appearance: Colorless liquid with a fruity, banana-like odor. Liquid at room temperature with moderate volatility.
Water Reactivity: No significant reaction; slightly soluble in water
Extinguishing: AFFF foam, alcohol-resistant foam, CO2, dry chemical
PPE: Level B minimum with SCBA in vapor areas; structural firefighter gear with SCBA for fire situations
Isolation: ERG 127: Isolate spill 50m in all directions; for large spills isolate 100m and evacuate downwind areas
— Key Hazards —
• HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
• Vapors may form explosive mixtures with air.
• Vapors may travel to source of ignition and flash back.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
• Keep unauthorized personnel away.
• Stay upwind, uphill and/or upstream.
• Ventilate closed spaces before entering, but only if properly trained and equipped.
SOURCE: allfirefighter.com/hazmat/un/1110 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1110 n-Amyl methyl ketone Cls3 ERG127 | ERG 127: Isolate spill 50m in all directions; for large spills isolate 100m and | allfirefighter.com/hazmat/un/1110SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS. Includes link to full page.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions. Page: https://allfirefighter.com/hazmat/un/1110
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FAQ
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along the ground and collect in low or confined areas Vapor explosion hazard indoors, outdoors or in sewers. Those substances designated with a (P) may polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated.
CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper Keep unauthorized personnel away. Stay upwind, uphill and/or upstream.
Level B minimum with SCBA in vapor areas; structural firefighter gear with SCBA for fire situations
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 127 and your department SOP/SOG for incident-specific protective actions.
Sources (high level): DOT/PHMSA marking & class concepts + ERG usage principles. This page does not reproduce ERG guide text—always consult the current ERG for incident-specific protective actions.