UN 3153 — Perfluoro(methyl vinyl ether)
Placard: Flammable Gas. ERG Guide 115. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
UN 3153 is Perfluoro(methyl vinyl ether), a flammable liquefied fluorinated vinyl ether gas assigned to ERG Guide 115. Flashback, frostbite and cylinder rupture are key hazards.
Hazard overview: EXTREMELY FLAMMABLE liquefied fluorinated vinyl ether gas; may ignite easily by heat, sparks or flames. Gas can form explosive mixtures with air and flash back from ignition sources. Vapors from liquefied gas are initially heavier than air and may spread along the ground.
Response guidance: For UN 3153, eliminate ignition sources, isolate low areas and cool cylinders from protection. Do not extinguish a leaking gas fire unless flow can be stopped safely.
Firefighter training notes: Training for UN 3153 should emphasize cylinder/package recognition, vapor density, air monitoring, SCBA use, frostbite/toxicity controls, isolation and source-control limits. Use ERG 115, SDS and local SOP.
Regulatory context: Perfluoro(methyl vinyl ether) is regulated as a hazardous material for transport and emergency response. Storage, reporting, exposure, waste and incident-notification duties depend on quantity, package type, formulation and jurisdiction; verify shipping papers, SDS and authority guidance.
Storage & handling: Perfluoro(methyl vinyl ether) should be stored in secured, compatible cylinders or sample packages away from heat, physical damage and unauthorized access, with ventilation, segregation and emergency planning based on exact gas identity.
UN 3153 Quick Details
Common Hazards of UN 3153
- EXTREMELY FLAMMABLE liquefied fluorinated vinyl ether gas; may ignite easily by heat, sparks or flames.
- Gas can form explosive mixtures with air and flash back from ignition sources.
- Vapors from liquefied gas are initially heavier than air and may spread along the ground.
- Liquefied gas contact can cause frostbite or cold burns.
- Cylinders exposed to fire may vent, rupture or rocket.
- Fire or hot surfaces may produce hydrogen fluoride, carbonyl fluoride-type gases and other toxic/corrosive fluorinated smoke.
- Runoff or vapor-control water may be fluoride-contaminated and corrosive.
Chemical Identity & Physical Properties
Colorless liquefied gas with a faint ethereal odor. Shipped as a liquefied compressed gas under its own vapor pressure.
| Also known as | PMVEPerfluoromethyl vinyl ether1,1,2,3,3,3-Hexafluoropropyl methyl etherMethyl perfluorovinyl ether |
| CAS Number | 1187-93-5 |
| Appearance | Colorless liquefied gas with a faint ethereal odor. Shipped as a liquefied compressed gas under its own vapor pressure. |
| Flash Point | -78C (-108F) |
| Boiling Point | -23C (-9F) |
| Vapor Density | 5.8 (heavier than air) |
| Water Reactivity | No significant reaction with water, but insoluble |
Fireground Response Guidance — UN 3153
Extinguishing Media
PPE Requirements
Use positive-pressure SCBA for releases, fire or confined spaces. Wear eye/face protection and insulated gloves where liquefied or cryogenic gas contact is possible.
Isolation & Evacuation
First Actions for a UN 3153 Incident
- Call 911 and the emergency response number on the shipping paper, if available.
- Keep unauthorized personnel away and establish incident command.
- Stay upwind, uphill and upstream.
- Eliminate ignition sources if this can be done safely.
- Avoid breathing vapor, gas, dust, mist, smoke or fumes and avoid skin or eye contact.
- Do not touch damaged containers, cylinders, articles or spilled material without proper training and PPE.
- Prevent contaminated runoff, debris and decontamination waste from spreading.
- Ventilate confined spaces only after monitoring and only if properly trained and equipped.
- Use ERG Guide 115, SDS, shipping papers, markings and monitoring to set isolation, evacuation and entry decisions.
📋 Copy & Share Field Card
UN 3153 — Perfluoro(methyl vinyl ether)Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief.
Use for: Quick text to command or incoming units. Fits in a single SMS.