☣️ UN 2335 • CLASS 3
UN 2335 — Allyl ethyl ether
Placard: Flammable. ERG Guide 131. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
🚒☣️
⚠️ 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.
Advertisement
UN 2335 Quick Details
UN 2335
Product name: Allyl ethyl ether
DOT Class: 3
Placard type: Flammable
ERG Guide: 131 (check current ERG)
Initial isolation: ERG 131: isolate spill/leak 50m all directions; evacuate 800m downwind if large spill or fire
Common Hazards of UN 2335
- TOXIC; may be fatal if inhaled, ingested or absorbed through skin.
- Inhalation or contact with some of these materials will irritate or burn skin and eyes.
- Methyl chloroacetate (UN2295) is an eye irritant/lachrymator (causes flow of tears).
- Fire will produce irritating, corrosive and/or toxic gases.
- Vapors may cause dizziness or asphyxiation, especially when in closed or confined areas.
- Runoff from fire control or dilution water may cause environmental contamination.
- HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
- Vapors may form explosive mixtures with air.
Chemical Identity & Physical Properties
| Also known as | Allylethyl ether3-EthoxypropeneEther, allyl ethylEthyl allyl ether |
| CAS Number | 557-31-3 |
| Appearance | Clear, colorless liquid with a pungent, ether-like odor. Highly volatile and exists as a liquid at room temperature. |
| Flash Point | -37°C (-35°F) |
| Boiling Point | 66-68°C (151-154°F) |
| Vapor Density | 3.0 (heavier than air) |
| Water Reactivity | No significant reaction; slightly soluble in water |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 2335
Extinguishing Media
Alcohol-resistant AFFF foam, CO2, dry chemical, water spray for cooling
PPE Requirements
⚠️ Level B minimum; SCBA required in enclosed areas or fire; chemical-resistant gloves and suit to prevent skin absorption
Isolation & Evacuation
ERG 131: isolate spill/leak 50m all directions; evacuate 800m downwind if large spill or fire
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 131).
First Actions for a UN 2335 Incident
- 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.
- For highlighted materials: see Table 1 - Initial Isolation and Protective Action Distances.
- For non-highlighted materials: increase the immediate precautionary measure distance, in the downwind
Advertisement
📋 Copy & Share Field Card
UN 2335 — Allyl ethyl etherHAZMAT RADIO NOTE — UN 2335
Product: Allyl ethyl ether
Class 3 / Flammable / ERG 131
PPE: Level B minimum; SCBA required in enclosed areas or fire; chemical-resistant gloves and suit to prevent skin absorption
ISOLATION: ERG 131: isolate spill/leak 50m all directions; evacuate 800m downwind if large spill or fire
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 2335 — Allyl ethyl ether
Class: 3 | Placard: Flammable | ERG Guide: 131
Appearance: Clear, colorless liquid with a pungent, ether-like odor. Highly volatile and exists as a liquid at room temperature.
Water Reactivity: No significant reaction; slightly soluble in water
Extinguishing: Alcohol-resistant AFFF foam, CO2, dry chemical, water spray for cooling
PPE: Level B minimum; SCBA required in enclosed areas or fire; chemical-resistant gloves and suit to prevent skin absorption
Isolation: ERG 131: isolate spill/leak 50m all directions; evacuate 800m downwind if large spill or fire
— Key Hazards —
• TOXIC; may be fatal if inhaled, ingested or absorbed through skin.
• Inhalation or contact with some of these materials will irritate or burn skin and eyes.
• Methyl chloroacetate (UN2295) is an eye irritant/lachrymator (causes flow of tears).
— 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/2335 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2335 Allyl ethyl ether Cls3 ERG131 | ERG 131: isolate spill/leak 50m all directions; evacuate 800m downwind if large | allfirefighter.com/hazmat/un/2335SMS / 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/2335
Advertisement
Frequently Asked Questions about UN 2335
TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Inhalation or contact with some of these materials will irritate or burn skin and eyes. Methyl chloroacetate (UN2295) is an eye irritant/lachrymator (causes flow of tears). Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or asphyxiation, especially when in closed or confined areas. Runoff from fire control or dilution water may cause environmental contamination. HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air.
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; SCBA required in enclosed areas or fire; chemical-resistant gloves and suit to prevent skin absorption
Water reactivity: No significant reaction; slightly soluble in water. Recommended extinguishing: Alcohol-resistant AFFF foam, CO2, dry chemical, water spray for cooling.
ERG Guide 131 recommendation: ERG 131: isolate spill/leak 50m all directions; evacuate 800m downwind if large spill or fire
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 131 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.