☣️ UN 1916 • CLASS 6
UN 1916 — Dichloroethyl ether
Placard: Toxic. ERG Guide 152. 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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UN 1916 Quick Details
UN 1916
Product name: Dichloroethyl ether
DOT Class: 6
Placard type: Toxic
ERG Guide: 152 (check current ERG)
Initial isolation: ERG 152: isolate spill area 50m all directions; if tank/rail car involved in fire, isolate 800m all directions and evacuate 1600m downwind
Common Hazards of UN 1916
- Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
- Contact with molten substance may cause severe burns to skin and eyes.
- Avoid any skin contact.
- Fire may produce irritating, corrosive and/or toxic gases.
- Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental
- Combustible material: may burn but does not ignite readily.
- Containers may explode when heated.
- Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.
Chemical Identity & Physical Properties
| Also known as | 2,2'-Dichlorodiethyl etherBis(2-chloroethyl) etherChlorexDCEEsym-Dichloroethyl ether |
| CAS Number | 111-44-4 |
| Appearance | Colorless liquid with a pungent, fruity odor. Denser than water and slightly volatile at room temperature. |
| Flash Point | 55C (131F) |
| Boiling Point | 178C (352F) |
| Vapor Density | 4.9 (heavier than air) |
| Water Reactivity | No significant reaction with water, but hydrolyzes slowly in presence of moisture |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 1916
Extinguishing Media
Alcohol-resistant foam, CO2, dry chemical, water spray (for cooling containers)
PPE Requirements
⚠️ Level A or B required; SCBA mandatory; chemical-resistant suit, gloves, and boots; avoid all skin contact due to severe absorption hazard
Isolation & Evacuation
ERG 152: isolate spill area 50m all directions; if tank/rail car involved in fire, isolate 800m all directions and evacuate 1600m downwind
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 152).
First Actions for a UN 1916 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.
- Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
- 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
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📋 Copy & Share Field Card
UN 1916 — Dichloroethyl etherHAZMAT RADIO NOTE — UN 1916
Product: Dichloroethyl ether
Class 6 / Toxic / ERG 152
PPE: Level A or B required; SCBA mandatory; chemical-resistant suit, gloves, and boots; avoid all skin contact due to severe absorption hazard
ISOLATION: ERG 152: isolate spill area 50m all directions; if tank/rail car involved in fire, isolate 800m all directions and evacuate 1600m downwind
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 1916 — Dichloroethyl ether
Class: 6 | Placard: Toxic | ERG Guide: 152
Appearance: Colorless liquid with a pungent, fruity odor. Denser than water and slightly volatile at room temperature.
Water Reactivity: No significant reaction with water, but hydrolyzes slowly in presence of moisture
Extinguishing: Alcohol-resistant foam, CO2, dry chemical, water spray (for cooling containers)
PPE: Level A or B required; SCBA mandatory; chemical-resistant suit, gloves, and boots; avoid all skin contact due to severe absorption hazard
Isolation: ERG 152: isolate spill area 50m all directions; if tank/rail car involved in fire, isolate 800m all directions and evacuate 1600m downwind
— Key Hazards —
• Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
• Contact with molten substance may cause severe burns to skin and eyes.
• Avoid any skin contact.
— 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.
• Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
SOURCE: allfirefighter.com/hazmat/un/1916 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1916 Dichloroethyl ether Cls6 ERG152 | ERG 152: isolate spill area 50m all directions; if tank/rail car involved in fir | allfirefighter.com/hazmat/un/1916SMS / 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/1916
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Frequently Asked Questions about UN 1916
Highly toxic, may be fatal if inhaled, ingested or absorbed through skin. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental Combustible material: may burn but does not ignite readily. Containers may explode when heated. Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.
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 A or B required; SCBA mandatory; chemical-resistant suit, gloves, and boots; avoid all skin contact due to severe absorption hazard
Water reactivity: No significant reaction with water, but hydrolyzes slowly in presence of moisture. Recommended extinguishing: Alcohol-resistant foam, CO2, dry chemical, water spray (for cooling containers).
ERG Guide 152 recommendation: ERG 152: isolate spill area 50m all directions; if tank/rail car involved in fire, isolate 800m all directions and evacuate 1600m downwind
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 152 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.