☣️ UN 1888 • CLASS 6
UN 1888 — Chloroform
Placard: Toxic. ERG Guide 151. 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 1888 Quick Details
UN 1888
Product name: Chloroform
DOT Class: 6
Placard type: Toxic
ERG Guide: 151 (check current ERG)
Initial isolation: ERG 151: isolate spill area at least 25m in all directions; for large spills consider initial evacuation 100m downwind
Common Hazards of UN 1888
- Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
- 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
- Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive
- Containers may explode when heated.
- Runoff may pollute waterways.
Chemical Identity & Physical Properties
| Also known as | TrichloromethaneMethyl trichlorideMethenyl trichlorideFreon 20R-20 |
| CAS Number | 67-66-3 |
| Appearance | Clear, colorless liquid with a characteristic sweet, ethereal odor. Volatile and non-flammable at room temperature. |
| Flash Point | Not applicable (non-flammable liquid) |
| Boiling Point | 61.2C (142F) |
| Vapor Density | 4.1 (heavier than air) |
| Water Reactivity | Slightly soluble in water; no significant reaction under normal conditions |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 1888
Extinguishing Media
Water spray, CO2, dry chemical, or alcohol-resistant foam for surrounding fires
PPE Requirements
⚠️ Level B minimum with SCBA required; avoid all skin contact; use chemical-resistant gloves and full face protection
Isolation & Evacuation
ERG 151: isolate spill area at least 25m in all directions; for large spills consider initial evacuation 100m downwind
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 151).
First Actions for a UN 1888 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 1888 — ChloroformHAZMAT RADIO NOTE — UN 1888
Product: Chloroform
Class 6 / Toxic / ERG 151
PPE: Level B minimum with SCBA required; avoid all skin contact; use chemical-resistant gloves and full face protection
ISOLATION: ERG 151: isolate spill area at least 25m in all directions; for large spills consider initial evacuation 100m 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 1888 — Chloroform
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: Clear, colorless liquid with a characteristic sweet, ethereal odor. Volatile and non-flammable at room temperature.
Water Reactivity: Slightly soluble in water; no significant reaction under normal conditions
Extinguishing: Water spray, CO2, dry chemical, or alcohol-resistant foam for surrounding fires
PPE: Level B minimum with SCBA required; avoid all skin contact; use chemical-resistant gloves and full face protection
Isolation: ERG 151: isolate spill area at least 25m in all directions; for large spills consider initial evacuation 100m downwind
— Key Hazards —
• Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
• Avoid any skin contact.
• Fire may produce irritating, corrosive and/or toxic gases.
— 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/1888 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1888 Chloroform Cls6 ERG151 | ERG 151: isolate spill area at least 25m in all directions; for large spills con | allfirefighter.com/hazmat/un/1888SMS / 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/1888
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Frequently Asked Questions about UN 1888
Highly toxic, may be fatal if inhaled, ingested or absorbed through skin. 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 Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive Containers may explode when heated. Runoff may pollute waterways.
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 required; avoid all skin contact; use chemical-resistant gloves and full face protection
Water reactivity: Slightly soluble in water; no significant reaction under normal conditions. Recommended extinguishing: Water spray, CO2, dry chemical, or alcohol-resistant foam for surrounding fires.
ERG Guide 151 recommendation: ERG 151: isolate spill area at least 25m in all directions; for large spills consider initial evacuation 100m downwind
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 151 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.