☣️ UN 2628 • CLASS 6
UN 2628 — Potassium fluoroacetate
Placard: Toxic. ERG Guide 151. 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 2628 Quick Details
UN 2628
Product name: Potassium fluoroacetate
DOT Class: 6
Placard type: Toxic
ERG Guide: 151 (check current ERG)
Initial isolation: ERG 151: isolate spill/leak 25m all directions; large spill 50m; downwind evacuation 300m day, 800m night if fire
Common Hazards of UN 2628
- 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 | Potassium monofluoroacetatePotassium fluoroethanoateFluoroacetic acid potassium saltCompound 1080 potassium salt |
| CAS Number | 127-03-1 |
| Appearance | White to tan crystalline powder or granular solid. Odorless or slight odor. Stable at room temperature. |
| Flash Point | Not applicable (non-flammable solid) |
| Boiling Point | Not applicable (decomposes before boiling) |
| Vapor Density | Not applicable (solid with negligible vapor pressure) |
| Water Reactivity | Soluble in water; no violent reaction but releases toxic fluoroacetate ions |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 2628
Extinguishing Media
Water spray, dry chemical, CO2, sand suitable; avoid generating dust
PPE Requirements
⚠️ Level A recommended for spill response; SCBA mandatory; chemical-resistant suit, gloves, boots; prevent all skin contact
Isolation & Evacuation
ERG 151: isolate spill/leak 25m all directions; large spill 50m; downwind evacuation 300m day, 800m night if fire
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 151).
First Actions for a UN 2628 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
Advertisement
📋 Copy & Share Field Card
UN 2628 — Potassium fluoroacetateHAZMAT RADIO NOTE — UN 2628
Product: Potassium fluoroacetate
Class 6 / Toxic / ERG 151
PPE: Level A recommended for spill response; SCBA mandatory; chemical-resistant suit, gloves, boots; prevent all skin contact
ISOLATION: ERG 151: isolate spill/leak 25m all directions; large spill 50m; downwind evacuation 300m day, 800m night if 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 2628 — Potassium fluoroacetate
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: White to tan crystalline powder or granular solid. Odorless or slight odor. Stable at room temperature.
Water Reactivity: Soluble in water; no violent reaction but releases toxic fluoroacetate ions
Extinguishing: Water spray, dry chemical, CO2, sand suitable; avoid generating dust
PPE: Level A recommended for spill response; SCBA mandatory; chemical-resistant suit, gloves, boots; prevent all skin contact
Isolation: ERG 151: isolate spill/leak 25m all directions; large spill 50m; downwind evacuation 300m day, 800m night if fire
— 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/2628 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2628 Potassium fluoroacetate Cls6 ERG151 | allfirefighter.com/hazmat/un/2628SMS / 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/2628
Advertisement
Frequently Asked Questions about UN 2628
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 A recommended for spill response; SCBA mandatory; chemical-resistant suit, gloves, boots; prevent all skin contact
Water reactivity: Soluble in water; no violent reaction but releases toxic fluoroacetate ions. Recommended extinguishing: Water spray, dry chemical, CO2, sand suitable; avoid generating dust.
ERG Guide 151 recommendation: ERG 151: isolate spill/leak 25m all directions; large spill 50m; downwind evacuation 300m day, 800m night if fire
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.