☣️ UN 2775 • CLASS 6
UN 2775 — Copper based pesticide, solid, poisonous
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 2775 Quick Details
UN 2775
Product name: Copper based pesticide, solid, poisonous
DOT Class: 6
Placard type: Toxic
ERG Guide: 151 (check current ERG)
Initial isolation: ERG 151: isolate spill area at least 25 meters in all directions; for large spills consider initial evacuation of 100 meters; if fire involves this material, isolate 800 meters in all directions and consider evacuation
Common Hazards of UN 2775
- 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 | Copper fungicideCupric pesticideCopper-based biocideCopper compound pesticide |
| Appearance | Solid powder or granular material, typically blue, green, or blue-green in color depending on the specific copper compound. May have a slight metallic or chemical odor. |
| Flash Point | Not applicable (non-flammable solid) |
| Boiling Point | Not applicable (decomposes before boiling) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water, though some copper compounds may slowly hydrolyze or dissolve |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 2775
Extinguishing Media
Water spray, dry chemical, CO2, or foam may be used for firefighting
PPE Requirements
⚠️ Level B minimum with full-face respirator or SCBA; chemical-resistant gloves and suit required to prevent skin contact; highly toxic by all routes of exposure
Isolation & Evacuation
ERG 151: isolate spill area at least 25 meters in all directions; for large spills consider initial evacuation of 100 meters; if fire involves this material, isolate 800 meters in all directions and consider evacuation
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 151).
First Actions for a UN 2775 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 2775 — Copper based pesticide, solid, poisonousHAZMAT RADIO NOTE — UN 2775
Product: Copper based pesticide, solid, poisonous
Class 6 / Toxic / ERG 151
PPE: Level B minimum with full-face respirator or SCBA; chemical-resistant gloves and suit required to prevent skin contact; highly toxic by all routes of exposure
ISOLATION: ERG 151: isolate spill area at least 25 meters in all directions; for large spills consider initial evacuation of 100 meters; if fire involves this material, isolate 800 meters in all directions and consider evacuation
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 2775 — Copper based pesticide, solid, poisonous
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: Solid powder or granular material, typically blue, green, or blue-green in color depending on the specific copper compound. May have a slight metallic or chemical odor.
Water Reactivity: No significant reaction with water, though some copper compounds may slowly hydrolyze or dissolve
Extinguishing: Water spray, dry chemical, CO2, or foam may be used for firefighting
PPE: Level B minimum with full-face respirator or SCBA; chemical-resistant gloves and suit required to prevent skin contact; highly toxic by all routes of exposure
Isolation: ERG 151: isolate spill area at least 25 meters in all directions; for large spills consider initial evacuation of 100 meters; if fire involves this material, isolate 800 meters in all directions and consider evacuation
— 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/2775 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2775 Copper based pesticide, solid, poisonous Cls6 ERG151 | allfirefighter.com/hazmat/un/2775SMS / 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/2775
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Frequently Asked Questions about UN 2775
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 full-face respirator or SCBA; chemical-resistant gloves and suit required to prevent skin contact; highly toxic by all routes of exposure
Water reactivity: No significant reaction with water, though some copper compounds may slowly hydrolyze or dissolve. Recommended extinguishing: Water spray, dry chemical, CO2, or foam may be used for firefighting.
ERG Guide 151 recommendation: ERG 151: isolate spill area at least 25 meters in all directions; for large spills consider initial evacuation of 100 meters; if fire involves this material, isolate 800 meters in all directions and consider evacuation
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.