☣️ UN 2763 • CLASS 6
UN 2763 — Triazine 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 2763 Quick Details
UN 2763
Product name: Triazine pesticide, solid, poisonous
DOT Class: 6
Placard type: Toxic
ERG Guide: 151 (check current ERG)
Initial isolation: ERG 151: isolate spill 25-50m all directions; if large spill isolate 100m; if fire or leaking container evacuate 800m downwind
Common Hazards of UN 2763
- 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 | Triazine herbicides-Triazine pesticideAtrazine-type compoundsSimazine-type compoundsTriazine-based herbicides |
| Appearance | White to off-white crystalline solid or powder, slight to no odor. Solid at room temperature, may be formulated as granules or wettable powder. |
| Flash Point | Not applicable (solid pesticide, typically non-flammable but may burn) |
| Boiling Point | Not applicable (decomposes before boiling, typically >200C) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water, though may dissolve slowly depending on formulation |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 2763
Extinguishing Media
Dry chemical, CO2, water spray, or foam suitable for surrounding combustibles
PPE Requirements
⚠️ Level B minimum with SCBA; chemical-resistant suit, gloves, and boots required; avoid all skin contact due to high dermal toxicity
Isolation & Evacuation
ERG 151: isolate spill 25-50m all directions; if large spill isolate 100m; if fire or leaking container evacuate 800m downwind
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 151).
First Actions for a UN 2763 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 2763 — Triazine pesticide, solid, poisonousHAZMAT RADIO NOTE — UN 2763
Product: Triazine pesticide, solid, poisonous
Class 6 / Toxic / ERG 151
PPE: Level B minimum with SCBA; chemical-resistant suit, gloves, and boots required; avoid all skin contact due to high dermal toxicity
ISOLATION: ERG 151: isolate spill 25-50m all directions; if large spill isolate 100m; if fire or leaking container evacuate 800m 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 2763 — Triazine pesticide, solid, poisonous
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: White to off-white crystalline solid or powder, slight to no odor. Solid at room temperature, may be formulated as granules or wettable powder.
Water Reactivity: No significant reaction with water, though may dissolve slowly depending on formulation
Extinguishing: Dry chemical, CO2, water spray, or foam suitable for surrounding combustibles
PPE: Level B minimum with SCBA; chemical-resistant suit, gloves, and boots required; avoid all skin contact due to high dermal toxicity
Isolation: ERG 151: isolate spill 25-50m all directions; if large spill isolate 100m; if fire or leaking container evacuate 800m 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/2763 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2763 Triazine pesticide, solid, poisonous Cls6 ERG151 | allfirefighter.com/hazmat/un/2763SMS / 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/2763
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Frequently Asked Questions about UN 2763
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; chemical-resistant suit, gloves, and boots required; avoid all skin contact due to high dermal toxicity
Water reactivity: No significant reaction with water, though may dissolve slowly depending on formulation. Recommended extinguishing: Dry chemical, CO2, water spray, or foam suitable for surrounding combustibles.
ERG Guide 151 recommendation: ERG 151: isolate spill 25-50m all directions; if large spill isolate 100m; if fire or leaking container evacuate 800m 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.