☣️ UN 3025 • CLASS 6
Coumarin derivative pesticide, liquid, poisonous, flammable
Placard: Toxic. 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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Quick details
UN 3025
Class: 6
Placard type: Toxic
ERG: Guide 131 (check current ERG)
Isolation: ERG 131: isolate spill/leak area immediately for at least 50m in all directions; evacuate 800m downwind if tank/rail car is involved in fire
Chemical & Response Details
| Also known as | Coumarin-based pesticideWarfarin-type rodenticide liquidCoumarin pesticide formulation4-hydroxycoumarin derivative |
| Appearance | Liquid pesticide formulation, typically colorless to pale yellow or amber. May have a faint aromatic or solvent-like odor. Physical state is liquid at room temperature. |
| Flash Point | 23-61C (73-142F) typical for flammable pesticide formulations |
| Boiling Point | Variable depending on formulation, typically 150-250C (302-482F) |
| Vapor Density | Heavier than air, typically 3-5 relative to air |
| Water Reactivity | No significant reaction with water, though may be slightly soluble or form emulsions |
| Extinguishing | Alcohol-resistant foam (AR-AFFF), CO2, dry chemical, water spray for cooling |
| PPE | ⚠️ Level B minimum; SCBA required; chemical-resistant suit, gloves, and boots mandatory due to high dermal toxicity |
| Isolation | ERG 131: isolate spill/leak area immediately for at least 50m in all directions; evacuate 800m downwind if tank/rail car is involved in fire |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- TOXIC; may be fatal if inhaled, ingested or absorbed through skin.
- Inhalation or contact with some of these materials will irritate or burn skin and eyes.
- Methyl chloroacetate (UN2295) is an eye irritant/lachrymator (causes flow of tears).
- Fire will produce irritating, corrosive and/or toxic gases.
- Vapors may cause dizziness or asphyxiation, especially when in closed or confined areas.
- Runoff from fire control or dilution water may cause environmental contamination.
- HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
- Vapors may form explosive mixtures with air.
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- Ventilate closed spaces before entering, but only if properly trained and equipped.
- Isolate spill or leak area for at least 50 meters (150 feet) in all directions.
- 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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UN 3025 — Coumarin derivative pesticide, liquid, p HAZMAT RADIO NOTE — UN 3025
Product: Coumarin derivative pesticide, liquid, poisonous, flammable
Class 6 / Toxic / ERG 131
PPE: Level B minimum; SCBA required; chemical-resistant suit, gloves, and boots mandatory due to high dermal toxicity
ISOLATION: ERG 131: isolate spill/leak area immediately for at least 50m in all directions; evacuate 800m downwind if tank/rail car is involved in 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 3025 — Coumarin derivative pesticide, liquid, poisonous, flammable
Class: 6 | Placard: Toxic | ERG Guide: 131
Appearance: Liquid pesticide formulation, typically colorless to pale yellow or amber. May have a faint aromatic or solvent-like odor. Physical state is liquid at room temperature.
Water Reactivity: No significant reaction with water, though may be slightly soluble or form emulsions
Extinguishing: Alcohol-resistant foam (AR-AFFF), CO2, dry chemical, water spray for cooling
PPE: Level B minimum; SCBA required; chemical-resistant suit, gloves, and boots mandatory due to high dermal toxicity
Isolation: ERG 131: isolate spill/leak area immediately for at least 50m in all directions; evacuate 800m downwind if tank/rail car is involved in fire
— Key Hazards —
• TOXIC; may be fatal if inhaled, ingested or absorbed through skin.
• Inhalation or contact with some of these materials will irritate or burn skin and eyes.
• Methyl chloroacetate (UN2295) is an eye irritant/lachrymator (causes flow of tears).
— 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.
• Ventilate closed spaces before entering, but only if properly trained and equipped.
SOURCE: allfirefighter.com/hazmat/un/3025 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN3025 Coumarin derivative pesticide, liquid, poisonous, flammable Cls6 ERG131 | allfirefighter.com/hazmat/un/3025SMS / 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/3025
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FAQ
TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Inhalation or contact with some of these materials will irritate or burn skin and eyes. Methyl chloroacetate (UN2295) is an eye irritant/lachrymator (causes flow of tears). Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or asphyxiation, especially when in closed or confined areas. Runoff from fire control or dilution water may cause environmental contamination. HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air.
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; SCBA required; chemical-resistant suit, gloves, and boots mandatory due to high dermal toxicity
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 131 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.