☣️ UN 3352 • CLASS 6
Pyrethroid pesticide, liquid, poisonous
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 3352
Class: 6
Placard type: Toxic
ERG: Guide 151 (check current ERG)
Isolation: ERG 151: isolate spill 25-50m all directions; if tank/cargo involved in fire, isolate 800m all directions
Chemical & Response Details
| Also known as | Pyrethroid insecticide solutionSynthetic pyrethrin pesticide liquidPyrethroid formulation |
| Appearance | Clear to amber-colored liquid with mild to no odor, depending on formulation. Oily consistency, immiscible with water. |
| Flash Point | Varies by formulation, typically 38-93C (100-200F) depending on solvent carrier |
| Boiling Point | Varies by formulation, typically 150-250C (302-482F) depending on solvent |
| Vapor Density | Heavier than air, typically 5-8 (air=1) |
| Water Reactivity | No significant reaction with water, but insoluble and forms surface film |
| Extinguishing | Alcohol-resistant foam, dry chemical, CO2; avoid water streams that spread contamination |
| PPE | ⚠️ Level A or B minimum; SCBA required; full chemical-resistant suit; avoid all skin contact; double-glove recommended |
| Isolation | ERG 151: isolate spill 25-50m all directions; if tank/cargo involved in fire, isolate 800m all directions |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- 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.
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.
- 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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UN 3352 — Pyrethroid pesticide, liquid, poisonous HAZMAT RADIO NOTE — UN 3352
Product: Pyrethroid pesticide, liquid, poisonous
Class 6 / Toxic / ERG 151
PPE: Level A or B minimum; SCBA required; full chemical-resistant suit; avoid all skin contact; double-glove recommended
ISOLATION: ERG 151: isolate spill 25-50m all directions; if tank/cargo involved in fire, isolate 800m all directions
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 3352 — Pyrethroid pesticide, liquid, poisonous
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: Clear to amber-colored liquid with mild to no odor, depending on formulation. Oily consistency, immiscible with water.
Water Reactivity: No significant reaction with water, but insoluble and forms surface film
Extinguishing: Alcohol-resistant foam, dry chemical, CO2; avoid water streams that spread contamination
PPE: Level A or B minimum; SCBA required; full chemical-resistant suit; avoid all skin contact; double-glove recommended
Isolation: ERG 151: isolate spill 25-50m all directions; if tank/cargo involved in fire, isolate 800m all directions
— 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/3352 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN3352 Pyrethroid pesticide, liquid, poisonous Cls6 ERG151 | allfirefighter.com/hazmat/un/3352SMS / 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/3352
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FAQ
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 or B minimum; SCBA required; full chemical-resistant suit; avoid all skin contact; double-glove recommended
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.