☣️ UN 2588 • CLASS 6
UN 2588 — Pesticide, solid, poisonous, n.o.s.
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 2588 Quick Details
UN 2588
Product name: Pesticide, solid, poisonous, n.o.s.
DOT Class: 6
Placard type: Toxic
ERG Guide: 151 (check current ERG)
Initial isolation: ERG 151: Initial isolation 25m in all directions; protective action distance 100m for small spills, 300m for large spills during day, increase at night
Common Hazards of UN 2588
- 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
| Appearance | Varies widely - typically a powder, granules, or crystalline solid ranging from white to colored depending on active ingredient and formulation. Odor varies from odorless to characteristic chemical smell. |
| Flash Point | Not applicable (solid pesticide, combustibility depends on specific formulation) |
| Boiling Point | Not applicable (solid material, may decompose before boiling) |
| Vapor Density | Not applicable (solid material at room temperature) |
| Water Reactivity | Generally no significant reaction with water, though some formulations may dissolve or hydrolyze |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 2588
Extinguishing Media
Water spray, dry chemical, CO2, or foam depending on formulation; avoid methods that create dust clouds
PPE Requirements
⚠️ Level B minimum required; SCBA mandatory; chemical-resistant suit, gloves, and boots; avoid any skin contact due to high toxicity via absorption
Isolation & Evacuation
ERG 151: Initial isolation 25m in all directions; protective action distance 100m for small spills, 300m for large spills during day, increase at night
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 151).
First Actions for a UN 2588 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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UN 2588 — Pesticide, solid, poisonous, n.o.s.HAZMAT RADIO NOTE — UN 2588
Product: Pesticide, solid, poisonous, n.o.s.
Class 6 / Toxic / ERG 151
PPE: Level B minimum required; SCBA mandatory; chemical-resistant suit, gloves, and boots; avoid any skin contact due to high toxicity via absorption
ISOLATION: ERG 151: Initial isolation 25m in all directions; protective action distance 100m for small spills, 300m for large spills during day, increase at night
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 2588 — Pesticide, solid, poisonous, n.o.s.
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: Varies widely - typically a powder, granules, or crystalline solid ranging from white to colored depending on active ingredient and formulation. Odor varies from odorless to characteristic chemical smell.
Water Reactivity: Generally no significant reaction with water, though some formulations may dissolve or hydrolyze
Extinguishing: Water spray, dry chemical, CO2, or foam depending on formulation; avoid methods that create dust clouds
PPE: Level B minimum required; SCBA mandatory; chemical-resistant suit, gloves, and boots; avoid any skin contact due to high toxicity via absorption
Isolation: ERG 151: Initial isolation 25m in all directions; protective action distance 100m for small spills, 300m for large spills during day, increase at night
— 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/2588 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2588 Pesticide, solid, poisonous, n.o.s. Cls6 ERG151 | allfirefighter.com/hazmat/un/2588SMS / 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/2588
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Frequently Asked Questions about UN 2588
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 required; SCBA mandatory; chemical-resistant suit, gloves, and boots; avoid any skin contact due to high toxicity via absorption
Water reactivity: Generally no significant reaction with water, though some formulations may dissolve or hydrolyze. Recommended extinguishing: Water spray, dry chemical, CO2, or foam depending on formulation; avoid methods that create dust clouds.
ERG Guide 151 recommendation: ERG 151: Initial isolation 25m in all directions; protective action distance 100m for small spills, 300m for large spills during day, increase at night
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.