☣️ UN 0225 • CLASS 1
UN 0225 — Boosters with detonator
Placard: Explosive 1.1B. ERG Guide 112. 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 0225 Quick Details
UN 0225
Product name: Boosters with detonator
DOT Class: 1
Placard type: Explosive 1.1B
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: Isolate 800m (1/2 mile) all directions; evacuate area and deny entry; if fire or large spill, consider initial evacuation 1600m (1 mile) in all directions
Common Hazards of UN 0225
- Mass explosion hazard — entire load may detonate simultaneously.
- Severe blast overpressure and fragmentation.
- Sensitive to heat, shock, and friction.
- Secondary fire and debris hazard.
Chemical Identity & Physical Properties
| Also known as | Explosive boostersBooster charges with detonatorPrimed booster explosivesDetonator-equipped boosters |
| Appearance | Solid explosive charges integrated with detonating devices, typically cylindrical or block-shaped, various colors depending on composition, no odor unless damaged. |
| Flash Point | Not applicable (explosive solid) |
| Boiling Point | Not applicable (decomposes violently) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | Generally stable in water but sensitive to shock; water application may not prevent detonation |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0225
Extinguishing Media
Do not fight fire — evacuate immediately; no suppression agents effective once initiated
PPE Requirements
⚠️ Approach only if absolutely necessary with full protective equipment; maintain maximum safe distance; SCBA required if fire involvement
Isolation & Evacuation
ERG 112: Isolate 800m (1/2 mile) all directions; evacuate area and deny entry; if fire or large spill, consider initial evacuation 1600m (1 mile) in all directions
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0225 Incident
- CALL 911. Then call emergency response telephone number on shipping paper.
- Establish large isolation zone — minimum 500 meters in all directions.
- Stage upwind, uphill; limit personnel to essential responders only.
- Request Hazmat + law enforcement + additional resources immediately.
- Do not fight fire — evacuate and isolate; let burn if no life safety risk.
- Protect exposures only if safe and directed by command.
- Consult current ERG Guide 112 and follow SOP/SOG.
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📋 Copy & Share Field Card
UN 0225 — Boosters with detonatorHAZMAT RADIO NOTE — UN 0225
Product: Boosters with detonator
Class 1 / Explosive 1.1B / ERG 112
PPE: Approach only if absolutely necessary with full protective equipment; maintain maximum safe distance; SCBA required if fire involvement
ISOLATION: ERG 112: Isolate 800m (1/2 mile) all directions; evacuate area and deny entry; if fire or large spill, consider initial evacuation 1600m (1 mile) in 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 0225 — Boosters with detonator
Class: 1 | Placard: Explosive 1.1B | ERG Guide: 112
Appearance: Solid explosive charges integrated with detonating devices, typically cylindrical or block-shaped, various colors depending on composition, no odor unless damaged.
Water Reactivity: Generally stable in water but sensitive to shock; water application may not prevent detonation
Extinguishing: Do not fight fire — evacuate immediately; no suppression agents effective once initiated
PPE: Approach only if absolutely necessary with full protective equipment; maintain maximum safe distance; SCBA required if fire involvement
Isolation: ERG 112: Isolate 800m (1/2 mile) all directions; evacuate area and deny entry; if fire or large spill, consider initial evacuation 1600m (1 mile) in all directions
— Key Hazards —
• Mass explosion hazard — entire load may detonate simultaneously.
• Severe blast overpressure and fragmentation.
• Sensitive to heat, shock, and friction.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper.
• Establish large isolation zone — minimum 500 meters in all directions.
• Stage upwind, uphill; limit personnel to essential responders only.
• Request Hazmat + law enforcement + additional resources immediately.
SOURCE: allfirefighter.com/hazmat/un/0225 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0225 Boosters with detonator Cls1 ERG112 | allfirefighter.com/hazmat/un/0225SMS / 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/0225
Related UN Numbers in Class 1
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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Frequently Asked Questions about UN 0225
Mass explosion hazard — entire load may detonate simultaneously. Severe blast overpressure and fragmentation. Sensitive to heat, shock, and friction. Secondary fire and debris hazard.
CALL 911. Then call emergency response telephone number on shipping paper. Establish large isolation zone — minimum 500 meters in all directions. Stage upwind, uphill; limit personnel to essential responders only.
Approach only if absolutely necessary with full protective equipment; maintain maximum safe distance; SCBA required if fire involvement
Water reactivity: Generally stable in water but sensitive to shock; water application may not prevent detonation. Recommended extinguishing: Do not fight fire — evacuate immediately; no suppression agents effective once initiated.
ERG Guide 112 recommendation: ERG 112: Isolate 800m (1/2 mile) all directions; evacuate area and deny entry; if fire or large spill, consider initial evacuation 1600m (1 mile) in all directions
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 112 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.