☣️ UN 0043 • CLASS 1
Bursters, explosive
Placard: Explosive 1.1D. 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 0043
Class: 1
Placard type: Explosive 1.1D
ERG: Guide 112 (check current ERG)
Isolation: ERG 112: isolate minimum 500m (1600 ft) all directions; evacuate 1600m (1 mile) if fire or direct involvement; mass explosion hazard demands maximum precautions
Chemical & Response Details
| Also known as | Explosive burstersDemolition burstersHigh explosive bursting chargesMilitary bursters |
| Appearance | Solid explosive devices designed to fragment or burst containers. Typically cylindrical or shaped charges containing high explosives, often tan, gray, or olive drab in color. |
| Flash Point | Not applicable (explosive solid) |
| Boiling Point | Not applicable (explosive material) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | Generally no significant reaction with water, but may contain water-reactive components depending on explosive composition |
| Extinguishing | Do not fight fire — evacuate area immediately; if must fight, use water from distance only |
| PPE | ⚠️ Full structural firefighting gear with SCBA; minimum 1000m withdrawal distance; explosives experts required for handling |
| Isolation | ERG 112: isolate minimum 500m (1600 ft) all directions; evacuate 1600m (1 mile) if fire or direct involvement; mass explosion hazard demands maximum precautions |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Mass explosion hazard — entire load may detonate simultaneously.
- Severe blast overpressure and fragmentation.
- Sensitive to heat, shock, and friction.
- Secondary fire and debris hazard.
First actions (field-minded)
- 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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UN 0043 — Bursters, explosive HAZMAT RADIO NOTE — UN 0043
Product: Bursters, explosive
Class 1 / Explosive 1.1D / ERG 112
PPE: Full structural firefighting gear with SCBA; minimum 1000m withdrawal distance; explosives experts required for handling
ISOLATION: ERG 112: isolate minimum 500m (1600 ft) all directions; evacuate 1600m (1 mile) if fire or direct involvement; mass explosion hazard demands maximum precautions
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 0043 — Bursters, explosive
Class: 1 | Placard: Explosive 1.1D | ERG Guide: 112
Appearance: Solid explosive devices designed to fragment or burst containers. Typically cylindrical or shaped charges containing high explosives, often tan, gray, or olive drab in color.
Water Reactivity: Generally no significant reaction with water, but may contain water-reactive components depending on explosive composition
Extinguishing: Do not fight fire — evacuate area immediately; if must fight, use water from distance only
PPE: Full structural firefighting gear with SCBA; minimum 1000m withdrawal distance; explosives experts required for handling
Isolation: ERG 112: isolate minimum 500m (1600 ft) all directions; evacuate 1600m (1 mile) if fire or direct involvement; mass explosion hazard demands maximum precautions
— 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/0043 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0043 Bursters, explosive Cls1 ERG112 | ERG 112: isolate minimum 500m (1600 ft) all directions; evacuate 1600m (1 mile) | allfirefighter.com/hazmat/un/0043SMS / 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/0043
Related UN numbers (same class)
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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FAQ
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.
Full structural firefighting gear with SCBA; minimum 1000m withdrawal distance; explosives experts required for handling
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.