☣️ UN 0439 • CLASS 1
Charges, shaped, without detonator
Placard: Explosive 1.2D. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
🚒☣️
⚠️ 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 0439
Class: 1
Placard type: Explosive 1.2D
ERG: Guide 112 (check current ERG)
Isolation: ERG 112: Isolate 500m (1600 ft) in all directions. If fire or explosion involved, evacuate 1600m (1 mile) radius. Fragmentation hazard extends beyond visible blast area
Chemical & Response Details
| Also known as | Shaped chargesHollow chargesMunroe effect devicesLiner chargesPrecision demolition charges |
| Appearance | Metallic conical or cylindrical explosive devices with a shaped cavity lined with metal (typically copper). Solid manufactured munitions designed to create a focused jet upon detonation. |
| Flash Point | Not applicable (explosive solid) |
| Boiling Point | Not applicable (explosive solid) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water, but water should not be used for firefighting due to explosive nature |
| Extinguishing | Do not fight fire — evacuate immediately. If fire must be fought remotely, water may be used from maximum distance |
| PPE | ⚠️ Evacuation is primary response. If emergency response required: full structural firefighting gear with SCBA, approach only from protected position at maximum distance |
| Isolation | ERG 112: Isolate 500m (1600 ft) in all directions. If fire or explosion involved, evacuate 1600m (1 mile) radius. Fragmentation hazard extends beyond visible blast area |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Projection and fragmentation hazard on initiation.
- Blast overpressure in immediate area.
- Sensitive to heat, shock, or electrical current.
- May initiate other explosives in proximity.
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper.
- Isolate minimum 500 meters; stage upwind and uphill.
- Request Hazmat + law enforcement immediately.
- Control ignition sources; deny unauthorized entry.
- Do not approach — projectile/fragmentation hazard.
- Consult current ERG Guide 112 and follow SOP/SOG.
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UN 0439 — Charges, shaped, without detonator HAZMAT RADIO NOTE — UN 0439
Product: Charges, shaped, without detonator
Class 1 / Explosive 1.2D / ERG 112
PPE: Evacuation is primary response. If emergency response required: full structural firefighting gear with SCBA, approach only from protected position at maximum distance
ISOLATION: ERG 112: Isolate 500m (1600 ft) in all directions. If fire or explosion involved, evacuate 1600m (1 mile) radius. Fragmentation hazard extends beyond visible blast area
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 0439 — Charges, shaped, without detonator
Class: 1 | Placard: Explosive 1.2D | ERG Guide: 112
Appearance: Metallic conical or cylindrical explosive devices with a shaped cavity lined with metal (typically copper). Solid manufactured munitions designed to create a focused jet upon detonation.
Water Reactivity: No significant reaction with water, but water should not be used for firefighting due to explosive nature
Extinguishing: Do not fight fire — evacuate immediately. If fire must be fought remotely, water may be used from maximum distance
PPE: Evacuation is primary response. If emergency response required: full structural firefighting gear with SCBA, approach only from protected position at maximum distance
Isolation: ERG 112: Isolate 500m (1600 ft) in all directions. If fire or explosion involved, evacuate 1600m (1 mile) radius. Fragmentation hazard extends beyond visible blast area
— Key Hazards —
• Projection and fragmentation hazard on initiation.
• Blast overpressure in immediate area.
• Sensitive to heat, shock, or electrical current.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper.
• Isolate minimum 500 meters; stage upwind and uphill.
• Request Hazmat + law enforcement immediately.
• Control ignition sources; deny unauthorized entry.
SOURCE: allfirefighter.com/hazmat/un/0439 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0439 Charges, shaped, without detonator Cls1 ERG112 | allfirefighter.com/hazmat/un/0439SMS / 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/0439
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
Projection and fragmentation hazard on initiation. Blast overpressure in immediate area. Sensitive to heat, shock, or electrical current. May initiate other explosives in proximity.
CALL 911. Then call emergency response telephone number on shipping paper. Isolate minimum 500 meters; stage upwind and uphill. Request Hazmat + law enforcement immediately.
Evacuation is primary response. If emergency response required: full structural firefighting gear with SCBA, approach only from protected position at maximum distance
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.