☣️ UN 0058 • CLASS 1
UN 0058 — Charges, shaped, without detonator
Placard: Explosive 1.1D. 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 0058 Quick Details
UN 0058
Product name: Charges, shaped, without detonator
DOT Class: 1
Placard type: Explosive 1.1D
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: Isolate 800m in all directions. Evacuate 1600m in all directions if fire is present. Mass explosion hazard.
Common Hazards of UN 0058
- 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 | Shaped chargesHollow chargesConical chargesLinear shaped chargesJet-forming charges |
| Appearance | Metallic or composite device with conical or linear cavity lined with metal (typically copper), packed with high explosive. Solid at room temperature, typically gray or tan in color. |
| 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 on fires involving explosives |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0058
Extinguishing Media
Do not fight fire; evacuate immediately. If absolutely necessary, use water from distance only.
PPE Requirements
⚠️ Full structural firefighting gear with SCBA; withdraw immediately if fire involves explosives. Minimum safe distance 800m.
Isolation & Evacuation
ERG 112: Isolate 800m in all directions. Evacuate 1600m in all directions if fire is present. Mass explosion hazard.
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0058 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 0058 — Charges, shaped, without detonatorHAZMAT RADIO NOTE — UN 0058
Product: Charges, shaped, without detonator
Class 1 / Explosive 1.1D / ERG 112
PPE: Full structural firefighting gear with SCBA; withdraw immediately if fire involves explosives. Minimum safe distance 800m.
ISOLATION: ERG 112: Isolate 800m in all directions. Evacuate 1600m in all directions if fire is present. Mass explosion hazard.
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 0058 — Charges, shaped, without detonator
Class: 1 | Placard: Explosive 1.1D | ERG Guide: 112
Appearance: Metallic or composite device with conical or linear cavity lined with metal (typically copper), packed with high explosive. Solid at room temperature, typically gray or tan in color.
Water Reactivity: No significant reaction with water, but water should not be used on fires involving explosives
Extinguishing: Do not fight fire; evacuate immediately. If absolutely necessary, use water from distance only.
PPE: Full structural firefighting gear with SCBA; withdraw immediately if fire involves explosives. Minimum safe distance 800m.
Isolation: ERG 112: Isolate 800m in all directions. Evacuate 1600m in all directions if fire is present. Mass explosion hazard.
— 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/0058 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0058 Charges, shaped, without detonator Cls1 ERG112 | allfirefighter.com/hazmat/un/0058SMS / 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/0058
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 0058
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; withdraw immediately if fire involves explosives. Minimum safe distance 800m.
Water reactivity: No significant reaction with water, but water should not be used on fires involving explosives. Recommended extinguishing: Do not fight fire; evacuate immediately. If absolutely necessary, use water from distance only..
ERG Guide 112 recommendation: ERG 112: Isolate 800m in all directions. Evacuate 1600m in all directions if fire is present. Mass explosion hazard.
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.