☣️ UN 0065 • CLASS 1
UN 0065 — Cord, detonating (explosive)
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 0065 Quick Details
UN 0065
Product name: Cord, detonating (explosive)
DOT Class: 1
Placard type: Explosive 1.1D
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: Isolate 500m (1600 ft) in all directions; evacuate 1600m (1 mile) downwind if fire or detonation risk; treat as mass explosion hazard
Common Hazards of UN 0065
- Detonation hazard
- Fragmentation and blast overpressure
- Sensitive to heat, friction, and shock
Chemical Identity & Physical Properties
| Also known as | Detonating cordDetcordPrimacordCordtexExplosive cordDetonating fuse |
| Appearance | Flexible cord containing a core of high explosive (typically PETN). Appears as a plastic or fabric-covered flexible rope, typically white, yellow, or orange in color. Solid explosive material at room temperature. |
| Flash Point | Not applicable (explosive solid) |
| Boiling Point | Not applicable (decomposes/detonates) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water; explosive properties unaffected by moisture |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0065
Extinguishing Media
Do not use water or foam on burning explosive; use dry sand or earth from distance if safe to approach
PPE Requirements
⚠️ Level A minimum for emergency response; full structural firefighting gear with SCBA; maintain maximum safe distance; anti-static clothing required
Isolation & Evacuation
ERG 112: Isolate 500m (1600 ft) in all directions; evacuate 1600m (1 mile) downwind if fire or detonation risk; treat as mass explosion hazard
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0065 Incident
- CALL 911. Then call emergency response number on shipping paper.
- Establish large isolation zone — minimum 500 meters
- Stage upwind; limit personnel exposure
- Request Hazmat + law enforcement
- Do not approach involved containers
- Consult current ERG Guide 112 and SOP/SOG
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📋 Copy & Share Field Card
UN 0065 — Cord, detonating (explosive)HAZMAT RADIO NOTE — UN 0065
Product: Cord, detonating (explosive)
Class 1 / Explosive 1.1D / ERG 112
PPE: Level A minimum for emergency response; full structural firefighting gear with SCBA; maintain maximum safe distance; anti-static clothing required
ISOLATION: ERG 112: Isolate 500m (1600 ft) in all directions; evacuate 1600m (1 mile) downwind if fire or detonation risk; treat as 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 0065 — Cord, detonating (explosive)
Class: 1 | Placard: Explosive 1.1D | ERG Guide: 112
Appearance: Flexible cord containing a core of high explosive (typically PETN). Appears as a plastic or fabric-covered flexible rope, typically white, yellow, or orange in color. Solid explosive material at room temperature.
Water Reactivity: No significant reaction with water; explosive properties unaffected by moisture
Extinguishing: Do not use water or foam on burning explosive; use dry sand or earth from distance if safe to approach
PPE: Level A minimum for emergency response; full structural firefighting gear with SCBA; maintain maximum safe distance; anti-static clothing required
Isolation: ERG 112: Isolate 500m (1600 ft) in all directions; evacuate 1600m (1 mile) downwind if fire or detonation risk; treat as mass explosion hazard
— Key Hazards —
• Detonation hazard
• Fragmentation and blast overpressure
• Sensitive to heat, friction, and shock
— First Actions —
• CALL 911. Then call emergency response number on shipping paper.
• Establish large isolation zone — minimum 500 meters
• Stage upwind; limit personnel exposure
• Request Hazmat + law enforcement
SOURCE: allfirefighter.com/hazmat/un/0065 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0065 Cord, detonating (explosive) Cls1 ERG112 | allfirefighter.com/hazmat/un/0065SMS / 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/0065
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 0065
Detonation hazard Fragmentation and blast overpressure Sensitive to heat, friction, and shock
CALL 911. Then call emergency response number on shipping paper. Establish large isolation zone — minimum 500 meters Stage upwind; limit personnel exposure
Level A minimum for emergency response; full structural firefighting gear with SCBA; maintain maximum safe distance; anti-static clothing required
Water reactivity: No significant reaction with water; explosive properties unaffected by moisture. Recommended extinguishing: Do not use water or foam on burning explosive; use dry sand or earth from distance if safe to approach.
ERG Guide 112 recommendation: ERG 112: Isolate 500m (1600 ft) in all directions; evacuate 1600m (1 mile) downwind if fire or detonation risk; treat as 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.