☣️ UN 0376 • CLASS 1
UN 0376 — Primers, tubular
Placard: Explosive 1.4S. ERG Guide 114. 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 0376 Quick Details
UN 0376
Product name: Primers, tubular
DOT Class: 1
Placard type: Explosive 1.4S
ERG Guide: 114 (check current ERG)
Initial isolation: ERG 114: isolate 100m all directions; if fire or cargo is on fire, isolate 800m and consider evacuation for 800m in all directions
Common Hazards of UN 0376
- Minor blast or fire hazard — limited effect.
- Localized burning or deflagration possible.
- Smoke and heat from burning.
- Low mass explosion risk under normal conditions.
Chemical Identity & Physical Properties
| Also known as | Tubular primersPercussion primersPrimer assembliesIgnition primers |
| Appearance | Small tubular metal assemblies containing primary explosive compounds, typically appearing as brass or copper-colored cylindrical devices used for igniting propellant charges. |
| Flash Point | Not applicable (explosive device) |
| Boiling Point | Not applicable (explosive device) |
| Vapor Density | Not applicable (solid device) |
| Water Reactivity | No significant reaction with water, though may contain moisture-sensitive explosive compounds |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0376
Extinguishing Media
Water spray, foam, dry chemical, CO2 acceptable for small fires; avoid fighting large fires
PPE Requirements
⚠️ Level C minimum for handling; SCBA and full protective clothing required for fire conditions
Isolation & Evacuation
ERG 114: isolate 100m all directions; if fire or cargo is on fire, isolate 800m and consider evacuation for 800m in all directions
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 114).
First Actions for a UN 0376 Incident
- CALL 911. Notify law enforcement.
- Isolate area; keep unauthorized personnel away.
- Stage upwind; eliminate ignition sources.
- Request Hazmat + law enforcement.
- Consult current ERG Guide 114 and follow SOP/SOG.
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📋 Copy & Share Field Card
UN 0376 — Primers, tubularHAZMAT RADIO NOTE — UN 0376
Product: Primers, tubular
Class 1 / Explosive 1.4S / ERG 114
PPE: Level C minimum for handling; SCBA and full protective clothing required for fire conditions
ISOLATION: ERG 114: isolate 100m all directions; if fire or cargo is on fire, isolate 800m and consider evacuation for 800m 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 0376 — Primers, tubular
Class: 1 | Placard: Explosive 1.4S | ERG Guide: 114
Appearance: Small tubular metal assemblies containing primary explosive compounds, typically appearing as brass or copper-colored cylindrical devices used for igniting propellant charges.
Water Reactivity: No significant reaction with water, though may contain moisture-sensitive explosive compounds
Extinguishing: Water spray, foam, dry chemical, CO2 acceptable for small fires; avoid fighting large fires
PPE: Level C minimum for handling; SCBA and full protective clothing required for fire conditions
Isolation: ERG 114: isolate 100m all directions; if fire or cargo is on fire, isolate 800m and consider evacuation for 800m in all directions
— Key Hazards —
• Minor blast or fire hazard — limited effect.
• Localized burning or deflagration possible.
• Smoke and heat from burning.
— First Actions —
• CALL 911. Notify law enforcement.
• Isolate area; keep unauthorized personnel away.
• Stage upwind; eliminate ignition sources.
• Request Hazmat + law enforcement.
SOURCE: allfirefighter.com/hazmat/un/0376 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0376 Primers, tubular Cls1 ERG114 | ERG 114: isolate 100m all directions; if fire or cargo is on fire, isolate 800m | allfirefighter.com/hazmat/un/0376SMS / 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/0376
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 0376
Minor blast or fire hazard — limited effect. Localized burning or deflagration possible. Smoke and heat from burning. Low mass explosion risk under normal conditions.
CALL 911. Notify law enforcement. Isolate area; keep unauthorized personnel away. Stage upwind; eliminate ignition sources.
Level C minimum for handling; SCBA and full protective clothing required for fire conditions
Water reactivity: No significant reaction with water, though may contain moisture-sensitive explosive compounds. Recommended extinguishing: Water spray, foam, dry chemical, CO2 acceptable for small fires; avoid fighting large fires.
ERG Guide 114 recommendation: ERG 114: isolate 100m all directions; if fire or cargo is on fire, isolate 800m and consider evacuation for 800m in all directions
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 114 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.