☣️ UN 0319 • CLASS 1
UN 0319 — Primers, tubular
Placard: Explosive 1.3G. 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 0319 Quick Details
UN 0319
Product name: Primers, tubular
DOT Class: 1
Placard type: Explosive 1.3G
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: isolate 500m in all directions; if fire or explosion involved, evacuate 1600m radius; approach from upwind and uphill positions
Common Hazards of UN 0319
- Fire and burning hazard — not mass explosion.
- Intense heat and possible fragment projection.
- May deflagrate and initiate other materials.
- Smoke and toxic combustion products.
Chemical Identity & Physical Properties
| Also known as | Tubular primersPercussion primersIgnition primersSmall arms primers |
| Appearance | Small metallic cylindrical devices containing impact-sensitive explosive composition, typically brass or copper colored casings filled with primary explosive mixture. |
| Flash Point | Not applicable (explosive article) |
| Boiling Point | Not applicable (explosive article) |
| Vapor Density | Not applicable (solid article) |
| Water Reactivity | No significant reaction with water, but keep dry to prevent degradation of explosive composition |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0319
Extinguishing Media
Do not use water or foam; use dry chemical, sand, or earth to smother fires
PPE Requirements
⚠️ Level B minimum with blast-resistant clothing; full structural firefighting gear with SCBA; maintain maximum distance during incident response
Isolation & Evacuation
ERG 112: isolate 500m in all directions; if fire or explosion involved, evacuate 1600m radius; approach from upwind and uphill positions
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0319 Incident
- CALL 911. Then call emergency response telephone number on shipping paper.
- Isolate area; stage upwind — fire and fragment hazard.
- Request Hazmat + law enforcement.
- Control ignition sources; deny entry.
- Consult current ERG Guide 112 and follow SOP/SOG.
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📋 Copy & Share Field Card
UN 0319 — Primers, tubularHAZMAT RADIO NOTE — UN 0319
Product: Primers, tubular
Class 1 / Explosive 1.3G / ERG 112
PPE: Level B minimum with blast-resistant clothing; full structural firefighting gear with SCBA; maintain maximum distance during incident response
ISOLATION: ERG 112: isolate 500m in all directions; if fire or explosion involved, evacuate 1600m radius; approach from upwind and uphill positions
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 0319 — Primers, tubular
Class: 1 | Placard: Explosive 1.3G | ERG Guide: 112
Appearance: Small metallic cylindrical devices containing impact-sensitive explosive composition, typically brass or copper colored casings filled with primary explosive mixture.
Water Reactivity: No significant reaction with water, but keep dry to prevent degradation of explosive composition
Extinguishing: Do not use water or foam; use dry chemical, sand, or earth to smother fires
PPE: Level B minimum with blast-resistant clothing; full structural firefighting gear with SCBA; maintain maximum distance during incident response
Isolation: ERG 112: isolate 500m in all directions; if fire or explosion involved, evacuate 1600m radius; approach from upwind and uphill positions
— Key Hazards —
• Fire and burning hazard — not mass explosion.
• Intense heat and possible fragment projection.
• May deflagrate and initiate other materials.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper.
• Isolate area; stage upwind — fire and fragment hazard.
• Request Hazmat + law enforcement.
• Control ignition sources; deny entry.
SOURCE: allfirefighter.com/hazmat/un/0319 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0319 Primers, tubular Cls1 ERG112 | ERG 112: isolate 500m in all directions; if fire or explosion involved, evacuate | allfirefighter.com/hazmat/un/0319SMS / 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/0319
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 0319
Fire and burning hazard — not mass explosion. Intense heat and possible fragment projection. May deflagrate and initiate other materials. Smoke and toxic combustion products.
CALL 911. Then call emergency response telephone number on shipping paper. Isolate area; stage upwind — fire and fragment hazard. Request Hazmat + law enforcement.
Level B minimum with blast-resistant clothing; full structural firefighting gear with SCBA; maintain maximum distance during incident response
Water reactivity: No significant reaction with water, but keep dry to prevent degradation of explosive composition. Recommended extinguishing: Do not use water or foam; use dry chemical, sand, or earth to smother fires.
ERG Guide 112 recommendation: ERG 112: isolate 500m in all directions; if fire or explosion involved, evacuate 1600m radius; approach from upwind and uphill positions
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.