☣️ UN 0325 • CLASS 1
UN 0325 — Igniters
Placard: Explosive 1.4G. 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 0325 Quick Details
UN 0325
Product name: Igniters
DOT Class: 1
Placard type: Explosive 1.4G
ERG Guide: 114 (check current ERG)
Initial isolation: ERG 114: isolate 100m all directions; if fire or cargo involved, isolate 800m all directions and consider evacuation for 800m
Common Hazards of UN 0325
- 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 | Igniter assembliesIgnition devicesPyrotechnic ignitersExplosive igniters |
| Appearance | Small devices containing pyrotechnic compositions, typically metal or plastic casings with initiating elements. May contain powder or solid propellant material designed to initiate combustion. |
| Flash Point | Not applicable (explosive article) |
| Boiling Point | Not applicable (explosive article) |
| Vapor Density | Not applicable (solid article) |
| Water Reactivity | Minimal reaction with water; may lose effectiveness if wetted |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0325
Extinguishing Media
Water spray from distance, dry chemical, CO2; avoid direct water application to prevent scatter
PPE Requirements
⚠️ Level B minimum; SCBA required; structural firefighting gear with full face protection; maintain safe distance from burning devices
Isolation & Evacuation
ERG 114: isolate 100m all directions; if fire or cargo involved, isolate 800m all directions and consider evacuation for 800m
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 114).
First Actions for a UN 0325 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 0325 — IgnitersHAZMAT RADIO NOTE — UN 0325
Product: Igniters
Class 1 / Explosive 1.4G / ERG 114
PPE: Level B minimum; SCBA required; structural firefighting gear with full face protection; maintain safe distance from burning devices
ISOLATION: ERG 114: isolate 100m all directions; if fire or cargo involved, isolate 800m all directions and consider evacuation for 800m
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 0325 — Igniters
Class: 1 | Placard: Explosive 1.4G | ERG Guide: 114
Appearance: Small devices containing pyrotechnic compositions, typically metal or plastic casings with initiating elements. May contain powder or solid propellant material designed to initiate combustion.
Water Reactivity: Minimal reaction with water; may lose effectiveness if wetted
Extinguishing: Water spray from distance, dry chemical, CO2; avoid direct water application to prevent scatter
PPE: Level B minimum; SCBA required; structural firefighting gear with full face protection; maintain safe distance from burning devices
Isolation: ERG 114: isolate 100m all directions; if fire or cargo involved, isolate 800m all directions and consider evacuation for 800m
— 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/0325 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0325 Igniters Cls1 ERG114 | ERG 114: isolate 100m all directions; if fire or cargo involved, isolate 800m al | allfirefighter.com/hazmat/un/0325SMS / 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/0325
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 0325
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 B minimum; SCBA required; structural firefighting gear with full face protection; maintain safe distance from burning devices
Water reactivity: Minimal reaction with water; may lose effectiveness if wetted. Recommended extinguishing: Water spray from distance, dry chemical, CO2; avoid direct water application to prevent scatter.
ERG Guide 114 recommendation: ERG 114: isolate 100m all directions; if fire or cargo involved, isolate 800m all directions and consider evacuation for 800m
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.