☣️ UN 0429 • CLASS 1
Articles, pyrotechnic for technical purposes
Placard: Explosive 1.2G. 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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Quick details
UN 0429
Class: 1
Placard type: Explosive 1.2G
ERG: Guide 112 (check current ERG)
Isolation: ERG 112: isolate 500m in all directions; if fire or projection hazard, evacuate 1600m radius; handle only trained personnel
Chemical & Response Details
| Also known as | Pyrotechnic articlesFirework devicesTechnical pyrotechnicsExplosive articles |
| Appearance | Manufactured articles containing pyrotechnic substances designed for technical applications. Solid devices of various sizes and configurations, often containing metal powders and oxidizers. |
| Flash Point | Not applicable (explosive article) |
| Boiling Point | Not applicable (explosive article) |
| Vapor Density | Not applicable (solid article) |
| Water Reactivity | May contain water-reactive components; avoid water unless manufacturer specifies otherwise |
| Extinguishing | Do not use water or foam; use dry chemical, sand, or earth from distance |
| PPE | ⚠️ Level B minimum with full face SCBA; structural firefighter gear inadequate; withdraw to safe distance if involved in fire |
| Isolation | ERG 112: isolate 500m in all directions; if fire or projection hazard, evacuate 1600m radius; handle only trained personnel |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Projection and fragmentation hazard on initiation.
- Blast overpressure in immediate area.
- Sensitive to heat, shock, or electrical current.
- May initiate other explosives in proximity.
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper.
- Isolate minimum 500 meters; stage upwind and uphill.
- Request Hazmat + law enforcement immediately.
- Control ignition sources; deny unauthorized entry.
- Do not approach — projectile/fragmentation hazard.
- Consult current ERG Guide 112 and follow SOP/SOG.
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UN 0429 — Articles, pyrotechnic for technical purp HAZMAT RADIO NOTE — UN 0429
Product: Articles, pyrotechnic for technical purposes
Class 1 / Explosive 1.2G / ERG 112
PPE: Level B minimum with full face SCBA; structural firefighter gear inadequate; withdraw to safe distance if involved in fire
ISOLATION: ERG 112: isolate 500m in all directions; if fire or projection hazard, evacuate 1600m radius; handle only trained personnel
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 0429 — Articles, pyrotechnic for technical purposes
Class: 1 | Placard: Explosive 1.2G | ERG Guide: 112
Appearance: Manufactured articles containing pyrotechnic substances designed for technical applications. Solid devices of various sizes and configurations, often containing metal powders and oxidizers.
Water Reactivity: May contain water-reactive components; avoid water unless manufacturer specifies otherwise
Extinguishing: Do not use water or foam; use dry chemical, sand, or earth from distance
PPE: Level B minimum with full face SCBA; structural firefighter gear inadequate; withdraw to safe distance if involved in fire
Isolation: ERG 112: isolate 500m in all directions; if fire or projection hazard, evacuate 1600m radius; handle only trained personnel
— Key Hazards —
• Projection and fragmentation hazard on initiation.
• Blast overpressure in immediate area.
• Sensitive to heat, shock, or electrical current.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper.
• Isolate minimum 500 meters; stage upwind and uphill.
• Request Hazmat + law enforcement immediately.
• Control ignition sources; deny unauthorized entry.
SOURCE: allfirefighter.com/hazmat/un/0429 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0429 Articles, pyrotechnic for technical purposes Cls1 ERG112 | allfirefighter.com/hazmat/un/0429SMS / 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/0429
Related UN numbers (same class)
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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FAQ
Projection and fragmentation hazard on initiation. Blast overpressure in immediate area. Sensitive to heat, shock, or electrical current. May initiate other explosives in proximity.
CALL 911. Then call emergency response telephone number on shipping paper. Isolate minimum 500 meters; stage upwind and uphill. Request Hazmat + law enforcement immediately.
Level B minimum with full face SCBA; structural firefighter gear inadequate; withdraw to safe distance if involved in fire
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.