☣️ UN 0502 • CLASS 1
Rockets, with inert head
Placard: Explosive 1.3C. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
🚒☣️
⚠️ 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 0502
Class: 1
Placard type: Explosive 1.3C
ERG: Guide 112 (check current ERG)
Isolation: ERG 112: isolate 500m (1600 ft) all directions; evacuate 1600m (1 mile) if fire involved; watch for projectile hazard
Chemical & Response Details
| Also known as | Inert-head rocketsPractice rocketsTraining rocketsNon-explosive head rockets |
| Appearance | Solid rocket motors with inert (non-explosive) warheads; typically cylindrical metal casings containing solid propellant; may vary in size from small practice rounds to large training missiles. |
| Flash Point | Not applicable (explosive/pyrotechnic composition) |
| Boiling Point | Not applicable (solid propellant composition) |
| Vapor Density | Not applicable (solid article) |
| Water Reactivity | Propellant may be water-reactive depending on composition; do not use water directly on burning rockets |
| Extinguishing | Dry chemical, CO2, sand, or dry powder; water from distance for cooling adjacent structures only |
| PPE | ⚠️ Level B minimum; SCBA required; full protective clothing; fragment protection recommended; maintain safe distance |
| Isolation | ERG 112: isolate 500m (1600 ft) all directions; evacuate 1600m (1 mile) if fire involved; watch for projectile hazard |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Fire and burning hazard — not mass explosion.
- Intense heat and possible fragment projection.
- May deflagrate and initiate other materials.
- Smoke and toxic combustion products.
First actions (field-minded)
- 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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UN 0502 — Rockets, with inert head HAZMAT RADIO NOTE — UN 0502
Product: Rockets, with inert head
Class 1 / Explosive 1.3C / ERG 112
PPE: Level B minimum; SCBA required; full protective clothing; fragment protection recommended; maintain safe distance
ISOLATION: ERG 112: isolate 500m (1600 ft) all directions; evacuate 1600m (1 mile) if fire involved; watch for projectile 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 0502 — Rockets, with inert head
Class: 1 | Placard: Explosive 1.3C | ERG Guide: 112
Appearance: Solid rocket motors with inert (non-explosive) warheads; typically cylindrical metal casings containing solid propellant; may vary in size from small practice rounds to large training missiles.
Water Reactivity: Propellant may be water-reactive depending on composition; do not use water directly on burning rockets
Extinguishing: Dry chemical, CO2, sand, or dry powder; water from distance for cooling adjacent structures only
PPE: Level B minimum; SCBA required; full protective clothing; fragment protection recommended; maintain safe distance
Isolation: ERG 112: isolate 500m (1600 ft) all directions; evacuate 1600m (1 mile) if fire involved; watch for projectile hazard
— 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/0502 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0502 Rockets, with inert head Cls1 ERG112 | allfirefighter.com/hazmat/un/0502SMS / 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/0502
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
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; SCBA required; full protective clothing; fragment protection recommended; maintain safe distance
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.