☣️ UN 0335 • CLASS 1
UN 0335 — Fireworks
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 0335 Quick Details
UN 0335
Product name: Fireworks
DOT Class: 1
Placard type: Explosive 1.3G
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: isolate 500m all directions; if fire or cargo fire, evacuate 800m in all directions
Common Hazards of UN 0335
- 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 | PyrotechnicsPyrotechnic articlesConsumer fireworksDisplay fireworksAerial shellsRoman candles |
| Appearance | Manufactured articles containing pyrotechnic compositions in various colors and forms. Typically packaged in cardboard tubes, canisters, or other containers with fuses attached. |
| Flash Point | Not applicable (pyrotechnic composition) |
| Boiling Point | Not applicable (pyrotechnic composition) |
| Vapor Density | Not applicable (solid article) |
| Water Reactivity | Some compositions may react with water; generally stable when dry |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0335
Extinguishing Media
Water fog from distance, dry chemical, CO2; do not use direct water streams on bulk quantities
PPE Requirements
⚠️ Full protective clothing, SCBA required; maintain safe distance due to fragment projection risk
Isolation & Evacuation
ERG 112: isolate 500m all directions; if fire or cargo fire, evacuate 800m in all directions
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0335 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 0335 — FireworksHAZMAT RADIO NOTE — UN 0335
Product: Fireworks
Class 1 / Explosive 1.3G / ERG 112
PPE: Full protective clothing, SCBA required; maintain safe distance due to fragment projection risk
ISOLATION: ERG 112: isolate 500m all directions; if fire or cargo fire, evacuate 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 0335 — Fireworks
Class: 1 | Placard: Explosive 1.3G | ERG Guide: 112
Appearance: Manufactured articles containing pyrotechnic compositions in various colors and forms. Typically packaged in cardboard tubes, canisters, or other containers with fuses attached.
Water Reactivity: Some compositions may react with water; generally stable when dry
Extinguishing: Water fog from distance, dry chemical, CO2; do not use direct water streams on bulk quantities
PPE: Full protective clothing, SCBA required; maintain safe distance due to fragment projection risk
Isolation: ERG 112: isolate 500m all directions; if fire or cargo fire, evacuate 800m in all directions
— 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/0335 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0335 Fireworks Cls1 ERG112 | ERG 112: isolate 500m all directions; if fire or cargo fire, evacuate 800m in al | allfirefighter.com/hazmat/un/0335SMS / 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/0335
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 0335
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.
Full protective clothing, SCBA required; maintain safe distance due to fragment projection risk
Water reactivity: Some compositions may react with water; generally stable when dry. Recommended extinguishing: Water fog from distance, dry chemical, CO2; do not use direct water streams on bulk quantities.
ERG Guide 112 recommendation: ERG 112: isolate 500m all directions; if fire or cargo fire, evacuate 800m in all directions
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.