☣️ UN 0430 • CLASS 1

UN 0430 — Articles, pyrotechnic for technical purposes

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.

UN 0430 is Articles, pyrotechnic for technical purposes, a Class 1 explosive article or substance assigned to ERG Guide 112. It is primarily a fire and deflagration hazard, with heat, smoke and possible fragment projection if ignited.

Hazard overview: UN 0430 is not normally treated as a mass explosion hazard when transported as classified, but it can burn intensely and may project fragments or ignite nearby explosive, propellant or pyrotechnic materials. Smoke can contain irritating or toxic combustion products, and damaged packages may increase the hazard.

Response guidance: For a UN 0430 incident, responders should confirm the article or material using shipping papers, markings, SDS where applicable and ERG Guide 112. Isolate the area, stay upwind, avoid smoke, control ignition sources when safe and determine whether higher-hazard explosives or larger quantities are also present before committing crews.

Firefighter training notes: Training should emphasize pyrotechnic, propellant or nitrocellulose fire behavior, smoke hazards, fragment potential and the risk of escalating nearby explosive articles. Common errors include approaching through smoke, disturbing damaged packages and failing to expand isolation when fire spreads.

Regulatory context: Articles, pyrotechnic for technical purposes is regulated as a Class 1 explosive hazardous material. Transportation, storage, quantity limits, fire code controls and reporting requirements may vary by jurisdiction. Responders should verify current requirements through shipping papers, SDS or product documents and applicable DOT, ATF, OSHA, NFPA, military, state or local authority guidance.

Storage & handling: Articles, pyrotechnic for technical purposes should be stored only in approved packaging, magazines or authorized explosive storage areas, separated from ignition sources, incompatible materials and unauthorized access. Packages should be protected from heat, impact, friction, moisture where relevant and physical damage according to product documentation and applicable explosive storage regulations.

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UN 0430 Quick Details

UN 0430
Product name: Articles, pyrotechnic for technical purposes
DOT Class: 1
Placard type: Explosive 1.3G
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: isolate spill/leak area at least 500m in all directions; if fire or explosion, evacuate 1600m in all directions

Common Hazards of UN 0430

  • Fire and deflagration hazard; not normally a mass explosion hazard when transported as classified.
  • Burning material may produce intense heat, flame, sparks, smoke and localized fragment projection.
  • May ignite or initiate nearby pyrotechnic, propellant or explosive materials.
  • Smoke may contain irritating or toxic combustion products.
  • Heat, flame, sparks, impact or damaged packaging may increase the chance of ignition.
  • Fire involvement may require expanded evacuation if other explosives or large quantities are nearby.

Chemical Identity & Physical Properties

Manufactured articles containing pyrotechnic compositions designed for technical purposes such as heat generation, gas production, theatrical effects, or signaling. May be various colors and configurations depending on specific device.

Also known asPyrotechnic articlesTechnical pyrotechnic devicesIndustrial pyrotechnic articlesPyrotechnic signaling devices
AppearanceManufactured articles containing pyrotechnic compositions designed for technical purposes such as heat generation, gas production, theatrical effects, or signaling. May be various colors and configurations depending on specific device.
Flash PointNot applicable (pyrotechnic composition)
Boiling PointNot applicable (pyrotechnic composition)
Vapor DensityNot applicable (solid article)
Water ReactivityMay contain water-reactive pyrotechnic mixtures; avoid water unless manufacturer specifies otherwise
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.

Fireground Response Guidance — UN 0430

Extinguishing Media

Water spray or fog may be used for exposure cooling from a protected distance when compatible with the product and directed by incident command; avoid close-range attack.

PPE Requirements

⚠️ Structural firefighting gear with SCBA for smoke or fire exposure; maintain standoff distance and expand evacuation if other explosives are nearby.

Responders should use structural firefighting gear with SCBA for smoke or fire exposure and maintain standoff distance from burning articles or packages. PPE does not replace evacuation if additional explosives or large quantities are involved.

Isolation & Evacuation

ERG 112: isolate spill/leak area at least 500m in all directions; if fire or explosion, evacuate 1600m in all directions
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).

First Actions for a UN 0430 Incident

  • CALL 911. Then call the emergency response telephone number on the shipping paper, if available.
  • Keep unauthorized personnel away and deny entry.
  • Stage upwind and avoid smoke from burning pyrotechnic, propellant or explosive material.
  • Eliminate ignition sources if it is safe to do so.
  • Isolate the area and check for nearby explosives, ammunition, propellants or pyrotechnic articles.
  • Protect exposures only from a safe distance if directed by incident command.
  • Use ERG Guide 112, shipping papers and incident command to set isolation and evacuation distances.
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📋 Copy & Share Field Card

UN 0430 — Articles, pyrotechnic for technical purp
HAZMAT RADIO NOTE — UN 0430 Product: Articles, pyrotechnic for technical purposes Class 1 / Explosive 1.3G / ERG 112 PPE: Structural firefighting gear with SCBA for smoke or fire exposure; maintain standoff distance and expand evacuation if other explosives are nearby. ISOLATION: ERG 112: isolate spill/leak area at least 500m in all directions; if fire or explosion, evacuate 1600m 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.

SMS WhatsApp
=== IC HAZMAT BRIEFING === UN 0430 — Articles, pyrotechnic for technical purposes Class: 1 | Placard: Explosive 1.3G | ERG Guide: 112 Appearance: Manufactured articles containing pyrotechnic compositions designed for technical purposes such as heat generation, gas production, theatrical effects, or signaling. May be various colors and configurations depending on specific device. Water Reactivity: May contain water-reactive pyrotechnic mixtures; avoid water unless manufacturer specifies otherwise Extinguishing: Water spray or fog may be used for exposure cooling from a protected distance when compatible with the product and directed by incident command; avoid close-range attack. PPE: Structural firefighting gear with SCBA for smoke or fire exposure; maintain standoff distance and expand evacuation if other explosives are nearby. Isolation: ERG 112: isolate spill/leak area at least 500m in all directions; if fire or explosion, evacuate 1600m in all directions — Key Hazards — • Fire and deflagration hazard; not normally a mass explosion hazard when transported as classified. • Burning material may produce intense heat, flame, sparks, smoke and localized fragment projection. • May ignite or initiate nearby pyrotechnic, propellant or explosive materials. — First Actions — • CALL 911. Then call the emergency response telephone number on the shipping paper, if available. • Keep unauthorized personnel away and deny entry. • Stage upwind and avoid smoke from burning pyrotechnic, propellant or explosive material. • Eliminate ignition sources if it is safe to do so. SOURCE: allfirefighter.com/hazmat/un/articles-pyrotechnic-for-technical-un-0430 | Always use current ERG + SOP/SOGIC BRIEFING

Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief.

SMS (short)
UN0430 Articles, pyrotechnic for technical purposes Cls1 ERG112 | allfirefighter.com/hazmat/un/articles-pyrotechnic-for-technical-un-0430SMS / 160 CHAR

Use for: Quick text to command or incoming units. Fits in a single SMS.

⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions. Page: https://allfirefighter.com/hazmat/un/articles-pyrotechnic-for-technical-un-0430

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 0430

UN 0430 is Articles, pyrotechnic for technical purposes, a Class 1 explosive entry assigned to ERG Guide 112.

Not normally for this classification, but fire can cause intense burning, deflagration and fragment projection, especially if other explosives are nearby.

ERG Guide 112 applies to UN 0430 and should be used for initial isolation, evacuation and first response decisions.

The main hazards are blast or projection effects, fragmentation, fire involvement, heat or shock sensitivity and secondary smoke or debris hazards.

PPE depends on division, fire involvement and product condition. Structural gear with SCBA may protect from smoke or fire exposure, but distance, cover, isolation and specialist explosive support are the key controls.

Keep people away, stage upwind and outside the isolation zone, avoid moving the material, request law enforcement or EOD support when appropriate and follow ERG 112, shipping papers and incident command.
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.