☣️ UN 1324 • CLASS 4
UN 1324 — Films, nitrocellulose base
Placard: Flammable Solid. ERG Guide 133. 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 1324 Quick Details
UN 1324
Product name: Films, nitrocellulose base
DOT Class: 4
Placard type: Flammable Solid
ERG Guide: 133 (check current ERG)
Initial isolation: ERG 133: isolate 25m in all directions; for large fire isolate 800m in all directions
Common Hazards of UN 1324
- Flammable/combustible material.
- May be ignited by friction, heat, sparks or flames.
- Some may burn rapidly with flare-burning effect.
- Powders, dusts, shavings, borings, turnings or cuttings may explode or burn with explosive violence.
- Substance may be transported in a molten form at a temperature that may be above its flash point.
- May re-ignite after fire is extinguished.
- Fire may produce irritating and/or toxic gases.
- Contact may cause burns to skin and eyes.
Chemical Identity & Physical Properties
| Also known as | Nitrocellulose filmCellulose nitrate filmMotion picture film (nitrate base)X-ray film (nitrate base)Pyroxylin film |
| Appearance | Solid film material, typically clear to amber colored with a characteristic camphor-like odor. Highly flammable solid at room temperature consisting of cellulose nitrate polymer base. |
| Flash Point | Not applicable (flammable solid) |
| Boiling Point | Not applicable (decomposes before boiling) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 1324
Extinguishing Media
Water spray or fog preferred; foam, dry chemical, CO2 also effective
PPE Requirements
⚠️ Level B minimum; SCBA required; face shield and flame-resistant clothing recommended
Isolation & Evacuation
ERG 133: isolate 25m in all directions; for large fire isolate 800m in all directions
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 133).
First Actions for a UN 1324 Incident
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- Isolate spill or leak area for at least 25 meters (75 feet) in all directions.
- Consider initial downwind evacuation for at least 100 meters (330 feet).
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📋 Copy & Share Field Card
UN 1324 — Films, nitrocellulose baseHAZMAT RADIO NOTE — UN 1324
Product: Films, nitrocellulose base
Class 4 / Flammable Solid / ERG 133
PPE: Level B minimum; SCBA required; face shield and flame-resistant clothing recommended
ISOLATION: ERG 133: isolate 25m in all directions; for large fire isolate 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 1324 — Films, nitrocellulose base
Class: 4 | Placard: Flammable Solid | ERG Guide: 133
Appearance: Solid film material, typically clear to amber colored with a characteristic camphor-like odor. Highly flammable solid at room temperature consisting of cellulose nitrate polymer base.
Water Reactivity: No significant reaction with water
Extinguishing: Water spray or fog preferred; foam, dry chemical, CO2 also effective
PPE: Level B minimum; SCBA required; face shield and flame-resistant clothing recommended
Isolation: ERG 133: isolate 25m in all directions; for large fire isolate 800m in all directions
— Key Hazards —
• Flammable/combustible material.
• May be ignited by friction, heat, sparks or flames.
• Some may burn rapidly with flare-burning effect.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
• Keep unauthorized personnel away.
• Stay upwind, uphill and/or upstream.
• Isolate spill or leak area for at least 25 meters (75 feet) in all directions.
SOURCE: allfirefighter.com/hazmat/un/1324 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1324 Films, nitrocellulose base Cls4 ERG133 | allfirefighter.com/hazmat/un/1324SMS / 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/1324
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Frequently Asked Questions about UN 1324
Flammable/combustible material. May be ignited by friction, heat, sparks or flames. Some may burn rapidly with flare-burning effect. Powders, dusts, shavings, borings, turnings or cuttings may explode or burn with explosive violence. Substance may be transported in a molten form at a temperature that may be above its flash point. May re-ignite after fire is extinguished. Fire may produce irritating and/or toxic gases. Contact may cause burns to skin and eyes.
CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper Keep unauthorized personnel away. Stay upwind, uphill and/or upstream.
Level B minimum; SCBA required; face shield and flame-resistant clothing recommended
Water reactivity: No significant reaction with water. Recommended extinguishing: Water spray or fog preferred; foam, dry chemical, CO2 also effective.
ERG Guide 133 recommendation: ERG 133: isolate 25m in all directions; for large fire isolate 800m in all directions
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 133 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.