☣️ UN 1324 • CLASS 4
Films, nitrocellulose base
Placard: Flammable Solid. 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 1324
Class: 4
Placard type: Flammable Solid
ERG: Guide 133 (check current ERG)
Isolation: ERG 133: isolate 25m in all directions; for large fire isolate 800m in all directions
Chemical & Response Details
| 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 |
| 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 |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- 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.
First actions (field-minded)
- 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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UN 1324 — Films, nitrocellulose base HAZMAT 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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FAQ
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
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.