☣️ UN 1364 • CLASS 4
UN 1364 — Cotton waste, oily
Placard: Spontaneously Combustible. 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 1364 Quick Details
UN 1364
Product name: Cotton waste, oily
DOT Class: 4
Placard type: Spontaneously Combustible
ERG Guide: 133 (check current ERG)
Initial isolation: ERG 133: isolate spill 25m all directions; if tank/rail car involved in fire, isolate 800m all directions
Common Hazards of UN 1364
- 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 | Oily cotton wasteOil-soaked cottonCotton rags oilyContaminated cotton waste |
| Appearance | Fibrous cotton material contaminated with oils, greases, or other flammable liquids. Appears as soiled, discolored cotton fibers or rags, typically grayish to brown. May have petroleum or oil odor. |
| Flash Point | Varies with oil content, typically below 93C (200F) depending on contaminant |
| Boiling Point | Not applicable (solid material) |
| Vapor Density | Not applicable (solid material) |
| 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 1364
Extinguishing Media
Dry chemical, CO2, water spray, foam; water may be used to cool containers
PPE Requirements
⚠️ Level D minimum for handling; Level C with SCBA if fire or heavy smoke present
Isolation & Evacuation
ERG 133: isolate spill 25m all directions; if tank/rail car involved in fire, isolate 800m all directions
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 133).
First Actions for a UN 1364 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 1364 — Cotton waste, oilyHAZMAT RADIO NOTE — UN 1364
Product: Cotton waste, oily
Class 4 / Spontaneously Combustible / ERG 133
PPE: Level D minimum for handling; Level C with SCBA if fire or heavy smoke present
ISOLATION: ERG 133: isolate spill 25m all directions; if tank/rail car involved in fire, isolate 800m 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 1364 — Cotton waste, oily
Class: 4 | Placard: Spontaneously Combustible | ERG Guide: 133
Appearance: Fibrous cotton material contaminated with oils, greases, or other flammable liquids. Appears as soiled, discolored cotton fibers or rags, typically grayish to brown. May have petroleum or oil odor.
Water Reactivity: No significant reaction with water
Extinguishing: Dry chemical, CO2, water spray, foam; water may be used to cool containers
PPE: Level D minimum for handling; Level C with SCBA if fire or heavy smoke present
Isolation: ERG 133: isolate spill 25m all directions; if tank/rail car involved in fire, isolate 800m 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/1364 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1364 Cotton waste, oily Cls4 ERG133 | ERG 133: isolate spill 25m all directions; if tank/rail car involved in fire, is | allfirefighter.com/hazmat/un/1364SMS / 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/1364
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Frequently Asked Questions about UN 1364
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 D minimum for handling; Level C with SCBA if fire or heavy smoke present
Water reactivity: No significant reaction with water. Recommended extinguishing: Dry chemical, CO2, water spray, foam; water may be used to cool containers.
ERG Guide 133 recommendation: ERG 133: isolate spill 25m all directions; if tank/rail car involved in fire, isolate 800m 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.