☣️ UN 1364 • CLASS 4

Cotton waste, oily

Placard: Spontaneously Combustible. 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 1364
Class: 4
Placard type: Spontaneously Combustible
ERG: Guide 133 (check current ERG)
Isolation: ERG 133: isolate spill 25m all directions; if tank/rail car involved in fire, isolate 800m all directions
Chemical & Response Details
Also known asOily cotton wasteOil-soaked cottonCotton rags oilyContaminated cotton waste
AppearanceFibrous 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 PointVaries with oil content, typically below 93C (200F) depending on contaminant
Boiling PointNot applicable (solid material)
Vapor DensityNot applicable (solid material)
Water ReactivityNo significant reaction with water
ExtinguishingDry 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
IsolationERG 133: isolate spill 25m all directions; if tank/rail car involved in fire, isolate 800m 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 1364 — Cotton waste, oily
HAZMAT 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.

SMS WhatsApp
=== 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.

SMS (short)
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
Related UN numbers (same class)
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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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 D minimum for handling; Level C with SCBA if fire or heavy smoke present

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.