☣️ UN 1365 • CLASS 9
Cotton, wet
Placard: Miscellaneous. 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 1365
Class: 9
Placard type: Miscellaneous
ERG: Guide 133 (check current ERG)
Isolation: ERG 133: Small spill isolate 25m all directions; large spill isolate 50m all directions; fire isolate 800m and consider evacuation
Chemical & Response Details
| Also known as | Wet cottonCotton waste wetMoist cotton fibersCotton linters wet |
| Appearance | White to off-white fibrous material consisting of cellulose fibers saturated with water. Wet cotton has little to no odor in its damp state. |
| Flash Point | Not applicable (requires drying to become flammable) |
| Boiling Point | Not applicable (decomposes upon heating) |
| Vapor Density | Not applicable (solid material) |
| Water Reactivity | No significant reaction; material is already wet |
| Extinguishing | Water spray, foam, dry chemical, CO2 suitable once material dries or catches fire |
| PPE | ⚠️ Level D minimum for handling wet material; upgrade to Level C with SCBA if fire develops or material begins to dry and smolder |
| Isolation | ERG 133: Small spill isolate 25m all directions; large spill isolate 50m all directions; fire isolate 800m and consider evacuation |
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 1365 — Cotton, wet HAZMAT RADIO NOTE — UN 1365
Product: Cotton, wet
Class 9 / Miscellaneous / ERG 133
PPE: Level D minimum for handling wet material; upgrade to Level C with SCBA if fire develops or material begins to dry and smolder
ISOLATION: ERG 133: Small spill isolate 25m all directions; large spill isolate 50m all directions; fire isolate 800m and consider evacuation
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 1365 — Cotton, wet
Class: 9 | Placard: Miscellaneous | ERG Guide: 133
Appearance: White to off-white fibrous material consisting of cellulose fibers saturated with water. Wet cotton has little to no odor in its damp state.
Water Reactivity: No significant reaction; material is already wet
Extinguishing: Water spray, foam, dry chemical, CO2 suitable once material dries or catches fire
PPE: Level D minimum for handling wet material; upgrade to Level C with SCBA if fire develops or material begins to dry and smolder
Isolation: ERG 133: Small spill isolate 25m all directions; large spill isolate 50m all directions; fire isolate 800m and consider evacuation
— 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/1365 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1365 Cotton, wet Cls9 ERG133 | ERG 133: Small spill isolate 25m all directions; large spill isolate 50m all dir | allfirefighter.com/hazmat/un/1365SMS / 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/1365
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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 wet material; upgrade to Level C with SCBA if fire develops or material begins to dry and smolder
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.