☣️ UN 3444 • CLASS 6
Nicotine hydrochloride, solid
Placard: Toxic. 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 3444
Class: 6
Placard type: Toxic
ERG: Guide 151 (check current ERG)
Isolation: ERG 151: Isolate spill area immediate 25m in all directions. For large spill, isolate 50m and evacuate downwind 300m. Avoid contact with liquid or solid.
Chemical & Response Details
| Also known as | Nicotine HClNicotinium chloride3-(1-Methylpyrrolidin-2-yl)pyridine hydrochlorideNicotine monohydrochloride |
| CAS Number | 2820-51-1 |
| Appearance | White to off-white or light tan crystalline solid. Odorless to faint tobacco-like odor. Hygroscopic (absorbs moisture from air). |
| Flash Point | Not applicable (solid) |
| Boiling Point | Not applicable (decomposes before boiling) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | Soluble in water, no violent reaction. Aqueous solutions are acidic. |
| Extinguishing | Water spray, dry chemical, CO2, or foam suitable for ordinary combustibles |
| PPE | ⚠️ Level B minimum required. SCBA with full facepiece in positive pressure mode. Chemical-resistant gloves (nitrile, neoprene) and suit. Extreme skin absorption hazard - prevent any contact. |
| Isolation | ERG 151: Isolate spill area immediate 25m in all directions. For large spill, isolate 50m and evacuate downwind 300m. Avoid contact with liquid or solid. |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
- Avoid any skin contact.
- Fire may produce irritating, corrosive and/or toxic gases.
- Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental
- Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive
- Containers may explode when heated.
- Runoff may pollute waterways.
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 in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
- For highlighted materials: see Table 1 - Initial Isolation and Protective Action Distances.
- For non-highlighted materials: increase the immediate precautionary measure distance, in the downwind
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UN 3444 — Nicotine hydrochloride, solid HAZMAT RADIO NOTE — UN 3444
Product: Nicotine hydrochloride, solid
Class 6 / Toxic / ERG 151
PPE: Level B minimum required. SCBA with full facepiece in positive pressure mode. Chemical-resistant gloves (nitrile, neoprene) and suit. Extreme skin absorption hazard - prevent any contact.
ISOLATION: ERG 151: Isolate spill area immediate 25m in all directions. For large spill, isolate 50m and evacuate downwind 300m. Avoid contact with liquid or solid.
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 3444 — Nicotine hydrochloride, solid
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: White to off-white or light tan crystalline solid. Odorless to faint tobacco-like odor. Hygroscopic (absorbs moisture from air).
Water Reactivity: Soluble in water, no violent reaction. Aqueous solutions are acidic.
Extinguishing: Water spray, dry chemical, CO2, or foam suitable for ordinary combustibles
PPE: Level B minimum required. SCBA with full facepiece in positive pressure mode. Chemical-resistant gloves (nitrile, neoprene) and suit. Extreme skin absorption hazard - prevent any contact.
Isolation: ERG 151: Isolate spill area immediate 25m in all directions. For large spill, isolate 50m and evacuate downwind 300m. Avoid contact with liquid or solid.
— Key Hazards —
• Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
• Avoid any skin contact.
• Fire may produce irritating, corrosive and/or toxic gases.
— 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 in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
SOURCE: allfirefighter.com/hazmat/un/3444 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN3444 Nicotine hydrochloride, solid Cls6 ERG151 | allfirefighter.com/hazmat/un/3444SMS / 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/3444
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FAQ
Highly toxic, may be fatal if inhaled, ingested or absorbed through skin. Avoid any skin contact. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause environmental Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive Containers may explode when heated. Runoff may pollute waterways.
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 required. SCBA with full facepiece in positive pressure mode. Chemical-resistant gloves (nitrile, neoprene) and suit. Extreme skin absorption hazard - prevent any contact.
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 151 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.