☣️ UN 3445 • CLASS 6
Nicotine sulphate, 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 3445
Class: 6
Placard type: Toxic
ERG: Guide 151 (check current ERG)
Isolation: ERG 151: isolate spill 25m all directions; isolate fire 800m all directions; consider evacuation 800m downwind if large spill or fire
Chemical & Response Details
| Also known as | Nicotine sulfateNicotine hemisulfateBlack Leaf 40Nicotinium sulfate3-(1-Methyl-2-pyrrolidinyl)pyridine sulfate |
| CAS Number | 65-30-5 |
| Appearance | Grayish to brownish crystalline solid or powder with a slight tobacco-like odor. Hygroscopic and becomes dark upon exposure to air and light. |
| Flash Point | Not applicable (non-combustible solid, decomposes before ignition) |
| Boiling Point | Not applicable (decomposes at approximately 247C/477F) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | Readily soluble in water forming acidic solution; no violent reaction |
| Extinguishing | Water spray, CO2, dry chemical, foam suitable; use water to keep containers cool |
| PPE | ⚠️ Level A required for spill response; full encapsulation with SCBA; chemical-resistant gloves and clothing mandatory; avoid all skin contact due to extreme absorption hazard |
| Isolation | ERG 151: isolate spill 25m all directions; isolate fire 800m all directions; consider evacuation 800m downwind if large spill or fire |
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 3445 — Nicotine sulphate, solid HAZMAT RADIO NOTE — UN 3445
Product: Nicotine sulphate, solid
Class 6 / Toxic / ERG 151
PPE: Level A required for spill response; full encapsulation with SCBA; chemical-resistant gloves and clothing mandatory; avoid all skin contact due to extreme absorption hazard
ISOLATION: ERG 151: isolate spill 25m all directions; isolate fire 800m all directions; consider evacuation 800m downwind if large spill or fire
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 3445 — Nicotine sulphate, solid
Class: 6 | Placard: Toxic | ERG Guide: 151
Appearance: Grayish to brownish crystalline solid or powder with a slight tobacco-like odor. Hygroscopic and becomes dark upon exposure to air and light.
Water Reactivity: Readily soluble in water forming acidic solution; no violent reaction
Extinguishing: Water spray, CO2, dry chemical, foam suitable; use water to keep containers cool
PPE: Level A required for spill response; full encapsulation with SCBA; chemical-resistant gloves and clothing mandatory; avoid all skin contact due to extreme absorption hazard
Isolation: ERG 151: isolate spill 25m all directions; isolate fire 800m all directions; consider evacuation 800m downwind if large spill or fire
— 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/3445 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN3445 Nicotine sulphate, solid Cls6 ERG151 | allfirefighter.com/hazmat/un/3445SMS / 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/3445
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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 A required for spill response; full encapsulation with SCBA; chemical-resistant gloves and clothing mandatory; avoid all skin contact due to extreme absorption hazard
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.