☣️ UN 3445 • CLASS 6
UN 3445 — Nicotine sulphate, solid
Placard: Toxic. ERG Guide 151. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
🚒☣️
⚠️ Verification required:
Broad or variable material category; verify exact product, SDS and shipping papers.
⚠️ 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.
UN 3445 Nicotine sulphate, solid is assigned to ERG Guide 151. The exact risk depends on the shipment form, concentration and SDS, but responders should verify shipping papers before committing crews.
Hazard overview: Primary hazards for UN 3445 include: 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. Control ignition sources, avoid direct contact and keep personnel upwind.
Response guidance: For a UN 3445 incident, isolate the area, deny entry, stay upwind and use ERG Guide 151 with the shipping papers or SDS. Use compatible extinguishing media only and prevent contaminated runoff from spreading.
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UN 3445 Quick Details
UN 3445
Product name: Nicotine sulphate, solid
DOT Class: 6
Placard type: Toxic
ERG Guide: 151 (check current ERG)
Initial isolation: ERG 151: isolate spill 25m all directions; isolate fire 800m all directions; consider evacuation 800m downwind if large spill or fire
Common Hazards of UN 3445
- 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 contamination.
- Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive.
- Containers may explode when heated.
- Runoff may pollute waterways.
Chemical Identity & Physical Properties
UN 3445 is described as: Grayish to brownish crystalline solid or powder with a slight tobacco-like odor. Hygroscopic and becomes dark upon exposure to air and light.
| 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 |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 3445
Extinguishing Media
Water spray, CO2, dry chemical, foam suitable; use water to keep containers cool
PPE Requirements
⚠️ 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
PPE guidance for UN 3445: 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 & Evacuation
ERG 151: isolate spill 25m all directions; isolate fire 800m all directions; consider evacuation 800m downwind if large spill or fire
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 151).
First Actions for a UN 3445 Incident
- CALL 911. Then call the emergency response telephone number on the shipping paper, if available.
- 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 distance in the downwind direction as conditions require.
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📋 Copy & Share Field Card
UN 3445 — Nicotine sulphate, solidHAZMAT 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 the emergency response telephone number on the shipping paper, if available.
• 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/nicotine-sulphate-solid-un-3445 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief.
UN3445 Nicotine sulphate, solid Cls6 ERG151 | allfirefighter.com/hazmat/un/nicotine-sulphate-solid-un-3445SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions.
Page: https://allfirefighter.com/hazmat/un/nicotine-sulphate-solid-un-3445
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Frequently Asked Questions about UN 3445
UN 3445 is Nicotine sulphate, solid, a Class 6 hazardous material assigned to ERG Guide 151.
UN 3445 may burn or support fire depending on the product and fire conditions. Keep ignition sources away and follow ERG 151.
Readily soluble in water forming acidic solution; no violent reaction
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
ERG 151: isolate spill 25m all directions; isolate fire 800m all directions; consider evacuation 800m downwind if large spill or fire
Several entries are n.o.s. or mixture categories, so the exact health, fire and reactivity hazards depend on the specific shipped product.
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.