☣️ UN 3064 • CLASS 3
Nitroglycerin, solution in alcohol, with more than 1% but not more than 5% nitroglycerin
Placard: Flammable. 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 3064
Class: 3
Placard type: Flammable
ERG: Guide 127 (check current ERG)
Isolation: ERG 127: isolate 50m all directions initially; evacuate 800m in all directions if tank/rail car involved in fire
Chemical & Response Details
| Also known as | Glyceryl trinitrateNGGTNTrinitroglycerin1,2,3-Propanetriol trinitrateNitroglycerine alcohol solution |
| CAS Number | 55-63-0 |
| Appearance | Clear to pale yellow liquid solution with a sweet, burning taste. Alcohol solution may have a characteristic alcoholic odor. Liquid at room temperature. |
| Flash Point | -18C (0F) to 13C (55F) depending on alcohol concentration |
| Boiling Point | Not applicable (decomposes before boiling; nitroglycerin decomposes at 50-60C) |
| Vapor Density | Approximately 2.6 (heavier than air) |
| Water Reactivity | No significant reaction with water, but nitroglycerin is only slightly soluble |
| Extinguishing | Alcohol-resistant foam required; CO2, dry chemical; water spray for cooling only |
| PPE | ⚠️ Level B minimum with full face SCBA required; explosives handling precautions; avoid shock, friction, heat |
| Isolation | ERG 127: isolate 50m all directions initially; evacuate 800m in all directions if tank/rail car involved in fire |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
- Vapors may form explosive mixtures with air.
- Vapors may travel to source of ignition and flash back.
- Most vapors are heavier than air. They will spread along the ground and collect in low or confined areas
- Vapor explosion hazard indoors, outdoors or in sewers.
- Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.
- Runoff to sewer may create fire or explosion hazard.
- Containers may explode when heated.
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.
- Ventilate closed spaces before entering, but only if properly trained and equipped.
- Isolate spill or leak area for at least 50 meters (150 feet) in all directions.
- Consider initial downwind evacuation for at least 300 meters (1000 feet).
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UN 3064 — Nitroglycerin, solution in alcohol, with HAZMAT RADIO NOTE — UN 3064
Product: Nitroglycerin, solution in alcohol, with more than 1% but not more than 5% nitroglycerin
Class 3 / Flammable / ERG 127
PPE: Level B minimum with full face SCBA required; explosives handling precautions; avoid shock, friction, heat
ISOLATION: ERG 127: isolate 50m all directions initially; evacuate 800m in all directions if tank/rail car involved in 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 3064 — Nitroglycerin, solution in alcohol, with more than 1% but not more than 5% nitroglycerin
Class: 3 | Placard: Flammable | ERG Guide: 127
Appearance: Clear to pale yellow liquid solution with a sweet, burning taste. Alcohol solution may have a characteristic alcoholic odor. Liquid at room temperature.
Water Reactivity: No significant reaction with water, but nitroglycerin is only slightly soluble
Extinguishing: Alcohol-resistant foam required; CO2, dry chemical; water spray for cooling only
PPE: Level B minimum with full face SCBA required; explosives handling precautions; avoid shock, friction, heat
Isolation: ERG 127: isolate 50m all directions initially; evacuate 800m in all directions if tank/rail car involved in fire
— Key Hazards —
• HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
• Vapors may form explosive mixtures with air.
• Vapors may travel to source of ignition and flash back.
— 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.
• Ventilate closed spaces before entering, but only if properly trained and equipped.
SOURCE: allfirefighter.com/hazmat/un/3064 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN3064 Nitroglycerin, solution in alcohol, with more than 1% but not more than 5% nitroglycerin Cls3 ERG127 | allfirefighter.com/hazmat/un/3064SMS / 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/3064
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FAQ
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along the ground and collect in low or confined areas Vapor explosion hazard indoors, outdoors or in sewers. Those substances designated with a (P) may polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated.
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 with full face SCBA required; explosives handling precautions; avoid shock, friction, heat
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 127 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.