UN 1570 — Brucine
Placard: Toxic. ERG Guide 151. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
Brucine is a highly toxic substance that can cause severe skin and eye irritation. It is highly toxic by all routes of exposure.
Hazard overview: Brucine is highly toxic and may be fatal if inhaled, ingested or absorbed through skin. Avoid any skin contact.
Response guidance: Isolate the spill 25m in all directions and evacuate the area 1600m downwind if necessary. Use SCBA for protection.
UN 1570 Quick Details
Common Hazards of UN 1570
- 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.
Chemical Identity & Physical Properties
Brucine is a white to pale yellow crystalline powder or orthorhombic crystals with a bitter taste.
| Also known as | Dimethoxystrychnine10,11-DimethoxystrychnineBrucine alkaloidBrucina |
| CAS Number | 357-57-3 |
| Appearance | White to pale yellow crystalline powder or orthorhombic crystals. Odorless or faint odor. Bitter taste. |
| Flash Point | Not applicable (solid combustible) |
| Boiling Point | Not applicable (decomposes before boiling) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction; slightly soluble in water |
Fireground Response Guidance — UN 1570
Extinguishing Media
PPE Requirements
Wear Level B minimum personal protective equipment, including SCBA and a full chemical-resistant suit.
Isolation & Evacuation
First Actions for a UN 1570 Incident
- 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
📋 Copy & Share Field Card
UN 1570 — BrucineUse for: Quick radio or face-to-face size-up. Short, structured, field-ready.
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief.
Use for: Quick text to command or incoming units. Fits in a single SMS.