UN 0130 — Lead styphnate, wetted
Placard: Explosive 1.1A. ERG Guide 112. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
UN 0130, Lead styphnate wetted (also known as lead trinitroresorcinate or LTNR), is a primary explosive supplied wetted with water or alcohol to reduce sensitivity during transport and handling. It presents a mass explosion hazard, meaning the entire load may detonate simultaneously, making it one of the most dangerous materials encountered in hazmat incidents.
Hazard overview: UN 0130 poses a mass explosion hazard capable of simultaneous detonation of the entire load, producing severe blast overpressure and fragmentation. The dry form is highly sensitive to heat, shock, and friction, making any loss of the wetted condition extremely dangerous.
Response guidance: Emergency responders should immediately isolate the area 500 meters in all directions and evacuate at least 1,600 meters if there is any fire or detonation risk, accounting for blast fragmentation. Do not attempt to fight fires directly; instead, if the material remains wetted, flooding quantities of water may be applied from maximum safe distance.
UN 0130 Quick Details
Common Hazards of UN 0130
- Mass explosion hazard — entire load may detonate simultaneously.
- Severe blast overpressure and fragmentation.
- Sensitive to heat, shock, and friction.
- Secondary fire and debris hazard.
Chemical Identity & Physical Properties
Lead styphnate wetted appears as an orange to brown crystalline powder or granules that is odorless and desensitized by water or alcohol content for safe transport.
| Also known as | Lead trinitroresorcinateStyphnate of leadLTNRLead 2,4,6-trinitroresorcinate |
| CAS Number | 15245-44-0 |
| Appearance | Orange to brown crystalline powder or granules. Odorless. Supplied wetted with water or alcohol for safety during transport and handling. |
| Flash Point | Not applicable (explosive solid) |
| Boiling Point | Not applicable (decomposes/detonates) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction when wetted; water serves as desensitizer |
Fireground Response Guidance — UN 0130
Extinguishing Media
PPE Requirements
Full protective clothing and self-contained breathing apparatus (SCBA) are required, with maximum separation distance maintained at all times during any handling or response operations.
Isolation & Evacuation
First Actions for a UN 0130 Incident
- CALL 911. Then call emergency response telephone number on shipping paper.
- Establish large isolation zone — minimum 500 meters in all directions.
- Stage upwind, uphill; limit personnel to essential responders only.
- Request Hazmat + law enforcement + additional resources immediately.
- Do not fight fire — evacuate and isolate; let burn if no life safety risk.
- Protect exposures only if safe and directed by command.
- Consult current ERG Guide 112 and follow SOP/SOG.
📋 Copy & Share Field Card
UN 0130 — Lead styphnate, wettedUse 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.