☣️ UN 0153 • CLASS 1
UN 0153 — Trinitroaniline; Picramide
Placard: Explosive 1.1D. ERG Guide 112. 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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UN 0153 Quick Details
UN 0153
Product name: Trinitroaniline; Picramide
DOT Class: 1
Placard type: Explosive 1.1D
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: Isolate spill area minimum 500m in all directions; if fire or explosion risk, evacuate 1600m radius; treat as mass explosion hazard
Common Hazards of UN 0153
- 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
| Also known as | Picramide2,4,6-TrinitroanilineTNAPicramic acid |
| CAS Number | 489-98-5 |
| Appearance | Yellow to orange crystalline solid with no significant odor at room temperature. Exists as stable crystals that are shock-sensitive. |
| Flash Point | Not applicable (explosive solid) |
| Boiling Point | Not applicable (decomposes explosively before boiling) |
| Vapor Density | Not applicable (solid explosive) |
| Water Reactivity | Slightly soluble in water; no violent reaction but moisture can affect sensitivity |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0153
Extinguishing Media
DO NOT use water or foam; use dry sand or earth to cover and isolate; no extinguishing agents for mass fire
PPE Requirements
⚠️ Level A required for spill response; full explosive ordnance disposal (EOD) protective equipment for handling; SCBA mandatory; anti-static clothing essential
Isolation & Evacuation
ERG 112: Isolate spill area minimum 500m in all directions; if fire or explosion risk, evacuate 1600m radius; treat as mass explosion hazard
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0153 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.
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📋 Copy & Share Field Card
UN 0153 — Trinitroaniline; PicramideHAZMAT RADIO NOTE — UN 0153
Product: Trinitroaniline; Picramide
Class 1 / Explosive 1.1D / ERG 112
PPE: Level A required for spill response; full explosive ordnance disposal (EOD) protective equipment for handling; SCBA mandatory; anti-static clothing essential
ISOLATION: ERG 112: Isolate spill area minimum 500m in all directions; if fire or explosion risk, evacuate 1600m radius; treat as mass explosion hazard
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 0153 — Trinitroaniline; Picramide
Class: 1 | Placard: Explosive 1.1D | ERG Guide: 112
Appearance: Yellow to orange crystalline solid with no significant odor at room temperature. Exists as stable crystals that are shock-sensitive.
Water Reactivity: Slightly soluble in water; no violent reaction but moisture can affect sensitivity
Extinguishing: DO NOT use water or foam; use dry sand or earth to cover and isolate; no extinguishing agents for mass fire
PPE: Level A required for spill response; full explosive ordnance disposal (EOD) protective equipment for handling; SCBA mandatory; anti-static clothing essential
Isolation: ERG 112: Isolate spill area minimum 500m in all directions; if fire or explosion risk, evacuate 1600m radius; treat as mass explosion hazard
— Key Hazards —
• Mass explosion hazard — entire load may detonate simultaneously.
• Severe blast overpressure and fragmentation.
• Sensitive to heat, shock, and friction.
— First Actions —
• 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.
SOURCE: allfirefighter.com/hazmat/un/0153 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0153 Trinitroaniline; Picramide Cls1 ERG112 | allfirefighter.com/hazmat/un/0153SMS / 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/0153
Related UN Numbers in Class 1
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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Frequently Asked Questions about UN 0153
Mass explosion hazard — entire load may detonate simultaneously. Severe blast overpressure and fragmentation. Sensitive to heat, shock, and friction. Secondary fire and debris hazard.
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.
Level A required for spill response; full explosive ordnance disposal (EOD) protective equipment for handling; SCBA mandatory; anti-static clothing essential
Water reactivity: Slightly soluble in water; no violent reaction but moisture can affect sensitivity. Recommended extinguishing: DO NOT use water or foam; use dry sand or earth to cover and isolate; no extinguishing agents for mass fire.
ERG Guide 112 recommendation: ERG 112: Isolate spill area minimum 500m in all directions; if fire or explosion risk, evacuate 1600m radius; treat as mass explosion hazard
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 112 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.