☣️ UN 0118 • CLASS 1
UN 0118 — Hexolite; Hexotol
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 0118 Quick Details
UN 0118
Product name: Hexolite; Hexotol
DOT Class: 1
Placard type: Explosive 1.1D
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: isolate 500m minimum all directions. Evacuate 1600m in all directions if material is on fire or exposed to heat. Mass explosion hazard — do not approach.
Common Hazards of UN 0118
- 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 | HexoliteHexotolRDX/TNT mixtureComposition B variantHexogen-TNT explosive |
| Appearance | Pale yellow to tan granular or pressed solid explosive composition. Odorless or faint aromatic odor. Remains solid at room temperature. |
| Flash Point | Not applicable (explosive solid) |
| Boiling Point | Not applicable (decomposes violently upon heating) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water, but water should not be used for fire suppression |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0118
Extinguishing Media
DO NOT use water, foam, or CO2. Fighting fire may cause detonation. Evacuate area immediately if involved in fire.
PPE Requirements
⚠️ Full structural firefighting gear with SCBA required if approach is absolutely necessary. Level A with blast-resistant cover strongly recommended.
Isolation & Evacuation
ERG 112: isolate 500m minimum all directions. Evacuate 1600m in all directions if material is on fire or exposed to heat. Mass explosion hazard — do not approach.
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0118 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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UN 0118 — Hexolite; HexotolHAZMAT RADIO NOTE — UN 0118
Product: Hexolite; Hexotol
Class 1 / Explosive 1.1D / ERG 112
PPE: Full structural firefighting gear with SCBA required if approach is absolutely necessary. Level A with blast-resistant cover strongly recommended.
ISOLATION: ERG 112: isolate 500m minimum all directions. Evacuate 1600m in all directions if material is on fire or exposed to heat. Mass explosion hazard — do not approach.
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 0118 — Hexolite; Hexotol
Class: 1 | Placard: Explosive 1.1D | ERG Guide: 112
Appearance: Pale yellow to tan granular or pressed solid explosive composition. Odorless or faint aromatic odor. Remains solid at room temperature.
Water Reactivity: No significant reaction with water, but water should not be used for fire suppression
Extinguishing: DO NOT use water, foam, or CO2. Fighting fire may cause detonation. Evacuate area immediately if involved in fire.
PPE: Full structural firefighting gear with SCBA required if approach is absolutely necessary. Level A with blast-resistant cover strongly recommended.
Isolation: ERG 112: isolate 500m minimum all directions. Evacuate 1600m in all directions if material is on fire or exposed to heat. Mass explosion hazard — do not approach.
— 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/0118 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0118 Hexolite; Hexotol Cls1 ERG112 | ERG 112: isolate 500m minimum all directions. Evacuate 1600m in all directions i | allfirefighter.com/hazmat/un/0118SMS / 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/0118
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 0118
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.
Full structural firefighting gear with SCBA required if approach is absolutely necessary. Level A with blast-resistant cover strongly recommended.
Water reactivity: No significant reaction with water, but water should not be used for fire suppression. Recommended extinguishing: DO NOT use water, foam, or CO2. Fighting fire may cause detonation. Evacuate area immediately if involved in fire..
ERG Guide 112 recommendation: ERG 112: isolate 500m minimum all directions. Evacuate 1600m in all directions if material is on fire or exposed to heat. Mass explosion hazard — do not approach.
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.