☣️ UN 0075 • CLASS 1
UN 0075 — Diethyleneglycol dinitrate, desensitized
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 0075 Quick Details
UN 0075
Product name: Diethyleneglycol dinitrate, desensitized
DOT Class: 1
Placard type: Explosive 1.1D
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: Isolate 800m (0.5 miles) all directions; evacuate 1600m (1 mile) downwind if material involved in fire; treat as mass explosion hazard
Common Hazards of UN 0075
- 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 | DEGNDiglycol dinitrate2,2'-Oxybis(ethanol) dinitrateDiethylene glycol dinitrate desensitizedNitroglycol dinitrate |
| CAS Number | 693-21-0 |
| Appearance | Colorless to pale yellow oily liquid with a weak, sweet odor. Desensitized formulation contains phlegmatizing agents to reduce sensitivity. |
| Flash Point | Not applicable (explosive liquid) |
| Boiling Point | Decomposes at approximately 159C (318F) before boiling |
| Vapor Density | 2.4 (heavier than air) |
| Water Reactivity | Slightly soluble in water; no violent reaction but contamination may affect stability |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0075
Extinguishing Media
DO NOT USE WATER OR FOAM — may spread fire; use dry chemical or sand at safe distance only
PPE Requirements
⚠️ Level A mandatory; full explosive ordnance disposal (EOD) protective gear recommended; SCBA required; avoid all static, friction, and shock
Isolation & Evacuation
ERG 112: Isolate 800m (0.5 miles) all directions; evacuate 1600m (1 mile) downwind if material involved in fire; 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 0075 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 0075 — Diethyleneglycol dinitrate, desensitizedHAZMAT RADIO NOTE — UN 0075
Product: Diethyleneglycol dinitrate, desensitized
Class 1 / Explosive 1.1D / ERG 112
PPE: Level A mandatory; full explosive ordnance disposal (EOD) protective gear recommended; SCBA required; avoid all static, friction, and shock
ISOLATION: ERG 112: Isolate 800m (0.5 miles) all directions; evacuate 1600m (1 mile) downwind if material involved in fire; 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 0075 — Diethyleneglycol dinitrate, desensitized
Class: 1 | Placard: Explosive 1.1D | ERG Guide: 112
Appearance: Colorless to pale yellow oily liquid with a weak, sweet odor. Desensitized formulation contains phlegmatizing agents to reduce sensitivity.
Water Reactivity: Slightly soluble in water; no violent reaction but contamination may affect stability
Extinguishing: DO NOT USE WATER OR FOAM — may spread fire; use dry chemical or sand at safe distance only
PPE: Level A mandatory; full explosive ordnance disposal (EOD) protective gear recommended; SCBA required; avoid all static, friction, and shock
Isolation: ERG 112: Isolate 800m (0.5 miles) all directions; evacuate 1600m (1 mile) downwind if material involved in fire; 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/0075 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0075 Diethyleneglycol dinitrate, desensitized Cls1 ERG112 | allfirefighter.com/hazmat/un/0075SMS / 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/0075
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 0075
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 mandatory; full explosive ordnance disposal (EOD) protective gear recommended; SCBA required; avoid all static, friction, and shock
Water reactivity: Slightly soluble in water; no violent reaction but contamination may affect stability. Recommended extinguishing: DO NOT USE WATER OR FOAM — may spread fire; use dry chemical or sand at safe distance only.
ERG Guide 112 recommendation: ERG 112: Isolate 800m (0.5 miles) all directions; evacuate 1600m (1 mile) downwind if material involved in fire; 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.