☣️ UN 1596 • CLASS 6
Dinitroanilines
Placard: Toxic. 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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Quick details
UN 1596
Class: 6
Placard type: Toxic
ERG: Guide 153 (check current ERG)
Isolation: ERG 153: isolate spill or leak area immediately for at least 25-50 meters in all directions; evacuate downwind areas if fire or large spill
Chemical & Response Details
| Also known as | DinitroanilineDinitrobenzenamineDNA compoundsDinitrophenylamine |
| Appearance | Yellow to orange crystalline solid with a slight aromatic odor. Typically shipped as a solid at room temperature. |
| Flash Point | Not applicable (solid with no significant vapor pressure) |
| Boiling Point | Decomposes before boiling, typically above 200C (392F) |
| Vapor Density | Not applicable (solid with negligible vapor pressure) |
| Water Reactivity | No significant reaction with water; slightly soluble |
| Extinguishing | Dry chemical, CO2, water spray, or foam suitable for Class 6.1 toxics |
| PPE | ⚠️ Level B minimum; full protective clothing, chemical-resistant gloves, SCBA required due to toxic properties |
| Isolation | ERG 153: isolate spill or leak area immediately for at least 25-50 meters in all directions; evacuate downwind areas if fire or large spill |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury
- Methyl bromoacetate (UN2643) is an eye irritant/lachrymator (causes flow of tears).
- Contact with molten substance may cause severe burns to skin and eyes.
- 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
- Combustible material: may burn but does not ignite readily.
- When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- Ventilate closed spaces before entering, but only if properly trained and equipped.
- 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
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UN 1596 — Dinitroanilines HAZMAT RADIO NOTE — UN 1596
Product: Dinitroanilines
Class 6 / Toxic / ERG 153
PPE: Level B minimum; full protective clothing, chemical-resistant gloves, SCBA required due to toxic properties
ISOLATION: ERG 153: isolate spill or leak area immediately for at least 25-50 meters in all directions; evacuate downwind areas if fire or large spill
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 1596 — Dinitroanilines
Class: 6 | Placard: Toxic | ERG Guide: 153
Appearance: Yellow to orange crystalline solid with a slight aromatic odor. Typically shipped as a solid at room temperature.
Water Reactivity: No significant reaction with water; slightly soluble
Extinguishing: Dry chemical, CO2, water spray, or foam suitable for Class 6.1 toxics
PPE: Level B minimum; full protective clothing, chemical-resistant gloves, SCBA required due to toxic properties
Isolation: ERG 153: isolate spill or leak area immediately for at least 25-50 meters in all directions; evacuate downwind areas if fire or large spill
— Key Hazards —
• TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury
• Methyl bromoacetate (UN2643) is an eye irritant/lachrymator (causes flow of tears).
• Contact with molten substance may cause severe burns to skin and eyes.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
• Keep unauthorized personnel away.
• Stay upwind, uphill and/or upstream.
• Ventilate closed spaces before entering, but only if properly trained and equipped.
SOURCE: allfirefighter.com/hazmat/un/1596 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1596 Dinitroanilines Cls6 ERG153 | ERG 153: isolate spill or leak area immediately for at least 25-50 meters in all | allfirefighter.com/hazmat/un/1596SMS / 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/1596
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FAQ
TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury Methyl bromoacetate (UN2643) is an eye irritant/lachrymator (causes flow of tears). Contact with molten substance may cause severe burns to skin and eyes. 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 Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion
CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper Keep unauthorized personnel away. Stay upwind, uphill and/or upstream.
Level B minimum; full protective clothing, chemical-resistant gloves, SCBA required due to toxic properties
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 153 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.