☣️ UN 2730 • CLASS 6
UN 2730 — Nitroanisoles, liquid
Placard: Toxic. ERG Guide 152. 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 2730 Quick Details
UN 2730
Product name: Nitroanisoles, liquid
DOT Class: 6
Placard type: Toxic
ERG Guide: 152 (check current ERG)
Initial isolation: ERG 152: isolate spill 25m all directions; for large spills isolate 50m; evacuate immediate area; highly toxic, avoid vapor/liquid contact
Common Hazards of UN 2730
- Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
- 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.
- Containers may explode when heated.
- Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.
Chemical Identity & Physical Properties
| Also known as | ortho-Nitroanisolepara-Nitroanisolemeta-NitroanisoleMethoxy nitrobenzene isomersNitromethoxybenzene |
| Appearance | Pale yellow to amber oily liquid with a faint aromatic odor. Slightly soluble in water. All three isomers (o-, m-, p-) are liquids at room temperature. |
| Flash Point | 127°C (261°F) to 138°C (280°F) depending on isomer |
| Boiling Point | 258-274°C (496-525°F) depending on isomer |
| Vapor Density | 5.3 (heavier than air) |
| Water Reactivity | No significant reaction with water; slightly soluble |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 2730
Extinguishing Media
Alcohol-resistant foam, CO2, dry chemical, water spray for cooling
PPE Requirements
⚠️ Level A or B with full-face SCBA required; avoid all skin contact; highly toxic via all routes; impervious chemical-protective clothing mandatory
Isolation & Evacuation
ERG 152: isolate spill 25m all directions; for large spills isolate 50m; evacuate immediate area; highly toxic, avoid vapor/liquid contact
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 152).
First Actions for a UN 2730 Incident
- CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
- Keep unauthorized personnel away.
- Stay upwind, uphill and/or upstream.
- 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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📋 Copy & Share Field Card
UN 2730 — Nitroanisoles, liquidHAZMAT RADIO NOTE — UN 2730
Product: Nitroanisoles, liquid
Class 6 / Toxic / ERG 152
PPE: Level A or B with full-face SCBA required; avoid all skin contact; highly toxic via all routes; impervious chemical-protective clothing mandatory
ISOLATION: ERG 152: isolate spill 25m all directions; for large spills isolate 50m; evacuate immediate area; highly toxic, avoid vapor/liquid contact
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 2730 — Nitroanisoles, liquid
Class: 6 | Placard: Toxic | ERG Guide: 152
Appearance: Pale yellow to amber oily liquid with a faint aromatic odor. Slightly soluble in water. All three isomers (o-, m-, p-) are liquids at room temperature.
Water Reactivity: No significant reaction with water; slightly soluble
Extinguishing: Alcohol-resistant foam, CO2, dry chemical, water spray for cooling
PPE: Level A or B with full-face SCBA required; avoid all skin contact; highly toxic via all routes; impervious chemical-protective clothing mandatory
Isolation: ERG 152: isolate spill 25m all directions; for large spills isolate 50m; evacuate immediate area; highly toxic, avoid vapor/liquid contact
— Key Hazards —
• Highly toxic, may be fatal if inhaled, ingested or absorbed through skin.
• Contact with molten substance may cause severe burns to skin and eyes.
• Avoid any skin contact.
— 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.
• Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters
SOURCE: allfirefighter.com/hazmat/un/2730 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN2730 Nitroanisoles, liquid Cls6 ERG152 | ERG 152: isolate spill 25m all directions; for large spills isolate 50m; evacuat | allfirefighter.com/hazmat/un/2730SMS / 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/2730
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Frequently Asked Questions about UN 2730
Highly toxic, may be fatal if inhaled, ingested or absorbed through skin. 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. Containers may explode when heated. Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.
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 A or B with full-face SCBA required; avoid all skin contact; highly toxic via all routes; impervious chemical-protective clothing mandatory
Water reactivity: No significant reaction with water; slightly soluble. Recommended extinguishing: Alcohol-resistant foam, CO2, dry chemical, water spray for cooling.
ERG Guide 152 recommendation: ERG 152: isolate spill 25m all directions; for large spills isolate 50m; evacuate immediate area; highly toxic, avoid vapor/liquid contact
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 152 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.