☣️ UN 1220 • CLASS 3

UN 1220 — Isopropyl acetate

Placard: Flammable. ERG Guide 129. 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.

Isopropyl acetate is a colorless liquid with a fruity, ester-like odor, commonly used as a solvent and cleaning agent. It is highly volatile and flammable at room temperature, making it a significant fire hazard if not handled properly.

Hazard overview: Isopropyl acetate is highly flammable and can be easily ignited by heat, sparks, or flames, with vapors forming explosive mixtures with air. Prolonged exposure to its vapors can also cause respiratory irritation and other health issues.

Response guidance: In case of a spill, evacuate the area immediately and use alcohol-resistant foam or other recommended extinguishing agents to prevent the fire from spreading. Emergency responders should wear Level B minimum protective equipment with SCBA for spill situations.

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UN 1220 Quick Details

UN 1220
Product name: Isopropyl acetate
DOT Class: 3
Placard type: Flammable
ERG Guide: 129 (check current ERG)
Initial isolation: ERG 129: Isolate spill 50m all directions; if tank/railcar involved in fire, isolate 800m and evacuate

Common Hazards of UN 1220

  • HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
  • Vapors may form explosive mixtures with air.
  • Vapors may travel to source of ignition and flash back.
  • Most vapors are heavier than air. They will spread along the ground and collect in low or confined areas
  • Vapor explosion hazard indoors, outdoors or in sewers.
  • Those substances designated with a (P) may polymerize explosively when heated or involved in a fire.
  • Runoff to sewer may create fire or explosion hazard.
  • Containers may explode when heated.

Chemical Identity & Physical Properties

Isopropyl acetate is a colorless liquid with a fruity, ester-like odor, volatile and highly flammable at room temperature.

Also known as2-Propyl acetateAcetic acid isopropyl esterIsopropyl ethanoate2-Acetoxypropane
CAS Number108-21-4
AppearanceColorless liquid with a fruity, ester-like odor. Volatile and highly flammable at room temperature.
Flash Point-6C (21F)
Boiling Point89C (192F)
Vapor Density3.5 (heavier than air)
Water ReactivityNo significant reaction; slightly soluble in water
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.

Fireground Response Guidance — UN 1220

Extinguishing Media

Alcohol-resistant foam, CO2, dry chemical, water spray

PPE Requirements

⚠️ Level B minimum in spill situations; SCBA and chemical-resistant suit recommended for large releases or confined spaces

Emergency responders should wear Level B minimum protective equipment with SCBA for spill situations, and chemical-resistant suit recommended for large releases or confined spaces.

Isolation & Evacuation

ERG 129: Isolate spill 50m all directions; if tank/railcar involved in fire, isolate 800m and evacuate
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 129).

First Actions for a UN 1220 Incident

  • 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 for at least 50 meters (150 feet) in all directions.
  • Consider initial downwind evacuation for at least 300 meters (1000 feet).
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📋 Copy & Share Field Card

UN 1220 — Isopropyl acetate
HAZMAT RADIO NOTE — UN 1220 Product: Isopropyl acetate Class 3 / Flammable / ERG 129 PPE: Level B minimum in spill situations; SCBA and chemical-resistant suit recommended for large releases or confined spaces ISOLATION: ERG 129: Isolate spill 50m all directions; if tank/railcar involved in fire, isolate 800m and evacuate ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO

Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.

SMS WhatsApp
=== IC HAZMAT BRIEFING === UN 1220 — Isopropyl acetate Class: 3 | Placard: Flammable | ERG Guide: 129 Appearance: Colorless liquid with a fruity, ester-like odor. Volatile and highly flammable at room temperature. Water Reactivity: No significant reaction; slightly soluble in water Extinguishing: Alcohol-resistant foam, CO2, dry chemical, water spray PPE: Level B minimum in spill situations; SCBA and chemical-resistant suit recommended for large releases or confined spaces Isolation: ERG 129: Isolate spill 50m all directions; if tank/railcar involved in fire, isolate 800m and evacuate — Key Hazards — • HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. • Vapors may form explosive mixtures with air. • Vapors may travel to source of ignition and flash back. — First Actions — • 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 for at least 50 meters (150 feet) in all directions. SOURCE: allfirefighter.com/hazmat/un/isopropyl-acetate-un-1220 | Always use current ERG + SOP/SOGIC BRIEFING

Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief.

SMS (short)
UN1220 Isopropyl acetate Cls3 ERG129 | allfirefighter.com/hazmat/un/isopropyl-acetate-un-1220SMS / 160 CHAR

Use for: Quick text to command or incoming units. Fits in a single SMS.

⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions. Page: https://allfirefighter.com/hazmat/un/isopropyl-acetate-un-1220

Related UN Numbers in Class 3

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 1220

Yes, UN 1220 Isopropyl acetate is highly flammable and can be easily ignited by heat, sparks, or flames.

ERG 129 recommends isolating the spill 50m in all directions, and 800m if a tank or railcar is involved in a fire.

Level B minimum protective equipment with SCBA is required for spill situations, and chemical-resistant suit recommended for large releases or confined spaces.
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.