☣️ UN 1192 • CLASS 3

UN 1192 — Ethyl lactate

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.
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UN 1192 Quick Details

UN 1192
Product name: Ethyl lactate
DOT Class: 3
Placard type: Flammable
ERG Guide: 129 (check current ERG)
Initial isolation: ERG 129: Small spill isolate 30m all directions; large spill isolate 100m all directions, evacuate 300m downwind if tank/rail car involved in fire

Common Hazards of UN 1192

  • 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

Also known asLactic acid ethyl esterEthyl 2-hydroxypropanoateEthyl L-lactateSolactol
CAS Number97-64-3
AppearanceColorless to pale yellow liquid with a mild, fruity odor. Miscible with water and most organic solvents.
Flash Point46°C (115°F)
Boiling Point154°C (309°F)
Vapor Density4.1 (heavier than air)
Water ReactivityNo significant reaction; miscible with water
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.

Fireground Response Guidance — UN 1192

Extinguishing Media

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

PPE Requirements

⚠️ Level C minimum for small spills; Level B with SCBA for large spills or fire conditions

Isolation & Evacuation

ERG 129: Small spill isolate 30m all directions; large spill isolate 100m all directions, evacuate 300m downwind if tank/rail car involved in fire
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 129).

First Actions for a UN 1192 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.
  • 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 1192 — Ethyl lactate
HAZMAT RADIO NOTE — UN 1192 Product: Ethyl lactate Class 3 / Flammable / ERG 129 PPE: Level C minimum for small spills; Level B with SCBA for large spills or fire conditions ISOLATION: ERG 129: Small spill isolate 30m all directions; large spill isolate 100m all directions, evacuate 300m downwind if tank/rail car involved in fire 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 1192 — Ethyl lactate Class: 3 | Placard: Flammable | ERG Guide: 129 Appearance: Colorless to pale yellow liquid with a mild, fruity odor. Miscible with water and most organic solvents. Water Reactivity: No significant reaction; miscible with water Extinguishing: Alcohol-resistant foam, CO2, dry chemical, water spray PPE: Level C minimum for small spills; Level B with SCBA for large spills or fire conditions Isolation: ERG 129: Small spill isolate 30m all directions; large spill isolate 100m all directions, evacuate 300m downwind if tank/rail car involved in fire — 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 — • 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/1192 | Always use current ERG + SOP/SOGIC BRIEFING

Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.

SMS (short)
UN1192 Ethyl lactate Cls3 ERG129 | ERG 129: Small spill isolate 30m all directions; large spill isolate 100m all di | allfirefighter.com/hazmat/un/1192SMS / 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/1192

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 1192

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.

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 C minimum for small spills; Level B with SCBA for large spills or fire conditions

Water reactivity: No significant reaction; miscible with water. Recommended extinguishing: Alcohol-resistant foam, CO2, dry chemical, water spray.

ERG Guide 129 recommendation: ERG 129: Small spill isolate 30m all directions; large spill isolate 100m all directions, evacuate 300m downwind if tank/rail car involved in fire

No. This is a training/quick-reference aid only. Always consult the current ERG Guide 129 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.