☣️ UN 1968 • CLASS 2
Insecticide gas, n.o.s.
Placard: Non-Flammable Gas. 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 1968
Class: 2
Placard type: Non-Flammable Gas
ERG: Guide 126 (check current ERG)
Isolation: ERG 126: Initial isolation 100m in all directions; protective action distance 800m downwind for large spills during day, 2.4km at night; evacuate area if container exposed to fire
Chemical & Response Details
| Also known as | Insecticide gasPesticide gasFumigant gasAgricultural gasCrop protection gas |
| Appearance | Compressed or liquefied gas, typically colorless to pale yellow. Odor varies depending on specific formulation; may be odorless or have characteristic pungent smell. Gaseous state at room temperature when released from pressurized container. |
| Flash Point | Not applicable (compressed gas) |
| Boiling Point | Varies by formulation; typically below room temperature for compressed gases |
| Vapor Density | Heavier than air (typically 2-4 times air density) |
| Water Reactivity | No significant reaction with water for most formulations |
| Extinguishing | Not applicable for gas; use water spray to cool containers, dry chemical or CO2 for small fires |
| PPE | ⚠️ Level B minimum with SCBA required; full chemical protective suit for large releases or confined spaces; insecticides present severe inhalation and skin absorption hazards |
| Isolation | ERG 126: Initial isolation 100m in all directions; protective action distance 800m downwind for large spills during day, 2.4km at night; evacuate area if container exposed to fire |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Some may burn but none ignite readily.
- Containers may explode when heated.
- Ruptured cylinders may rocket.
- Vapors may cause dizziness or asphyxiation without warning, especially when in closed or confined areas.
- Vapors from liquefied gas are initially heavier than air and spread along ground.
- Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite.
- Fire may produce irritating, corrosive and/or toxic gases.
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.
- Many gases are heavier than air and will spread along the ground and collect in low or confined areas
- Ventilate closed spaces before entering, but only if properly trained and equipped.
- Isolate spill or leak area for at least 100 meters (330 feet) in all directions.
- Consider initial downwind evacuation for at least 500 meters (1/3 mile).
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UN 1968 — Insecticide gas, n.o.s. HAZMAT RADIO NOTE — UN 1968
Product: Insecticide gas, n.o.s.
Class 2 / Non-Flammable Gas / ERG 126
PPE: Level B minimum with SCBA required; full chemical protective suit for large releases or confined spaces; insecticides present severe inhalation and skin absorption hazards
ISOLATION: ERG 126: Initial isolation 100m in all directions; protective action distance 800m downwind for large spills during day, 2.4km at night; evacuate area if container exposed to fire
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 1968 — Insecticide gas, n.o.s.
Class: 2 | Placard: Non-Flammable Gas | ERG Guide: 126
Appearance: Compressed or liquefied gas, typically colorless to pale yellow. Odor varies depending on specific formulation; may be odorless or have characteristic pungent smell. Gaseous state at room temperature when released from pressurized container.
Water Reactivity: No significant reaction with water for most formulations
Extinguishing: Not applicable for gas; use water spray to cool containers, dry chemical or CO2 for small fires
PPE: Level B minimum with SCBA required; full chemical protective suit for large releases or confined spaces; insecticides present severe inhalation and skin absorption hazards
Isolation: ERG 126: Initial isolation 100m in all directions; protective action distance 800m downwind for large spills during day, 2.4km at night; evacuate area if container exposed to fire
— Key Hazards —
• Some may burn but none ignite readily.
• Containers may explode when heated.
• Ruptured cylinders may rocket.
— 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.
• Many gases are heavier than air and will spread along the ground and collect in low or confined areas
SOURCE: allfirefighter.com/hazmat/un/1968 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN1968 Insecticide gas, n.o.s. Cls2 ERG126 | allfirefighter.com/hazmat/un/1968SMS / 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/1968
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FAQ
Some may burn but none ignite readily. Containers may explode when heated. Ruptured cylinders may rocket. Vapors may cause dizziness or asphyxiation without warning, especially when in closed or confined areas. Vapors from liquefied gas are initially heavier than air and spread along ground. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating, corrosive and/or toxic gases.
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 with SCBA required; full chemical protective suit for large releases or confined spaces; insecticides present severe inhalation and skin absorption hazards
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 126 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.