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Ethylene (C2H4)

Learn everything about ethylene (C2H4) and find the right gas detection system for ethylene monitoring.

Ethylene (C2H4) and its properties

Ethylene (C₂H₄) is a colourless, flammable gas that is mainly used in the manufacture of plastics (such as polyethylene) and as a ripening gas for fruit. It is an important industrial chemical that also acts as a plant hormone.

Gasmessfühler

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limit values

Information on ethylene limit values

SUVA limit values

MAK value: 1000 ppm (11500 mg/m³)

EU workplace exposure limits (BOELV)

Gasmerkmale

Colour: Ethylene is a colourless gas.
Smell: Sweetish
Flammability: Highly flammable, forms explosive mixtures with air
Density: Lighter than air
Solubility: Easily soluble in water and organic solvents
Use: Important raw material in plastics production, plant gas (promotes fruit ripening)
Toxicity: Low toxicity, but risk of suffocation in high concentrations.

Do you require further information?

Questions about detecting ethylene?

DANGERS

Fire and explosion hazard: Ethylene is highly flammable and can easily form explosive mixtures with air.
Risk of suffocation: In higher concentrations, ethylene can displace oxygen and thus cause suffocation.
Pressure hazard: Ethylene in liquid form is stored under high pressure; without proper handling, this can lead to dangerous explosions.
Health risks: Despite its low toxicity, ethylene can cause respiratory irritation and dizziness in high concentrations.

HIGH-RISK SCENARIOS

Explosion: The release of ethylene together with an ignition source.
Suffocation: Enclosed spaces in which ethylene accumulates lead to a lack of oxygen.
Leakage: Leaks in pipes or containers that cause hazardous gas to escape.
Fire: Ethylene ignites from sparks or open flames.
Accident during transport or storage: Uncontrolled release during transport or incorrect storage.

Health risks and handling of ethylene

Konzentration

Konzentration	Symptome/folgen
0,1 bis 1 ppb	Normal values outdoors
Slightly higher, usually below 10 ppb	In urban areas
From approximately 100 ppm	health hazard

Konzentrationstabelle nur im Querformat sichtbar.

Erste Hilfe

1. Fresh air:

Immediately move the affected person to fresh air to end exposure to ethylene.

2. Call an emergency doctor:

Severe shortness of breath or loss of consciousness are reasons to call the emergency doctor (112) immediately.

3. Monitoring:

The person’s breathing, pulse and consciousness should be checked regularly.

4. Remove from danger zone:

Move the person out of the contaminated area to safety.

5. Consult a doctor:

Even if symptoms are mild, it is important to consult a doctor to avoid possible consequences.

Bei Unbeabsichtigter Freisetzung

1. Secure the danger zone:

Secure the affected area immediately and prevent access by unauthorised persons.

2. Ensure ventilation:

Ventilate rooms well or switch on ventilation systems to quickly dilute the gas.

3. Take protective measures:

Put on protective clothing, respirators and gloves to protect yourself from exposure.

4. Identify and eliminate sources:

Quickly identify the source of the release (e.g. a leak) and, if possible, stop it.

5. Alert the emergency services:

In the event of larger releases or if there is uncertainty, immediately contact the emergency services or a hazardous materials emergency service.

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Ethylene (C2H4)

Ethylene (C2H4) and its properties

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