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Propane C3H8

Learn everything about propane (C3H8) and find the right gas detection system for propane monitoring.

Propane (C3H8) and its properties

Propane (C3H8) is a flammable, colourless and odourless gas that is mainly used as a heating fuel, for cooking and in gas cylinders. It is also used in industry and as a refrigerant. When mixed with air in high concentrations, propane can be explosive and therefore poses a hazard.

Gasmessfühler

No data was found

limit values

Information on propane limit values

limit values

Lower explosion limit (LEL) 1.7 Vol. – %

  • Pre-alarm: 10% LEL (0.17 vol. – %)
  • Main alarm: 20% LEL (0.34 vol. – %)

gas density

  • Relative Gasdichte 1.55
  • Installation height 10 cm from the floor

Gasmerkmale

  • Flammable: Propane, a highly flammable gas, serves as fuel.
  • Colourless and odourless: Propane has no smell of its own, but is often mixed with a fragrance (such as ethyl mercaptan) to detect leaks.
  • Storage: Propane is usually stored as a liquid in pressure vessels or gas cylinders.
  • Energy source: Used as fuel in heating systems, gas barbecues and vehicles.
  • Explosion danger: Propane can become explosive when combined with air, especially in enclosed spaces.

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Questions about propane detection?

Danger

  • Explosion hazard: Propane can form explosive mixtures with air. In enclosed spaces in particular, a spark or flame can cause an explosion.
  • Asphyxia (risk of suffocation): In high concentrations, propane can replace oxygen, which can cause breathing difficulties or suffocation.
  • Fire hazard: Propane is highly flammable, which means that there is a risk of fire at any time if it escapes and comes into contact with an ignition source.
  • Pressure vessels: Propane is stored at high pressure. Leaks that pose a hazard can be caused by a damaged tank or a leaking pipe.
    Propane poses a hazard in the event of leaks because it is heavier than air and can accumulate in low-lying areas. This increases the risk of sudden ignition.

HIGH-RISK SCENARIOS

  • Indoor leakage: A propane leak inside a building can lead to dangerous gas accumulation, increasing the risk of explosions or suffocation.
  • Inadequate ventilation: In areas with poor ventilation, propane can replace oxygen, posing a risk of suffocation to people in the vicinity.
  • Fire in the event of leaks: Propane escaping from leaking gas cylinders or pipes can immediately catch fire upon contact with an ignition source and cause a fire.
  • Accident during transport or storage: Incorrect handling of propane containers, for example during transport or storage, poses a risk of leaks or explosions due to pressure relief.
  • Explosion hazard when sparks are generated: If the concentration of propane gas in combination with a spark source is within the correct range, an explosion may occur.

Health risks and handling of propane

Konzentration

KonzentrationSymptome/folgen
few ppm Normal values outdoors
5% - 10% explosion hazard
From 10% to 15% risk of suffocation

Konzentrationstabelle nur im Querformat sichtbar.

1. Fresh air supply:

  • Immediately move the affected person to fresh air to end exposure to propane.

2. Keep calm:

  • Calm the person down and ensure that they can breathe normally. Breathing problems can occur due to the displacement of oxygen.

3. Unconsciousness:

  • If the person loses consciousness, place them in the recovery position to keep their airways clear.

4. Make an emergency call:

  • Call the emergency services immediately and report the propane poisoning in order to receive rapid medical assistance.

5. No mouth-to-mouth resuscitation:

  • Do not perform mouth-to-mouth resuscitation if propane has displaced the air; instead, wait for professional emergency services.

6. Medical treatment:

  • After receiving first aid, the affected person should be taken to hospital for further treatment.

1. Clearing:

  • Clear the affected area immediately to eliminate the risk of explosion or suffocation.

2. Ventilation:

  • Ventilate the room immediately to dilute the propane gas and reduce its concentration.

3. Fix the leak:

  • Seal the leak if it is safe to do so and there is no danger.

4. Avoidance of ignition sources:

  • To reduce the risk of explosion, all open flames and sources of sparks should be extinguished immediately and electrical equipment switched off.

5. Make an emergency call:

  • Immediately dial the emergency number and report the release of propane to get professional assistance quickly.

6. Use protective clothing:

  • Bei der Handhabung von Propan-Leckagen geeignete Schutzausrüstung verwenden, wie Atemschutz und Handschuhe.

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