Ethan Clarke
Gasoline should not be stored in plastic bags. Gasoline is a solvent and a hydrocarbon, and ordinary plastics also contain hydrocarbons which gasoline will dissolve. Gasoline can break down and dissolve some plastics, but not all. Gasoline is heavy, and plastic bags cannot hold the pressure and weight of a large amount of fuel. The gases given off by the fuel expand and contract with heat, and the bags are susceptible to rupture.
| Characteristics | Values |
|---|---|
| Plastic bags should be used to store gasoline | No |
| Gasoline can eat through plastic bags | Yes |
| Gasoline is heavy | Yes |
| Plastic bags can't handle the weight of gasoline | Yes |
| Plastic bags can't handle the pressure of gasoline | Yes |
| Plastic bags are susceptible to rupture | Yes |
| Plastic bags don't have a safe way to empty gasoline | Yes |
| Plastic bags can be used inside a sturdier container to store gasoline | Yes |
| Plastic gas cans are often made of high-density polyethylene | Yes |
| Gasoline dissolves plastic | Yes |
| Gasoline is a solvent and a hydrocarbon | Yes |
| Plastic is a petroleum-based product | Yes |
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What You'll Learn
Gasoline dissolves some plastics
Gasoline can dissolve some plastics. Ordinary plastics contain hydrocarbons, which gasoline, being a solvent and a hydrocarbon itself, can dissolve. In fact, gasoline and plastic are chronologically related, with plastic having once been gasoline and gasoline potentially turning into plastic in the future. This is why gasoline is sometimes able to eat through plastic bags and containers.
However, not all plastics are alike. Some plastics are able to withstand gasoline without dissolving. For example, plastic gas cans are often made of high-density polyethylene (HDPE), which is quite thick and sturdy. Nonetheless, gasoline can make HDPE containers brittle and more susceptible to breaking.
The type of plastic that is used for plastic bags is typically not designed to handle gasoline. Plastic bags are susceptible to rupturing when used to store gasoline due to the pressure and weight of the fuel, as well as the expansion and contraction of the gases given off by the fuel with changes in heat. Therefore, it is not safe to store gasoline in a plastic bag.
It is important to use approved containers, such as Occupational Safety and Health Administration (OSHA) approved fuel containers, when storing gasoline. These containers are designed with features to safely relieve internal pressure when subjected to fire exposure and to prevent spills.
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Plastic bags are susceptible to rupture
The gases emitted by gasoline expand and contract with heat, and plastic bags lack the necessary pressure relief capabilities, making them vulnerable to bursting. This is a significant safety concern, as a bag full of fuel can pose a severe risk. Additionally, the process of emptying gasoline from a plastic bag can be challenging and often results in spills.
The chemical composition of gasoline and plastic contributes to the susceptibility of plastic bags to rupture. Gasoline is a solvent and a hydrocarbon, and ordinary plastics contain hydrocarbons that gasoline can dissolve. This dissolution process weakens the plastic, making it more prone to rupture.
Not all plastics are alike, and some types of plastic containers can withstand gasoline without dissolving. For example, gas cans made of high-density polyethylene (HDPE) are designed to store gasoline safely. These containers are thick, sturdy, and equipped with features to manage pressure and prevent spills.
While it is possible to layer multiple plastic bags inside a sturdier container as a temporary solution, it is not recommended due to the inherent risks associated with gasoline storage. It is crucial to prioritize approved containers designed for gasoline to ensure safety and prevent accidents.
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Gasoline is heavy
The weight of gasoline is a critical factor in considering safe storage options. Gasoline can be extremely heavy, especially when dealing with larger quantities. A single gallon of gasoline weighs approximately six pounds, and a standard gas tank in a car can hold around 12 to 15 gallons, amounting to a significant weight.
When placed in a plastic bag, the weight of gasoline can exert immense pressure on the bag's material. Plastic bags are typically designed for lightweight items such as groceries or disposable goods. They are not meant to withstand the weight and pressure of a substantial amount of liquid, especially not a volatile substance like gasoline.
The risk of rupture is further exacerbated by the expansion and contraction of gasoline vapors with changes in temperature. Gasoline has a relatively low boiling point, and its vapors can quickly expand when exposed to heat. This expansion can put additional stress on the plastic bag, increasing the likelihood of it tearing or bursting.
Additionally, it is important to note that not all plastics are alike. Some plastics, such as high-density polyethylene (HDPE), are more resistant to gasoline and can be used for fuel storage. However, even these plastics can become brittle and more susceptible to breakage over time due to the effects of gasoline. Therefore, it is crucial to use approved fuel containers designed to handle flammable liquids and equipped with features to safely relieve internal pressure.
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Gasoline is flammable
Gasoline is a highly volatile substance, meaning it readily evaporates under normal conditions to form vapours that can travel great distances. These vapours are highly flammable and can be ignited from up to 12 feet away. Gasoline has a low flashpoint, which is the minimum temperature at which a liquid will give off sufficient vapour to form an ignitable mixture with air. It also has a high vapour density, which means that its vapours are 3 to 4 times heavier than air and tend to accumulate in low or enclosed spaces. This makes it easier for gasoline vapours to form ignitable mixtures with air, increasing the risk of fire.
The flammability of gasoline is one of the reasons why it is dangerous to store it in plastic bags. Plastic bags are not designed to hold the weight and pressure of gasoline and are susceptible to rupture. Additionally, plastic is a petroleum-based product, so it can be weakened and dissolved by gasoline. This means that storing gasoline in a plastic bag could result in a spill, increasing the risk of fire or explosion.
It is important to note that while liquid gasoline under normal atmospheric pressure does not burn easily, it can ignite when atomized into small droplets suspended in air, such as through the use of an internal combustion engine. Therefore, it is crucial to handle and store gasoline properly to prevent fires and explosions.
Approved gasoline cans are designed with safety features to mitigate the risks associated with the flammability of gasoline. These cans have a pouring spot to prevent spills, a flash-arresting screen, a spring-closing lid, and a spout cover. They are also colour-coded to prevent mixing with other liquids, such as diesel or kerosene, which have different physical and chemical properties.
In summary, gasoline is highly flammable due to its low flashpoint and high vapour density. Its vapours are heavy and can travel great distances, making it easy for them to accumulate and form ignitable mixtures with air. Proper storage and handling of gasoline are crucial to prevent fires and explosions, and approved gasoline cans are designed with safety features to mitigate these risks.
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Gasoline vaporizes quickly in hot temperatures
To prevent gasoline evaporation, keep your gas cans out of direct sunlight and in a cool place, such as a shed or garage. Park your vehicles and store equipment in a shaded area or indoors to reduce fuel evaporation. Ensure that the gas can cap or the fuel cap on your vehicle and equipment is tightly closed after refueling, as even a small gap can allow fuel vapors to escape.
Additionally, consider adding a fuel stabilizer to your gasoline, which can repel water and limit evaporation. A stabilizer can lengthen the shelf life of gasoline by up to 3 years. When filling up at the pump, use the low-speed setting on the nozzle to minimize the vapors that are created.
It is important to note that gasoline should not be stored in plastic bags, as the plastic is weakened and soluble in gasoline. Plastic bags are not designed to hold the pressure and weight of gasoline and are susceptible to rupture. Approved gas cans are a safer option, as they have features such as a pouring spot, flash arresting screen, spring-closing lid, and spout cover to relieve internal pressure in the event of fire exposure.
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Frequently asked questions
Yes, gasoline can eat through some types of plastic bags.
Gasoline is a solvent and a hydrocarbon, and ordinary plastics also contain hydrocarbons which gasoline will dissolve.
Gasoline is heavy and can cause a blowout of the bag, spilling fuel.
Gas cans made of plastic often use high-density polyethylene (HDPE), which is thick and sturdy.
Gasoline is highly flammable and can cause a fire or explosion if not stored in a suitable container.
