
Nitric acid reacting with plastic is a dangerous situation that can cause personal injury and property damage. It is important to understand the potential hazards of storing nitric acid in plastic containers. Some people have reported incidents where nitric acid has been stored in plastic bottles, resulting in discolouration, brittleness, and even rupture of the bottle. It is recommended to use glass reagent bottles or stainless steel containers for storing nitric acid to prevent such incidents. Factors like concentration, temperature, and container condition can influence the chemical resistance of plastic products.
| Characteristics | Values |
|---|---|
| Reaction | Nitric acid reacts with plastic bottles |
| Storage | Nitric acid should be stored in glass reagent bottles or stainless steel containers |
| Safety | Storing nitric acid in plastic can cause the bottle to rupture and spray its contents, which is dangerous |
| Temperature | Exposure to heat can cause the plastic to become brittle |
| Container Condition | The concentration/purity of the chemical, wall thickness, and condition of the container can affect the chemical resistance of the plastic |
Explore related products
What You'll Learn

Nitric acid should be stored in glass or steel containers
Nitric acid is a highly corrosive substance that can react with and destroy many plastics. It is therefore unsafe to store nitric acid in plastic containers, as the acid can cause the plastic to degrade and potentially rupture, which can be extremely dangerous.
To ensure safe storage of nitric acid, it is recommended to use glass or stainless steel containers designed for this purpose. Glass reagent bottles with intact lids are suitable for storing nitric acid, provided they are not exposed to direct sunlight or extreme temperatures. The glass bottles should also be stored in a safe and secure location, such as on a shelf, to prevent accidental breakage.
Stainless steel containers are another option for storing nitric acid. These containers are specifically designed for storing corrosive substances and can provide a secure and durable storage solution. It is important to ensure that the steel containers are not exposed to excessive moisture or humidity, as this can lead to rust and corrosion.
Additionally, when handling and storing nitric acid, it is crucial to take necessary safety precautions. This includes wearing appropriate protective gear, such as gloves and eye protection, and ensuring that the storage area is well-ventilated and away from flammable materials or heat sources. Proper labelling and securing of the containers are also essential to prevent accidental misuse or spillage.
By following these guidelines and storing nitric acid in suitable glass or steel containers, individuals can help ensure their safety and prevent potential hazards associated with the corrosive nature of nitric acid.
Plastic Pollution: Killing Turtles, Destroying Marine Life
You may want to see also
Explore related products

Plastic bottles can rupture and spray contents
Nitric acid can react with plastic, causing the plastic bottle to rupture and spray its contents. This is a dangerous situation that can cause harm to people and property. It is important to understand the risks associated with storing nitric acid in plastic bottles and take the necessary precautions to prevent accidents.
In one instance, a user on a gold refining forum reported that their friend had stored commercial-grade nitric acid in a 2-liter plastic soda bottle. After just two days, the bottle had discolored, and when the lid was loosened, the acid was forced out under pressure, discharging approximately half of the contents. The friend anticipated the issue and took precautions, including opening the bottle inside a secondary container, wearing protective gear, and being cautious, which prevented injury and uncontrolled spillage.
However, if the bottle had failed due to degradation, it could have ruptured and sprayed its contents randomly over a considerable distance. This emphasizes the importance of proper storage and handling of nitric acid. It is recommended to store nitric acid in glass reagent bottles or stainless steel containers specifically designed for this purpose.
The chemical compatibility of plastic products with acids can be influenced by various factors, including the concentration and purity of the chemical, working temperature, wall thickness, and condition of the container. It is crucial to test the compatibility of a container with a specific chemical to ensure safety.
Some users on the same forum have reported varying experiences with storing nitric acid in plastic bottles. One user mentioned that their bottle had become brittle but never shrank, while another user had successfully stored nitric acid in a plastic bottle for over a year without any issues. However, these instances may not account for all potential variables, and it is always prudent to follow recommended safety guidelines.
Butter and Plastic: What's the Truth?
You may want to see also
Explore related products

Nitric acid can cause plastic to become brittle
Nitric acid can react with plastic and cause the plastic to become brittle. In one instance, a user on a gold refining forum reported that a plastic bottle containing nitric acid became discoloured and discharged its contents when the lid was loosened, even at a low ambient temperature. The user also noted that the bottle containing the nitric acid was "mostly filled", indicating that the acid may have expanded or generated gas, leading to the pressurization of the bottle. Another user on the same forum shared a similar experience, stating that their plastic bottle containing nitric acid became brittle but did not shrink.
The chemical compatibility of a plastic product with a specific chemical, such as nitric acid, is influenced by various factors. These factors include the concentration and purity of the chemical, the temperature at which the chemical is stored, the thickness of the plastic, and the overall condition of the container. It is crucial to test the compatibility of a container and a chemical under specific circumstances to ensure safety.
The safe storage of nitric acid is essential. It is recommended to store nitric acid in glass reagent bottles or stainless steel containers specifically designed for this purpose. Proper storage, labelling, and securing of refining chemicals are necessary to prevent potential hazards to people and property. Additionally, it is important to educate individuals who may be around these chemicals, even if they are only observing the processes, to ensure a comprehensive understanding of safety protocols.
The brittleness of plastic caused by nitric acid is a concern, and it underscores the importance of adhering to proper storage guidelines and taking the necessary precautions when handling and storing nitric acid. By following recommended practices, individuals can minimize the risks associated with the interaction between nitric acid and plastic and maintain a safe environment for themselves and others.
Caustic Soda and Plastic: A Dangerous Reaction?
You may want to see also
Explore related products
$8.14 $9.5

Plastic container wall thickness affects chemical resistance
Plastic containers are widely used for storage due to their low cost, structural strength, and impact resistance. They are also flexible and "breathable", making them ideal for long-term storage. However, it is important to note that different plastics have varying levels of resistance to chemicals. For example, polypropylene (PP) is suitable for use with alkaline solutions, fuels, and pesticides but will break down when exposed to concentrated acids like benzene.
Now, let's discuss how the wall thickness of plastic containers affects their chemical resistance. Firstly, thicker walls can provide increased protection against chemicals. This is because a thicker wall means more material for the chemical to penetrate, slowing down the rate at which the chemical can permeate through the container. Additionally, thicker walls can offer improved structural integrity, making the container less susceptible to physical damage that could lead to chemical exposure.
On the other hand, thinner walls have their own advantages. A thinner wall allows for greater flexibility, which can be beneficial when dealing with chemicals that expand or contract, as the container can more easily adapt to changes in volume. Thinner walls also result in reduced material usage, making the production process more cost-effective and environmentally friendly.
However, there are challenges associated with thinner walls. If the wall is too thin, it may not provide adequate resistance to the chemical, leading to faster degradation of the container. Additionally, thinner walls can increase the risk of warping or deformation during the production process, particularly during cooling, which can affect the container's structural integrity and, consequently, its resistance to chemicals.
Therefore, it is crucial to strike a balance when determining the wall thickness of plastic containers. The optimal thickness will depend on various factors, including the specific chemical being stored, the desired level of flexibility, and the production process. By considering these factors and selecting the appropriate thickness, manufacturers can ensure that their plastic containers provide effective chemical resistance while also meeting other performance and economic requirements.
Crest Toothpaste: Plastic-Free or Plastic-Full?
You may want to see also
Explore related products

Heat exposure can cause plastic bottles to shrink
Nitric acid reacting with plastic bottles can have adverse effects. While it may not cause plastic bottles to shrink, exposure to heat can. Heat exposure can cause plastic bottles to shrink, and this has important implications for the safety of those who use or come into contact with these bottles.
Firstly, it is crucial to understand that nitric acid should not be stored in plastic bottles. As evident in a forum post, a user shared their experience with storing commercial-grade nitric acid in a plastic soda bottle. Within two days, the bottle discoloured and, upon opening, the acid was forced out under pressure. This incident underscores the importance of storing nitric acid in appropriate containers, such as glass reagent bottles or stainless steel containers.
Now, turning to the impact of heat on plastic bottles, it is well-documented that exposure to extreme heat can cause plastic bottles to become unsafe over time. High temperatures accelerate the breakdown of chemical bonds in plastics, leading to an increased likelihood of chemicals leaching into the contained beverages or food. This phenomenon is known as "paneling," where the air inside a closed container cools and contracts, reducing internal pressure and triggering structural changes in the bottle.
The potential health risks associated with consuming beverages from plastic bottles exposed to extreme heat are significant. While the FDA asserts that the amounts of chemicals leached are too small to cause immediate health issues, the long-term effects of cumulative exposure are a concern. Antimony, a chemical used in manufacturing plastic, can be toxic in high doses. Experiments have shown that water bottles heated to temperatures above 150 degrees Fahrenheit for extended periods can exhibit unsafe levels of antimony and other toxic compounds like BPA.
To mitigate these risks, it is recommended to avoid persistent exposure to plastic containers left in extreme heat. Consumers are advised to keep water bottles covered when not in use, protecting them from direct sunlight. Additionally, it is crucial not to leave plastic bottles in hot cars, as temperatures can rise rapidly, accelerating the breakdown of chemical bonds and increasing the potential for harmful chemicals to leach into the contents.
In summary, while nitric acid may not directly cause plastic bottles to shrink, heat exposure can have this effect and poses a more significant concern. The potential health hazards associated with consuming contents from heat-exposed plastic bottles are significant, underscoring the importance of following recommended storage and usage guidelines for both nitric acid and plastic containers.
Plastic Ukulele Strings: Why Do Some Ukuleles Have Them?
You may want to see also
Frequently asked questions
No, it is not safe to store nitric acid in a plastic bottle. Plastic bottles can get brittle and discoloured from nitric acid and may even rupture and spray the contents over a considerable distance. Nitric acid should be stored in glass reagent bottles or stainless steel containers.
The concentration and purity of the chemical, working temperature, wall thickness, and condition of the container are some factors that affect the chemical resistance of a plastic product.
Nitric acid can cause the bottle to become brittle and discoloured. The bottle may also shrink or rupture, spraying the contents.
Yes, it is your responsibility to test a container and chemical together to ensure compatibility under your unique circumstances. However, it is still recommended that you use glass or steel containers for storage.








































