Jan 12, 2026

What Is Dry Ice?

dry ice pallet

We’ve all seen it — the swirling, mystical fog that rolls off a witch’s cauldron at a Halloween party or creates a dramatic, smoky reveal for a high-end cocktail at a luxury bar in Dallas. It captures the imagination immediately. It looks like magic, but it is actually pure science. This substance, known as Dry Ice, is a powerhouse tool for everything from theatrical effects to critical medical transport.

For us here at Emergency Ice, this isn’t just a party trick; it is a vital part of the cooling industry that keeps North Texas running. Whether you are a restaurant owner in Fort Worth trying to keep inventory fresh during a freezer breakdown or an event planner in Dallas looking for that “wow” factor, understanding this unique substance is key.

Let’s explore the fascinating world of solid carbon dioxide. We will break down exactly What is dry ice, how it defies the standard laws of melting, and the myriad of ways it is used across industries. We will also cover the crucial safety protocols for handling dry ice — because unlike regular water ice, this stuff demands respect. Finally, we will guide you on Where to purchase dry ice to ensure you are getting a high-quality product from a reliable Dry ice supplier.

What Is Dry Ice? The Science of Sublimation

To understand dry ice, we have to go back to high school chemistry class for a moment. Most of us are used to the three states of water: solid (ice), liquid (water), and gas (steam). But Dry Ice is different. It is the solid form of carbon dioxide (CO2).

Carbon dioxide is the gas we exhale every time we breathe and the gas plants use for photosynthesis. To create dry ice, this gas is captured and pressurized until it turns into a liquid. Then, the pressure is rapidly reduced, causing the liquid to expand and freeze instantly into a “snow-like” consistency. This snow is then compressed into the blocks or pellets you see in the market.

What makes it truly unique — and gives it the name “dry” ice — is a process called sublimation. At standard atmospheric pressure, dry ice does not melt into a liquid. Instead, it transitions directly from a solid state to a gas. This happens at an incredibly low temperature of -109.3 degrees Fahrenheit (-78.5 degrees Celsius).

Because of this extreme cold and the lack of liquid residue, it is a vastly superior cooling agent for specific scenarios compared to traditional water ice. There is no puddle to clean up, no soggy cardboard boxes, and no water damage to sensitive cargo. It is clean, efficient, and aggressively cold.

What Is Dry Ice Used For? Beyond the Fog Effect

When people ask What is dry ice used for, the first thing that comes to mind is often special effects. And while we love a good fog machine, the applications go far deeper than entertainment. In the bustling economy of the DFW metroplex, dry ice is a workhorse.

The Culinary and Hospitality World

For our restaurant and bar owners in Deep Ellum or Uptown, dry ice is a game-changer.

  • Presentation: Mixologists use food-grade dry ice to create smoking cocktails that bubble and hiss, providing a multisensory experience for guests. It adds a level of theater that justifies a premium price point.
  • Flash Freezing: Chefs use it to flash-freeze berries, herbs, or ice cream. Because the freezing happens so instantly, ice crystals don’t have time to form within the food’s cell structure, preserving the texture and flavor perfectly.

Shipping and Logistics

In a hot Texas summer, shipping perishable goods is a nightmare without the right cooling agent. Dry ice is the standard for transporting:

  • Frozen Food: It keeps steaks, ice cream, and pre-made meals frozen rock-solid for days.
  • Medical Supplies: It is critical for transporting biological samples, vaccines, and plasma that must stay at sub-zero temperatures to remain viable.

Industrial Cleaning

This is a lesser-known but fascinating use. “Dry ice blasting” is a cleaning method similar to sandblasting but non-abrasive. Small pellets of dry ice are shot at surfaces to remove rust, paint, or grease. Upon impact, the pellets sublimate, expanding and lifting the dirt off the surface without leaving any secondary waste (like sand or water) behind.

Emergency Situations

As our name suggests, we know a thing or two about emergencies. When power grids fail during a storm, Dry Ice can save a restaurant’s inventory. Placing blocks of dry ice in a walk-in freezer can maintain freezing temperatures for 24 to 48 hours, saving business owners thousands of dollars in spoiled food.

Safety First | Handling the Cold

Because Dry Ice is -109.3°F, it falls into a category of hazardous materials if not handled correctly. You cannot treat it like the ice cubes in your lemonade.

Skin Protection is Mandatory

Touching dry ice with bare skin can cause severe frostbite within seconds. The extreme cold kills skin cells almost instantly, similar to a heat burn. We always advise using heavy-duty leather gloves or using tongs when handling blocks or pellets. Never, under any circumstances, let dry ice touch your bare hands or mouth.

Ventilation is Key

As dry ice sublimates, it releases carbon dioxide gas. In an open space, like an outdoor patio or a large warehouse, this harmlessly disperses into the air. However, in a small, enclosed space — like a car with the windows rolled up, or a small walk-in cooler — the CO2 can displace oxygen. This can lead to dizziness, shortness of breath, and eventually unconsciousness.

  • Transport Tip: If you are picking up dry ice in your personal vehicle, always crack a window to ensure fresh airflow.
  • Storage Tip: Never store dry ice in a working walk-in freezer while you are inside it with the door closed for long periods.

How To Store Dry Ice | Extending the Life of the Ice

One of the most common questions we get is, “Can I store this in my home freezer?” The answer is generally no. Your home freezer typically operates around 0°F. Since dry ice is -109.3°F, your freezer is actually hotter than the dry ice. Placing it inside will cause your freezer’s thermostat to shut off (thinking it is already cold enough), potentially thawing your other food, while the dry ice continues to sublimate.

The Cooler Method

The best way to store dry ice is in an insulated cooler. A high-quality Styrofoam cooler or a dedicated insulated container works best.

  1. Insulate: Wrap the dry ice in newspaper or paper bags. This “insulation within insulation” slows down the sublimation rate.
  2. Minimize Air Space: Fill any empty gaps in the cooler with wadded-up newspaper or towels. “Dead air” space speeds up sublimation.
  3. Keep it Closed: Every time you open the lid, warm air rushes in and speeds up the process. Keep the lid tight, but…

The Golden Rule of Storage

NEVER store dry ice in an airtight container. As the solid turns to gas, it expands to 800 times its original volume. If it is in a sealed jar or a cooler that is latched too tightly without a vent, the pressure creates a potential bomb. The container can explode with dangerous force. Always leave the lid slightly cracked or use a cooler that is not airtight. 

How To Dispose of Dry Ice | Let It Go

Once your event is over or your shipment has arrived, you might be left with extra dry ice. You might be tempted to toss it in the sink or the trash can. Please do not do this.

Do Not Flush It

Throwing dry ice into a sink, toilet, or garbage disposal is a recipe for disaster. The extreme cold can crack ceramic toilet bowls, freeze the water in the p-trap of your sink, and burst your pipes.

Do Not Throw It in the Trash

If you throw it in a regular trash can, you risk the gas building up if the bag is tied shut. Plus, the extreme cold can make plastic trash cans brittle and crack.

The Right Way

The best way to dispose of dry ice is to let nature take its course.

  1. Take the cooler outside to a well-ventilated area.
  2. Open the lid.
  3. Let it sublimate away into the atmosphere.
  4. Keep it away from children and pets while it disappears.

It is really that simple. It leaves no puddle, no residue, and no mess.

Where To Purchase Dry Ice In Texas | Finding a Reliable Partner

If you are wondering where to purchase dry ice in the North Texas area, consistency and availability are your biggest factors. You might find small amounts at some grocery stores, but they often run out, or the blocks have sublimated down to slivers by the time you buy them.

For businesses and event planners, you need a dedicated Dry ice supplier. You need a partner who understands the logistics of the cold chain.

Emergency Ice — Your DFW Solution

Since 1971, Emergency Ice has been the backbone of the North Texas ice industry. Paul Toler founded this company on the principles of reliability and family values, and we have grown to cover everything from cocktail ice to industrial cooling solutions.

We offer reliable Dry ice delivery directly to your venue, restaurant, or loading dock. We understand that in the heat of a Texas summer, timing is everything. Our fleet is equipped to handle the transport safely, ensuring that when the product arrives, you get the full weight you paid for, not a block that has half-vanished in transit.

Whether you need a few blocks for a Halloween party or a recurring commercial order for shipping logistics, we have the capacity to scale with you. We serve the entire Dallas-Fort Worth metroplex, providing not just product, but peace of mind.

Stay Cool with Confidence | Emergency Ice

Dry Ice is a phenomenal tool. It allows for medical miracles in transport, culinary creativity in the kitchen, and operational resilience during power outages. But it requires knowledge to use safely and effectively. By understanding the science of sublimation, the importance of ventilation, and the rules of storage, you can harness the power of -109.3°F without the risk.

We hope this guide has demystified the fog for you. Whether you are looking to create a spooky atmosphere or keep a pallet of steaks frozen, we are here to help you execute your plan flawlessly.

Do not leave your cooling needs to chance. If you need a reliable Dry ice supplier in Dallas, Fort Worth, or the surrounding areas, contact us today. From one-time event deliveries to regular commercial routes, Emergency Ice is ready to serve.

Click here to schedule your Dry ice delivery with Emergency Ice now!

Frequently Asked Questions

Q. How long does dry ice last?

Dry ice sublimates (turns into gas) constantly. In a typical insulated cooler, you can expect to lose about 5 to 10 pounds of dry ice every 24 hours. Therefore, it is best to purchase or schedule your Dry ice delivery as close to the time you need it as possible.

Q. Is dry ice edible?

No, dry ice is never edible. Swallowing even a small piece can cause severe internal frostbite and injury. However, “food-grade” dry ice can be used in drinks to cool and carbonate them, provided the solid ice is removed or fully sublimated before the drink is consumed.

Q. Can I touch dry ice with oven mitts?

While oven mitts offer some protection, they are designed for heat, not extreme cold, and are often porous. It is much safer to use thick leather gloves or insulated rubber gloves specifically designed for handling dangerous materials. Never use wet gloves, as they can freeze to your skin and the ice.