Calcium carbide, also known as Calcium Acetylide is an Industrial Chemical, used for the production of acetylene and calcium cyanamide.
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Calcium carbide
Following are the application of Calcium carbide:
Calcium carbide has the molecular formula CaC2.
Contact of skin with calcium carbide can be irritating and burning. Exposure to the eyes is even more hazardous because it can cause severe burns and perhaps permanent damage. Likewise, inhaling a tiny amount of this chemical might irritate the lungs, whereas increased exposure can result in a build-up of fluid in the lungs, causing pulmonary edema, a medical emergency. Above all, calcium carbide is carcinogenic to humans and should be avoided to the greatest extent possible.
In industries, calcium carbide can be produced by combining lime and coke in an electric arc furnace at a high temperature of around °C. It is also a byproduct of calcium-silicon alloy smelting.
Calcium carbide has a garlic-like odor and looks like a grayish-black hard lump or crystalline powder. In its pure condition, however, it is frequently colorless.
Calcium carbide
Calcium carbide is non-combustible itself, but it poses a fire and explosion threat. When exposed to water or moisture, it forms a flammable acetylene gas along with other poisonous gases. Even when the air is moist, a container of calcium carbide can burst in fire, emitting hazardous fumes.
To avoid any undesired situation, calcium carbide should only be stored and handled by a skilled professional. Adequate industrial hygiene procedures and the use of protective equipment are essential at all times. Furthermore, personal protective equipment should be composed of materials that won’t be decayed or infiltrated by this chemical.
The reaction of Calcium carbide is usually exothermic which causes the release of a tremendous amount of heat even when reacted with water. However, when heated at high temperatures, calcium carbide reacts with nitrogen to produce cyanamide, which is used as a fertilizer.
Calcium carbide decomposes in water to form acetylene gas and calcium hydroxide.
Here at Camachem, Calcium carbide is for sale. If you need a large quantity of these chemicals, they can be shipped in iron drums of various capacities. Camachem has been directly exporting Calcium carbide to consumers all over the world.
Calcium carbide Packaging
The price is usually affected by the cost of raw materials, logistics, and other industrial inputs. The cost per tonne is approximately $150.00.
Calcium carbide cost
Calcium carbide is extremely basic, having ph. of roughly 12.4, and is, therefore, used for acid neutralization.
Although calcium carbide is not an electrolytic compound, it is utilized as an anode in some applications.
Since it is strongly encouraged not to let calcium carbide enter the environment, it should be reused as much as possible. In the event of a spill or disposal, it should be sealed and disposed of according to federal, state, and municipal rules.
These two compounds have vastly different appearances, availability, and manufacturing processes. Calcium carbide is a dark crystal powder that reacts aggressively with water, whereas calcium carbonate is a white substance that is insoluble in water. Similarly, how these two compounds are used differ.
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Calcium Carbide is a chemical made of carbon and calcium, it's a grayish-black sand-like (crystalline) substance but white when pure. The chemical formula of Calcium Carbide is (Ca(C2)). It has a garlic-like odor.
Calcium Carbide is often used as a reducing agent, in generating acetylene gas, and to manufacture steel. In ancient times, calcium Carbide was used as a source of acetylene flame in carbide lamps. Presently, these lamps are used in powering beacons and lighthouses, and for cave exploration.
Calcium Carbide can also be used in developing chemical technologies, most eminent synthetic rubber. Calcium carbide can also be used in making acetylene black, vinyl chloride, acetic acid, acrylonitrile, ethylene, acetone, synthetic raisins, and styrene. Calcium carbide is also used in metallurgy, reducing the sulfur and oxygen content(desulfuration) and deoxidizing metals. The production of Calcium carbide is now at an all-time high worldwide.
With all of these usefulness of Calcium Carbide, It also poses some dangers to human health when not handled properly. Here are some of the hazards of the chemical.
Calcium Carbide is a flammable chemical. It is prone to cause explosions and fire hazards when exposed. If exposed to moisture or water it produces acetylene gas which is also flammable and can be ignited.
Calcium Carbide is a chemical that if it comes in contact with your eyes can skin cause severe damage. If calcium carbide comes in contact with your eyes, it can cause severe irritation and burns with likely permanent damage.
Calcium carbide also causes skin irritation, skin rashes, burning on contact, and redness.
Exposure to Calcium Carbide is likely to have some effects on health. The short-term health issues that might arise might include irritation of the lungs causing shortness of breath and/or coughing. When highly exposed there's a possibility of fluid build-up in the lungs causing severe shortness of breath. Exposure can also lead to irritation of the nose, mouth, and throat.
The only confirmed long-term effect of Calcium Carbide is bronchitis which causes shortness of breath, phlegm, and coughing. Calcium Carbide hasn't been confirmed for its ability to cause any cancer or reproductive hazard.
When Calcium Carbide reacts with water, acetylene is released.
2H₂O + CaC₂ → C₂H₂↑ + Ca(OH)₂
Acetylene is an industrial chemical that has a unpleasant smell, caused by the impurities in it such as NH₃, H₂S, PH₃, and others. When acetylene is in its pure form it's a colorless gas and is characterized by a faint smell, and dissolves in water.
To demonstrate how calcium carbide reacts with water, a simple experiment can be carried out;
This experiment is dangerous because there's a possibility of the bottle bursting as a result of the chemical reaction and the experiment should be carried out while observing safety precautions.
The reaction of Calcium Carbide with water can also be demonstrated with a modified form using a 6L bottle. The materials needed must be weighed properly, because the greater the bottle radius, the lesser the pressure the container can withstand.
To prevent explosion, the Calcium Carbide to be used must be properly measured. Calcium Carbide's molar mass is about 64g/mol. 64g of carbide is expected to yield about 22.4 L of acetylene.
The bottle should be able to withstand 5 atmospheres; to carry out this experiment, use about 0.5.L of water and 64g of calcium carbide. Place the calcium carbide in a small bag. Push the small bag into the bottle, then close the bottle with the use of a stopper quickly. The reaction of water and Calcium Carbide goes on for some minutes, the bottle swells, and the process is followed by loud bangs, but the bottle should be able to withstand it.
After acetylene has been released completely, place a hot rag already soaked in hexdecane on the stopper, then move to a safe distance. You'll see a bright yellowish flash, and a flame fountain of about 4 meters high would rise from the bottle. This will warp the bottle and burn the stopper, but the bottle should be intact. The experiment must be carried out in open air, far from any explosive and flammable objects. Ensure safety precautions are observed.
Calcium Carbide is a toxic chemical and should be handled with care whilst handling. You should always wear protective clothing at all times. Avoid direct skin contact with the chemical. Wear protective clothing that can't be degraded or permeated by Calcium Carbide.
Protective clothing such as headgear, footwear, gloves, and suits should be cleaned every time. Ensure you wear eye protection also with goggles or side shields. Respirators should remain on at all times because inhaling the chemical can be disastrous.
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