Calcium Carbide Lumps 50g

$12.00

Calcium Carbide – Technical Specifications

  • Chemical Name: Calcium Carbide
  • Chemical Formula: CaC₂
  • CAS Number: 75-20-7
  • Grade: Industrial/Technical Grade

Physical and Chemical Properties:

  • Appearance: Grayish-black, crystalline solid or lumpy material with a slight garlic-like odor (due to impurities).
  • Purity: Typically ranges from 80% to 85% CaC₂ by weight.
  • Free Carbon Content: Typically 10% to 15%.
  • Calcium Content: Approximately 65% to 70%.
  • Density: 2.22 g/cm³
  • Molecular Weight: 64.1 g/mol
  • Melting Point: 2,300°C (4,172°F)
  • Boiling Point: Decomposes before boiling.
  • Solubility: Reacts with water to produce acetylene gas and calcium hydroxide.
  • Acetylene Yield: 280-300 liters of acetylene gas per kilogram of CaC₂ (depending on purity and reaction conditions).

 

Description

Calcium Carbide is a gray or black solid substance that is commonly used in a variety of industrial applications. Upon contact with water, it reacts vigorously to produce acetylene gas (C₂H₂) and calcium hydroxide, making it an essential compound in welding, metal cutting, and various chemical processes. Calcium Carbide is also known for its role in producing acetylene gas for lighting and as a precursor in the production of chemicals and plastics.

Applications of Calcium Carbide:

  • Acetylene Gas Production – Produces acetylene gas for welding, cutting, and chemical synthesis (e.g., vinyl chloride, synthetic rubber).
  • Steelmaking – Used as a desulfurizing agent to remove sulfur impurities from molten iron.
  • Calcium Cyanamide Production – Produces nitrogen-based fertilizer and soil conditioner for agriculture.
  • Fruit Ripening Agent – Releases ethylene gas to ripen fruits like bananas and mangoes.
  • Carbide Slag – Used in the cement industry as a limestone substitute.
  • Chemical Manufacturing – Key raw material for acetic acid, vinyl acetate, and acrylonitrile.
  • Wastewater Treatment – Neutralizes acidic water and removes nitrogen compounds.
  • Fireworks & Explosives – Produces acetylene gas for fireworks and explosives.
  • Pest Control – Repels moles, rodents, and insects in agriculture.
  • Hydrogen Gas Production – Generates hydrogen gas for fuel cells and industrial use.

🔒 Storage Guidelines:

  • Store in a cool, dry, and well-ventilated area, away from moisture and water sources.
  • Keep the container tightly sealed to prevent exposure to air and humidity, which can cause dangerous reactions.
  • Store in non-reactive, airtight containers made of metal or high-density polyethylene (HDPE).
  • Do not store near water, acids, oxidizing agents, or flammable materials.
  • Recommended storage temperature: Between 15°C to 25°C (59°F to 77°F).
  • Store in a designated hazardous materials area, compliant with local regulations for flammable and reactive chemicals.

⚠️ Handling Precautions:

  • Avoid contact with water, as Calcium Carbide reacts with water to produce flammable acetylene gas.
  • Handle with protective gloves, safety goggles, and chemical-resistant clothing to avoid skin and eye contact.
  • Ensure the work area is well-ventilated to prevent the buildup of acetylene gas.
  • Do not smoke or use open flames near Calcium Carbide, as acetylene gas is highly flammable.
  • Use non-sparking tools to handle Calcium Carbide to reduce the risk of ignition.
  • Avoid inhaling dust or fumes generated during handling.

🚫 Avoid:

  • Avoid moisture or water contact, including high humidity, to prevent gas production.
  • Do not store  near acids, oxidizers, or flammable substances.
  • Avoid open flames, sparks, and static electricity in areas where Calcium Carbide is handled or stored.
  • Do not store near food or drink.

🛢 Container Management:

  • Store in airtight, moisture-proof containers.
  • Ensure containers are clearly labeled with hazard warnings, product name, and batch number.
  • Regularly inspect containers for any signs of damage, corrosion, or leaks.
  • Keep off the ground and store in dry, elevated areas to avoid accidental contact with water.

♻️ Disposal Guidelines:

Dispose  in accordance with local, regional, and national regulations for hazardous chemical waste.

  • Do not pour Calcium Carbide into drains or water sources.
  • Use a certified hazardous waste disposal contractor for proper disposal.