Calcium Carbide Lumps 50g

$12.00

Chemical Information

  • Chemical Name: Calcium Carbide
  • CAS Number: 75-20-7
  • Molecular Formula: CaC₂
  • Molecular Weight: 64.10 g/mol
  • Appearance: Grey to black solid lumps or powder
  • Odor: Strong, garlic-like odor due to trace phosphine impurities
  • Purity: 80-98% (Varies by grade)

Physical & Chemical Properties

  • Density: 2.22 g/cm³
  • Melting Point: 2,160°C (3,920°F)
  • Boiling Point: Decomposes before boiling
  • Solubility: Reacts violently with water to produce acetylene gas
  • Reactivity: Strong reducing agent, highly reactive with moisture
  • Gas Yield: 280-300 L/kg of acetylene gas

Mechanical & Stability Properties

  • Thermal Stability: Stable under dry conditions
  • Oxidation Resistance: Decomposes in humid environments
  • Volatility: Non-volatile in solid state, highly reactive with water
  • Compatibility: Reacts with acids, oxidizers, and water-containing materials

 

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:

1. Acetylene Gas Production

  • Welding & Cutting: Used in oxy-acetylene torches for metal cutting and welding.
  • Acetylene Generators: Produces high-purity acetylene gas for various industrial uses.
  • Flame Hardening & Metal Processing: Used in industrial heating applications.

2. Metallurgical & Industrial Uses

  • Steelmaking & Iron Production: Used as a reducing agent in steel manufacturing.
  • Desulfurizing Agent: Removes impurities from molten iron and steel.
  • Foundry & Metal Casting: Enhances carbon content in metal alloys.

3. Agriculture & Soil Treatment

  • Fertilizer Production: Precursor for calcium cyanamide, used in soil conditioning.
  • Weed & Pest Control: Applied in biopesticide formulations.
  • Fruit Ripening Agent: Used in controlled-release applications for fruit maturation.

4. Chemical Synthesis & Industrial Processing

  • Carbide Lamps: Generates acetylene gas for mining and underground lighting.
  • Calcium Hydroxide Production: Forms slaked lime (Ca(OH)₂) for construction and chemical applications.
  • Synthetic Rubber & Polymer Production: Acts as a key intermediate in specialty plastics manufacturing.
  • Nanotechnology & Advanced Materials: Used in carbon nanostructure synthesis.

🔒 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.

 

 

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