Calcium Carbide

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CC0045-500G CC0045-100G
470300-534EA 113.59 USD
470300-534 470300-532
Calcium Carbide
Chemicals for Science Education
CAS Number: 75-20-7
Formula: CaC2
Density: 2.20 g/mL
Freezing Point: 1700 to 2300°C
Solubility: Water
Synonyms: Acetylene Oxygen, Carbide
Shelf Life: 36 Months

Note: The chemical specifications for some items on this product page may differ from the specifications listed above. For more information, consult the Safety Data Sheet or contact your Ward's representative.

Delivery information: This product is designed for educational and teaching laboratories, and no certificate of analysis is available.

Caution: The product is flammable and corrosive.




This disposal method is published for your convenience. You MUST have checked with your federal, state, and local regulations before using this method and these methods are only applicable for small laboratory sized quantities.

Use a lab apron, chemical resistant gloves and goggles before following the below method to dispose of hazardous waste.

 1. Fill a large, 1-L beaker ¾ full with water in a fume hood.
 2. Slowly add the carbide granules to the beaker of water with stirring.
  a. Flammable gas will be produced, make sure the fume hood is running and there are no ignition sources present.
 3. Wait for 6 hours.
 4. Neutralize the basic mixture with dilute hydrochloric acid to about a pH of 7.
 5. Decant the neutral solution and pour the final solution the drain with at least a 20-fold excess of water.
 6. Leave the precipitate out to dry for 24 hours and then package it for disposal in a landfill.