| Customization: | Available |
|---|---|
| CAS No.: | 75-20-7 |
| Formula: | Cac2 |
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| Calcium carbide Chemical Properties Calcium carbide (CaC2) is a pivotal inorganic compound known for its industrial form as gray-black block-like material, often displaying purple or gray cross-sections. When exposed to water, it undergoes an energetic reaction, producing acetylene gas and releasing heat. Primarily, it's employed for two key purposes: as a source of acetylene gas with applications in welding, cutting, and fuel, and as a raw material in organic synthesis for chemicals like vinyl chloride and synthetic resins. |
| Melting point | 447°C |
| Boiling point | 2300°C |
| density | 2.22 g/mL at 25 °C(lit.) |
| storage temp. | water-free area |
| form | pieces |
| color | Gray-black |
| Specific Gravity | 2.22 |
| Water Solubility | hydrolyses |
| Sensitive | Moisture Sensitive |
| Merck | 14,1656 |
| BRN | 3909011 |
| Stability: | Stability Reacts violently with water liberating highly flammable gas (acetylene). Do not use water if this material is involved in a fire. Incompatible with moisture, water, strong oxidizing agents, alcohols, hydrogen chloride, magnesium. |
| ITEM | INDEX | |||||
| Gas Yield 20°C 101.3 Kpa L/kg ≥ |
Size | Gas Yield | Size percentage | Ash,% | ||
| Top | A Grade | Accept Grade | ||||
| 80-120mm | 300 | 295 | 280 | ≥90 | ≤1 | |
| 50-80mm | 300 | 295 | 280 | ≥90 | ≤1 | |
| 25-50mm | 300 | 295 | 280 | ≥90 | ≤1 | |
| 15-25mm | 300 | 285 | 260 | ≥90 | ≤1 | |
| 7-15mm | 290 | 270 | 250 | ≥90 | ≤1 | |
| 4-7mm | 280 | 260 | 240 | ≥90 | ≤1 | |
| 2-4mm | 260 | 240 | 220 | ≥90 | ≤1 | |
| PH3 %(V/V) ≤ | 0.08 | |||||
| H2S %(V/V) ≤ | 0.1 | |||||
| Quality Standard | GB10665-2004 | |||||
Gas yield:295L/kg min In 50/100 kg drum
Calcium carbide has several specific uses, and here are some primary applications:
1.Acetylene Gas Production: Calcium carbide is a major source of acetylene gas. When calcium carbide reacts with water, it generates acetylene gas. Acetylene gas finds widespread use in welding, cutting, metal processing, as well as in lighting and heating.
2.Organic Synthesis: As a chemical raw material, calcium carbide is employed in the production of various organic compounds. For example, it can be used to synthesize vinyl chloride, chloroprene rubber, synthetic resins, and more.
3.Oxyacetylene Welding: The acetylene gas produced from calcium carbide, when mixed with oxygen, is utilized in oxyacetylene welding, extensively applied in metal welding and cutting.
4.Calcium Cyanamide Production: Calcium carbide can also be used to produce calcium cyanamide, a chemical fertilizer used for plant growth.
5.Desulfurizing Agent: In some industries, calcium carbide acts as a desulfurizing agent, helping to reduce sulfur oxide emissions from combustion.
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