Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Ketene
Alias: Ethenone; Carbomethene
CAS No. : 463-51-4
Molecular Formula: C2H2O
Molecular Weight: 42.04 g/mol
Classification: Highly reactive unsaturated organic compound; Acylating raw material; Fine chemical intermediate
Physical & Chemical Properties
Appearance: Colorless gas
Odor: Strong pungent irritating odor
Solubility: Reacts with water, alcohol, ammonia; Insoluble in saturated hydrocarbons
Stability: Extremely unstable, prone to dimerization; Easy to polymerize and decompose at high temperature; Avoid water, alkali, open flame and heat source
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Ketene | — | Reactive intermediate |
| CAS No. | 463-51-4 | — | Industrial grade |
| Appearance | Colorless gas | — | Compressed gas |
| Molecular Formula | C2H2O | — | Unsaturated ketene |
| Molecular Weight | 42.04 | g/mol | — |
| Purity | ≥95.0 | % | GC |
Main Uses
- Raw material for acetic anhydride, acetyl compounds and esterification synthesis.
- Used as high-efficiency acylating agent in pharmaceutical, pesticide and dye industry.
- Applied in production of vinyl ketone derivatives and polymer monomers.
- Used for organic synthetic derivation and fine chemical custom synthesis.
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