Ketene is a highly reactive, colorless gas with the chemical formula C2H2O. It is an important industrial chemical, primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Ketene is produced through the controlled oxidation of acetic acid or the pyrolysis of acetic anhydride. Due to its high reactivity, ketene readily undergoes addition reactions with various nucleophiles, making it a valuable building block in organic synthesis. It is also known for its pungent, irritating odor and can cause severe eye and respiratory irritation upon exposure.
63-51-4
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Basic information
- Product Name: KETENE
- Synonyms: KETENE
- CAS NO:63-51-4
- Molecular Formula: C2H2O
- Molecular Weight: 42.04
- EINECS: N/A
- Product Categories: N/A
- Mol File: 63-51-4.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: KETENE(CAS DataBase Reference)
- NIST Chemistry Reference: KETENE(63-51-4)
- EPA Substance Registry System: KETENE(63-51-4)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 63-51-4(Hazardous Substances Data)
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63-51-4 Usage
Uses
Used in Chemical Synthesis:Ketene is used as an acetylating agent in the chemical industry, reacting with compounds that have an active hydrogen atom. This property makes it a versatile starting point for the synthesis of various commercially important products, such as acetic anhydride and acetate esters.
Used in Pharmaceutical Industry:
Ketene is used as a starting material for the production of acetamide when it reacts with ammonia. KETENE has applications in the pharmaceutical industry for the development of various drugs and therapeutic agents.
Used in Polymer Industry:
Due to its reactivity with unsaturated compounds, ketene is used in the polymer industry to create cyclic compounds, which can be further utilized in the synthesis of polymers with specific properties.
Hazard
Toxic by inhalation, strong irritant to skin and mucous membranes.Check Digit Verification of cas no
The CAS Registry Mumber 63-51-4 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 6 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.Calculate Digit Verification of CAS Registry Number 63-51:
(4*6)+(3*3)+(2*5)+(1*1)=44
44 % 10 = 4
So 63-51-4 is a valid CAS Registry Number.
63-51-4Upstream product
63-51-4Downstream Products
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