Home > Name List By e > ethenone

CAS No 463-51-4 , ethenone

  • Name: ethenone
  • Synonyms: Ethenone; Ethylenone; 463-51-4;ethenone; EINECS 207-336-9; KETEN; Keto-ethylene; KETENE; 12071-23-7; HSDB 633; Carbomethene;
  • CAS Registry Number:
  • Transport: 1955
  • Melting Point: -150ºC
  • Flash Point: °C
  • Boiling Point: -56ºC
  • Density: 0.712 g/cm3
  • Refractive index: 1.303
  • Water Solubility: REACTS with water
  • Safety Statements: Poison by inhalation. Moderately toxic by ingestion. Can cause pulmonary edema. Reacts with hydrogen peroxide to form the explosive diacetyl peroxide. When heated to decomposition it emits acrid smoke and fumes.
  • Hazard Symbols: Toxic by inhalation, strong irritant to skin and mucous membranes. TLV: TWA 0.5 ppm; STEL 1.5 ppm.
  • Flash Point: °C
  • EINECS: 207-336-9
  • Molecular Weight: 42.03668
  • InchiKey: CCGKOQOJPYTBIH-UHFFFAOYSA-N
  • InChI: InChI=1S/C2H2O/c1-2-3/h1H2
  • Molecular Formula: C2H2O
  • Molecular Structure:CAS No:463-51-4 ethenone

Related products

Search by region :

Select to

463-51-4 ketene

  • India Triveni Chemicals null
  • Tel: +91-(260)-2400022, 3258683
  • Fax: +91-(260)-2400022/3264008
  • Address: 135, Pancharatna, Char Rasta, G.I.D.C., Vapi, Gujarat 396 195, null,nullIndia
Contact Supplier

463-51-4 Ethenone

Contact Supplier

463-51-4 KETENE)

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
  • Tel: +86 25 8369-7070/ +86 138 51816776 (Mobile)
  • Fax: +86 25 8345-3275
  • Address: Rm.902 Longyin Plaza,
    No. 217 Zhongshan Rd.
    (N)Nanjing 210009,China null,nullChina
Contact Supplier

Select to

1/1
References of ethenone
Title: Ketene
CAS Registry Number: 463-51-4
CAS Name: Ethenone
Synonyms: carbomethene
Molecular Formula: C2H2O
Molecular Weight: 42.04
Percent Composition: C 57.14%, H 4.80%, O 38.06%
Line Formula: CH2=C=O
Literature References: Prepd by the thermal decompn of acetone, diketene or acetic anhydride: Hurd, Org. Synth. coll. vol. I, 330 (2nd ed., 1941); S. Andreades, H. D. Carlson, ibid. coll. vol. V, 679 (1973). Structure of ketene dimer as 3-buteno-b-lactone: Blomquist, Baldwin, J. Am. Chem. Soc. 70, 29 (1948); Hurd, Blanchard, ibid. 72, 1461 (1950); Katz, Lipscomb, J. Org. Chem. 17, 515 (1953). Toxicology: J. F. Treon et al., J. Ind. Hyg. Toxicol. 31, 209 (1949). Review on the prepn of stable ketenes: R. S. Ward in The Chemistry of Ketenes, Allenes and Related Compounds Part 1,, S. Patai, Ed. (Wiley, New York, 1980) pp 223-277; on synthetic uses of ketenes: W. T. Brady, ibid. pp 279-308.
Properties: Gas. Penetrating odor. mp -150°. bp -56°. Electron diffraction pictures: Beach, Stevenson, J. Chem. Phys. 6, 75 (1938). Fairly sol in acetone. All operations with ketene should be carried out in an efficient hood (Andreades, Carlson).
Melting point: mp -150°
Boiling point: bp -56°
CAUTION: Potential symptoms of overexposure are irritation of skin, eyes, nose, throat and respiratory system; pulmonary edema. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 184.
Use: For the conversion of higher acids into their anhydrides; for acetylation in the manuf of cellulose acetate and aspirin.