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Substance Name: Ketene
RN: 463-51-4
UNII: LEP3SM032A
InChIKey: CCGKOQOJPYTBIH-UHFFFAOYSA-N

Classification Codes

  • TWA (0.5 ppm); STEL (1.5 ppm)
  • TWA 0.5 ppm (0.9 mg/m3)

Molecular Formula

  • C2-H2-O

Molecular Weight

  • 42.0368
 
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Names and Synonyms

Name of Substance

  • Ketene

Synonyms

  • Carbomethene
  • EINECS 207-336-9
  • Ethenone
  • HSDB 633
  • Ketene
  • Keto-ethylene
  • UNII-LEP3SM032A

Systematic Names

  • Ethenone
  • Ketene

Superlist Names

  • Ethenone
  • Ketene

Registry Numbers

CAS Registry Number

  • 463-51-4

FDA UNII

  • LEP3SM032A

Other Registry Numbers

  • 32834-27-8
  • 32834-35-8

System Generated Number

  • 0000463514

Structure Descriptors

InChI

1S/C2H2O/c1-2-3/h1H2

InChIKey

CCGKOQOJPYTBIH-UHFFFAOYSA-N

Smiles

C(=C)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LCLo inhalation 750ppm/10M (750ppm) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 209, 1949.
guinea pig LCLo inhalation 53ppm/2H (53ppm) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES
Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 209, 1949.
monkey LCLo inhalation 200ppm/10M (200ppm) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA
Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 209, 1949.
mouse LCLo inhalation 23ppm/30M (23ppm) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 209, 1949.
rabbit LCLo inhalation 53ppm/2H (53ppm) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA
Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 209, 1949.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -1.51E+02 deg C   EXP
Boiling Point -4.98E+01 deg C   EXP
log P (octanol-water) -0.520 (none)   EST
Water Solubility 3.63E+05 mg/L 25 EST
Vapor Pressure 1.04E+04 mm Hg 25 EXP
Atmospheric OH Rate Constant 1.73E-11 cm3/molecule-sec 25 EXP

Physical property data is provided to ChemIDplus by SRC, Inc.