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CAS No 120-72-9 , 1H-indole

  • Name: 1H-indole
  • Synonyms: 1-Azaindene; Indol; 2,3-Benzopyrrole; Benzopyrrole; Ketole;1H-indole;1H-Indole; 2,3-Benzopyrole; 1-Benzazole; 120-72-9;
  • CAS Registry Number:
  • Transport: UN 2811 6.1/PG 3
  • Melting Point: 51-54 ºC
  • Flash Point: 136 ºC
  • Boiling Point: 253-254 ºC
  • Density: 1.22
  • Refractive index: 1.68
  • Water Solubility: 2.80 G/L (25 ºC)
  • Safety Statements: R21/22;R36
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 136 ºC
  • EINECS: 204-420-7
  • Molecular Weight: 117.14788
  • InchiKey: SIKJAQJRHWYJAI-UHFFFAOYSA-N
  • InChI: InChI=1S/C8H7N/c1-2-4-8-7(3-1)5-6-9-8/h1-6,9H
  • Risk Statements: S26;S36/37/39
  • Molecular Formula: C8H7N
  • Molecular Structure:CAS No:120-72-9 1H-indole

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References of 1H-indole
Title: Indole
CAS Registry Number: 120-72-9
Synonyms: 2,3-Benzopyrrole
Molecular Formula: C8H7N
Molecular Weight: 117.15
Percent Composition: C 82.02%, H 6.02%, N 11.96%
Literature References: Obtained from the 240-260° fraction from coal tar: Weissgerber, Ber. 43, 3520 (1910); from feces: Bergeim, J. Biol. Chem. 32, 17 (1917). Prepn from o-formotoluide: Tyson, Org. Synth. coll. vol. III, 479 (1955); by dehydrocyclizing ortho alkyl anilines: Erner et al., US 2953575 (1960 to Houdry Process); from N-(2-tolyl)-N￠-methyl-N￠-phenylformamidine: Lorenz et al., J. Org. Chem. 30, 2531 (1965). Toxicity data: Smyth et al., Am. Ind. Hyg. Assoc. J. 23, 95 (1962). Comprehensive review: Van Order, Lindwall, Chem. Rev. 30, 69 (1942); D. W. Bannister in Kirk-Othmer Encyclopedia of Chemical Technology vol. 13 (Wiley-Interscience, New York, 3rd ed., 1981) pp 213-222.
Properties: Leaflets, mp 52°. bp762 253°; bp28 128-133°. Intense fecal odor. Volatile with steam. Soluble in hot water, hot alcohol, ether, benzene. LD50 orally in rats: 1 g/kg (Smyth).
Melting point: mp 52°
Boiling point: bp762 253°; bp28 128-133°
Toxicity data: LD50 orally in rats: 1 g/kg (Smyth)
Use: In highly dil solns the odor is pleasant, hence indole has been used in perfumery.