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CAS No 92-24-0 , tetracene

  • Name: tetracene
  • Synonyms: Chrysogen; Benz[b]anthracene; 2,3-Benzanthracene; 2,3-Benzanthrene; 92-24-0;tetracene; Benz(b)anthracene; Rubene;TETRACENE;
  • CAS Registry Number:
  • Melting Point: >300 ºC
  • Flash Point: 209.1°C
  • Boiling Point: 436.7°C at 760 mmHg
  • Density: 1.19g/cm3
  • Refractive index: 1.771
  • Safety Statements: R50/53
  • Hazard Symbols: N: Dangerous for the environment;
  • Flash Point: 209.1°C
  • EINECS: 202-138-9
  • Molecular Weight: 228.28788
  • InchiKey: IFLREYGFSNHWGE-UHFFFAOYSA-N
  • InChI: InChI=1S/C18H12/c1-2-6-14-10-18-12-16-8-4-3-7-15(16)11-17(18)9-13(14)5-
    1/h1-12H
  • Risk Statements: S60;S61
  • Molecular Formula: C18H12
  • Molecular Structure:CAS No:92-24-0 tetracene
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92-24-0 Naphthacene

  • Naphthacene
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
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    93128 Regenstauf
    Germany null,nullGermany
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92-24-0 NAPHTHACENE

  • NAPHTHACENE
  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong null,nullHong kong
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References of tetracene
Title: Naphthacene
CAS Registry Number: 92-24-0
Synonyms: Tetracene; 2,3-benzanthracene; rubene; chrysogen
Molecular Formula: C18H12
Molecular Weight: 228.29
Percent Composition: C 94.70%, H 5.30%
Literature References: Occurs in coal tar. Contaminates commercial anthracene to which it imparts a yellow color. Isoln: Cook et al., Proc. Roy. Soc. London B111, 455 (1932). Isoln from crude anthracene by chromatography: Winterstein et al., Z. Physiol. Chem. 230, 159 (1934). Synthesis by condensing succinic acid and phthalic anhydride in the presence of sodium acetate: Gabriel, Michael, Ber. 10, 1559, 2207 (1877); 11, 1682 (1878); Roser, Ber. 17, 2744 (1884); Nathanson, Ber. 26, 2582 (1893); Gabriel, Leupold, Ber. 31, 1159, 1272 (1898); Wanag, Ber. 70, 274 (1937); from 1-naphthol and phthalic anhydride: Deichler, Weizmann, Ber. 36, 547, 719 (1903); DE 298345 (1916); from 1,5-dihydroxynaphthalene and phthalic anhydride: Bentley et al., J. Chem. Soc. 91, 411, 1588 (1907); from tetralin and phthalic anhydride: Schroeter, Ber. 54, 2242 (1921); DE 346673 (1918); cf. Fieser, J. Am. Chem. Soc. 53, 2329 (1931). Other syntheses: Coulson, J. Chem. Soc. 1935, 77; Weizmann et al., ibid. 1939, 398.
Properties: Orange leaflets from xylene. d 1.35. Sublimes in vacuo. mp 341° (open capillary tube), mp 357° (copper block). Absorption spectrum: Clar, Ber. 69, 607 (1936). Fluorescence maxima: Krishman, Seshan, Z. Kristallogr. 89, 538 (1934). Difficultly sol in most solvents. Solns show slight green fluorescence in daylight. Does not form a picrate.
Melting point: mp 341° (open capillary tube); mp 357° (copper block)
Density: d 1.35