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CAS No 135-48-8 , pentacene Search by region : Norway

  • Name: pentacene
  • Synonyms: lin-Naphthoanthracene;pentacene; AG-D-72547; 2,3:6,7-Dibenzanthracene;135-48-8; Benzo[b]naphthacene; lin-Dibenzanthracene; Benzo(b)naphthacene;
  • CAS Registry Number:
  • Melting Point: 372-374 ºC (SUBL.)
  • Density: 1.232 g/cm3
  • Refractive index: 1.811
  • Safety Statements: 24/25
  • EINECS: 205-193-7
  • Molecular Weight: 278.34656
  • InchiKey: SLIUAWYAILUBJU-UHFFFAOYSA-N
  • InChI: InChI=1S/C22H14/c1-2-6-16-10-20-14-22-12-18-8-4-3-7-17(18)11-21(22)13-19
    (20)9-15(16)5-1/h1-14H
  • Risk Statements: S24/25
  • Molecular Formula: C22H14
  • Molecular Structure:CAS No:135-48-8 pentacene

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References of pentacene
Title: Pentacene
CAS Registry Number: 135-48-8
Synonyms: Benzo[b]naphthacene; 2,3,6,7-dibenzoanthracene; lin-naphthoanthracene
Molecular Formula: C22H14
Molecular Weight: 278.35
Percent Composition: C 94.93%, H 5.07%
Literature References: Synthesis from m-xylene or from 4-benzyl-1,3-dimethylbenzene and benzoyl chloride in presence of aluminum chloride or from terephthalyl chloride and o-tolylmagnesium bromide: Clar, John, Ber. 62, 940 (1929); 63, 2967 (1930); 64, 981 (1931). Synthesis by reduction of 6,13-pentacenequinone: Bruckner et al., Tetrahedron Lett. 1960, no. 1, 5; Bruckner, Tomasz, Acta Chim. Acad. Sci. Hung. 28(4), 405 (1961). Structure: Campbell et al., Acta Crystallogr. 14, 705 (1961).
Properties: Deep blue needles with violet luster from hot nitrobenzene. Sublimes in CO2 stream under reduced pressure at ~300° (Clar, John, loc. cit.). In presence of air dec >300°. Practically insol in water; sparingly sol in organic solvents. Note: Anthracene (3 linear rings) is colorless; naphthacene (4 linear rings) is orange; pentacene (5 linear rings) is blue; hexacene (6 linear rings) is green.