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CAS No 1081-34-1 , 2,5-dithiophen-2-ylthiophene

  • Name: 2,5-dithiophen-2-ylthiophene
  • Synonyms: 2,5-dithiophen-2-ylthiophene; CHEBI:10335;2,2':5',2''-Terthiophene; ST50307309; alpha-Terthiophene; 2,2',5',2''-Terthienyl; 2,5-Di(2-thienyl)thiophene; 1081-34-1;
  • CAS Registry Number:
  • Melting Point: 93-95 ºC
  • Density: 1.318 g/cm3
  • Refractive index: 1.672
  • Water Solubility: insoluble in water
  • Safety Statements: R36/37/38,
  • Hazard Symbols: F: Flammable;
  • Molecular Weight: 248.38692
  • InchiKey: KXSFECAJUBPPFE-UHFFFAOYSA-N
  • InChI: InChI=1S/C12H8S3/c1-3-9(13-7-1)11-5-6-12(15-11)10-4-2-8-14-10/h1-8H
  • Risk Statements: S22;S24/25
  • Molecular Formula: C12H8S3
  • Molecular Structure:CAS No:1081-34-1 2,5-dithiophen-2-ylthiophene

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References of 2,5-dithiophen-2-ylthiophene
Title: a-Terthienyl
CAS Registry Number: 1081-34-1
CAS Name: 2,2￠:5￠2￠￠-Terthiophene
Synonyms: 5-(2-thienyl)-2,2￠-bithiophene
Molecular Formula: C12H8S3
Molecular Weight: 248.39
Percent Composition: C 58.03%, H 3.25%, S 38.73%
Literature References: Biocidal constituent of various species of marigolds. Isoln from Tagetes erecta L., Compositae: L. Zechmeister, J. W. Sease, J. Am. Chem. Soc. 69, 273 (1947). Isoln and distribution in Tageteae: K. R. Downum, G. H. N. Towers, J. Nat. Prod. 46, 98 (1983). Synthesis: W. Steinkopf et al., Ann. 546, 180 (1941); H. J. Kooreman, H. Wynberg, Rec. Trav. Chim. 86, 37 (1967); J.-P. Beny et al., J. Org. Chem. 47, 2201 (1982). Biological activity as nematocide: J. H. Uhlenbroek, J. D. Bijloo, Rec. Trav. Chim. 77, 1004 (1958); J. D. Bijloo et al., DE 1075891; eidem, US 3050442 (1960, 1962, both to North American Philips); J. Bakker et al., J. Biol. Chem. 254, 1841 (1979); as herbicide: J. Harvey, Jr., US 3086854 (1963 to Du Pont); G. Campbell et al., J. Chem. Ecol. 8, 961 (1982); as antimicrobial: J. R. Kagan et al., Photochem. Photobiol. 31, 465 (1980); T. Arnason et al., ibid. 33, 821 (1981); F. DiCosmo et al., Pestic. Sci. 13, 589 (1982).
Properties: Yellow-orange plates from methanol, mp 93-94°. uv max (methanol): 254, 350 nm (e 7100, 21300). Sol in carbon bisulfide, ether, benzene, acetone, petr ether; slightly sol in methanol, ethanol. Insol in water.
Melting point: mp 93-94°
Absorption maximum: uv max (methanol): 254, 350 nm (e 7100, 21300)