Home > Name List By 2 > 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3, 7-dione

CAS No 1400-62-0 , 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,
7-dione

  • Name: 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,
    7-dione
  • Synonyms: ST50826392; NCIStruc2_001941; NSC-610930; Pacein; NCIStruc1_000110; 1400-62-0; AC1NTQKG; ZINC01611596;2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,
    7-dione; NSC610930;Orcein;
  • CAS Registry Number:
  • Density: 1.56 g/cm3
  • Refractive index: 1.764
  • Water Solubility: insoluble in water
  • Safety Statements: 37/39-26 24 25 28A 45
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 215-750-6
  • Molecular Weight: 500.49936
  • InchiKey: VPEASJIRGSVXBF-UHFFFAOYSA-N
  • InChI: InChI=1S/C28H24N2O7/c1-11-5-15(31)7-17(33)25(11)29-27-13(3)23-21(9-19
    (27)35)37-22-10-20(36)28(14(4)24(22)23)30-26-12(2)6-16(32)8-18(26)34/h5-
    10,29-34H,1-4H3
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: C28H24N2O7
  • Molecular Structure:CAS No:1400-62-0 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,<br />7-dione

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References of 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,
7-dione
Title: Orcein
CAS Registry Number: 1400-62-0
Literature References: A dye first prepared from lichens (cudbear, q.v., or archil). Prepn by oxidation of orcinol with H2O2 in the presence of ammonia water: Zulkowski, Peters, Monatsh. Chem. 11, 227 (1890). Can be separated into 14 dyes by distribution chromatography: Musso, Ber. 89, 1659 (1956). The eight compds depicted are the major components of orcein; b- and g-components are cis-trans isomers of the same compd. Structure studies: Beecken et al., Angew. Chem. 73, 665 (1961). Brief review: H. J. Conn's Biological Stains, R. D. Lillie, Ed. (Williams & Wilkins, Baltimore, 9th ed., 1977) pp 400-403. Review of use as textile dye and histological stain for elastin: H. Puchter, S. N. Meloan, Histochemistry 64, 119 (1979).
Properties: Brownish-red microcryst powder. Practically insol in water, benzene, chloroform, ether, carbon disulfide. Sol in alcohol, acetone or acetic acid with red color, in dil aq alkali with bluish-violet color.
Use: Biological stain.