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CAS No 92761-26-7 , Bicyclo[2.2.1]heptane-1-methanesulfonicacid, 3,3'-(1,4-phenylenedimethylidyne)bis[7,7-dimethyl-2-oxo-

  • Name: Bicyclo[2.2.1]heptane-1-methanesulfonicacid, 3,3'-(1,4-phenylenedimethylidyne)bis[7,7-dimethyl-2-oxo-
  • Synonyms: Bicyclo[2.2.1]heptane-1-methanesulfonicacid, 3,3'-(1,4-phenylenedimethylidyne)bis[7,7-dimethyl-2-oxo-;Ecamsule;Mexoryl SX; Terephthalylidene-3,3'-dicamphor-10,10'-disulfonic acid;
  • CAS Registry Number:
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.424g/cm3
  • Refractive index: 1.63
  • Safety Statements:
    Hazard Codes Xi
    Risk Statements 41
    Safety Statements 26-39
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: °C
  • EINECS: 410-960-6
  • Molecular Weight: 0
  • InChI: InChI=1/C28H34O8S2/c1-25(2)21-9-11-27(25,15-37(31,32)33)23(29)19(21)13-17-5-7-18(8-6-17)14-20-22-10-12-28(24(20)30,26(22,3)4)16-38(34,35)36/h5-8,13-14,21-22H,9-12,15-16H2,1-4H3,(H,31,32,33)(H,34,35,36)/b19-13-,20-14-
  • Risk Statements: 41
  • Molecular Formula: C28H34 O8 S2
  • Molecular Structure:CAS No:92761-26-7 Bicyclo[2.2.1]heptane-1-methanesulfonicacid, 3,3'-(1,4-phenylenedimethylidyne)bis[7,7-dimethyl-2-oxo-

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92761-26-7 Bicyclo[2.2.1]heptane-1-methanesulfonicacid, 3,3'-(1,4-phenylenedimethylidyne)bis[7,7-dimethyl-2-oxo-

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References of Bicyclo[2.2.1]heptane-1-methanesulfonicacid, 3,3'-(1,4-phenylenedimethylidyne)bis[7,7-dimethyl-2-oxo-
Title: Ecamsule
CAS Registry Number: 92761-26-7
CAS Name: 3,3￠-(1,4-Phenylenedimethylidyne)bis[7,7-dimethyl-2-oxo-bicyclo[2.2.1]heptane-1-methanesulfonic acid]
Synonyms: terephthalylidene-3,3￠-dicamphor-10,10￠-disulfonic acid
Trademarks: Mexoryl SX (L'Oreal)
Molecular Formula: C28H34O8S2
Molecular Weight: 562.69
Percent Composition: C 59.77%, H 6.09%, O 22.75%, S 11.40%
Literature References: Broad spectrum UVA absorber with some UVB absorption. Prepn: G. Lang et al., DE 3321679; eidem, US 4585597 (1983, 1986 both to L'Oreal). Evaluation of photomutagenicity: S.W. Dean et al., Mutagenesis 7, 179 (1992). Evaluation of photoprotection: A. Fourtanier et al., Photochem. Photobiol. 55, 549 (1992); R. D. Ley, A. Fourtanier, ibid. 65, 1007 (1997).
Properties: Solid, mp 255° (dec). uv max (ethanol): 345 nm (e 47000 M-1cm-1); uv max (water): 342 nm (e 42300).
Melting point: mp 255° (dec)
Absorption maximum: uv max (ethanol): 345 nm (e 47000 M-1cm-1); uv max (water): 342 nm (e 42300)
Therap-Cat: Ultraviolet screen.
Keywords: Ultraviolet Screen.