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CAS No 886-38-4 , 2,3-diphenylcycloprop-2-en-1-one Search by region : China

  • Name: 2,3-diphenylcycloprop-2-en-1-one
  • Synonyms: diphenyl-;Diphencyprone; Cyclopropenone; 2,3-Diphenylcycloprop-2-en-1-one;2,3-diphenylcycloprop-2-en-1-one; 2,3-Diphenylcyclopropenone; 886-38-4;
  • CAS Registry Number:
  • Density: 1.232 g/cm3
  • Refractive index: 1.668
  • Water Solubility: insoluble in water
  • Safety Statements: R43:Maycausesensitizationbyskincontact.;
  • Hazard Symbols: Xi:Irritant;
  • EINECS: 212-948-4
  • Molecular Weight: 206.2393
  • InchiKey: HCIBTBXNLVOFER-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H10O/c16-15-13(11-7-3-1-4-8-11)14(15)12-9-5-2-6-10-12/h1-10H
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: C15H10O
  • Molecular Structure:CAS No:886-38-4 2,3-diphenylcycloprop-2-en-1-one

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886-38-4 Diphenylcyclopropenone

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References of 2,3-diphenylcycloprop-2-en-1-one
Title: Diphencyprone
CAS Registry Number: 886-38-4
CAS Name: 2,3-Diphenyl-2-cyclopropen-1-one
Synonyms: 1,2-diphenylcyclopropenone; DPC
Molecular Formula: C15H10O
Molecular Weight: 206.24
Percent Composition: C 87.35%, H 4.89%, O 7.76%
Literature References: Contact allergen, possibly the smallest neutral aromatic specie. Prepn: R. Breslow et al., J. Am. Chem. Soc. 81, 247 (1959). Crystal structure: H. L. Ammon, ibid. 95, 7093 (1973). Strain energy: A. Greenberg et al., ibid. 105, 6855 (1983). Mechanism of photodissociation: Y. Hirata, N. Mataga, Chem. Phys. Lett. 193, 287 (1992). Report as contact sensitizer: B. M. Hausen, J. Stute, Chem. Ind. 1980, 699. Clinical evaluation in alopecia totalis: B. Monk, Clin. Exp. Dermatol. 14, 154 (1989); of children with alopecia areata: S. MacDonald Hull et al., Br. J. Dermatol. 125, 164 (1991). Review of clinical efficacy: E. Hoting, A. Boehm, ibid. 127, 625-629 (1992).
Properties: Crystallizes as monohydrate from cyclohexane, mp 87-90°. d 1.202 g/cm3. uv max (CH3CN): 297, 282, 226, 220 nm (log e 4.3, 4.25, 4.13, 4.16). mp (anhydrous): 118-120°.
Melting point: mp 87-90°; mp (anhydrous): 118-120°
Absorption maximum: uv max (CH3CN): 297, 282, 226, 220 nm (log e 4.3, 4.25, 4.13, 4.16)
Density: d 1.202 g/cm3
Therap-Cat: Antialopecia agent.
Keywords: Antialopecia Agent.