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CAS No 83-72-7 , 4-hydroxynaphthalene-1,2-dione

  • Name: 4-hydroxynaphthalene-1,2-dione
  • Synonyms: 2-Hydroxy-1,4-naphthoquinone;4-hydroxynaphthalene-1,2-dione; Mendi; Mehendi; Henna; Lawson; HANA; 2-Hydroxynaphthoquinone; 83-72-7;
  • CAS Registry Number:
  • Melting Point: 192-195 ºC
  • Flash Point: 192
  • Density: 1.46 g/cm3 (25 C)
  • Water Solubility: 2 G/L (20 ºC)
  • Safety Statements: R22;R36;R68
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 192
  • EINECS: 201-496-3
  • Molecular Weight: 174.15284
  • InchiKey: WVCHIGAIXREVNS-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H6O3/c11-8-5-9(12)10(13)7-4-2-1-3-6(7)8/h1-5,11H
  • Risk Statements: S26;S36/37/39
  • Molecular Formula: C10H6O3
  • Molecular Structure:CAS No:83-72-7 4-hydroxynaphthalene-1,2-dione

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References of 4-hydroxynaphthalene-1,2-dione
Title: Lawsone
CAS Registry Number: 83-72-7
CAS Name: 2-Hydroxy-1,4-naphthalenedione
Synonyms: 2-hydroxy-1,4-naphthoquinone
Molecular Formula: C10H6O3
Molecular Weight: 174.15
Percent Composition: C 68.97%, H 3.47%, O 27.56%
Literature References: From leaves of Lawsonia inermis L. and L. alba Lam., Lythraceae: Latif, Indian J. Agric. Sci. 29, No. 2-3, 147 (1959), C.A. 55, 14828g (1961). Synthesis: Fieser, J. Am. Chem. Soc. 70, 3165 (1948); Jain, Seshadri, Proc. Indian Acad. Sci. 35A, 233 (1952); Eistert, Müller, Ber. 92, 2071 (1959).
Properties: Yellow prisms from acetic acid, dec 195-196°.
Therap-Cat: Ultraviolet screen.
Keywords: Ultraviolet Screen.