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CAS No 527-17-3 , 2,3,5,6-tetramethylcyclohexa-2,5-diene-1,4-dione Search by region : Germany

  • Name: 2,3,5,6-tetramethylcyclohexa-2,5-diene-1,4-dione
  • Synonyms: Tetramethyl-1,4-benzoquinone; p-Benzoquinone;2,3,5,6-tetramethylcyclohexa-2,5-diene-1,4-dione; 2,3,5,6-tetramethyl-; Tetramethylquinone;Tetramethyl-p-benzoquinone; 527-17-3;
  • CAS Registry Number:
  • Melting Point: 110-112 ºC(lit.)
  • Flash Point: 83.6 ºC
  • Boiling Point: 230.1 ºC at 760 mmHg
  • Density: 1.039 g/cm3
  • Refractive index: 1.493
  • Safety Statements: Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: 83.6 ºC
  • EINECS: 208-409-8
  • Molecular Weight: 164.20108
  • InchiKey: WAMKWBHYPYBEJY-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H12O2/c1-5-6(2)10(12)8(4)7(3)9(5)11/h1-4H3
  • Risk Statements: 36/37/38
  • Molecular Formula: C10H12O2
  • Molecular Structure:CAS No:527-17-3 2,3,5,6-tetramethylcyclohexa-2,5-diene-1,4-dione

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527-17-3 TETRAMETHYL-1,4-BENZOQUINONE; 98%

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527-17-3 DUROQUINONE

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References of 2,3,5,6-tetramethylcyclohexa-2,5-diene-1,4-dione
Title: Duroquinone
CAS Registry Number: 527-17-3
CAS Name: 2,3,5,6-Tetramethyl-2,5-cyclohexadiene-1,4-dione
Synonyms: tetramethyl-p-benzoquinone
Molecular Formula: C10H12O2
Molecular Weight: 164.20
Percent Composition: C 73.15%, H 7.37%, O 19.49%
Literature References: Prepn by reduction of dinitrodurene: Smith, Org. Synth. vol. 10, 40 (1930); Smith, Dobrovolny, J. Am. Chem. Soc. 48, 1420 (1926); by condensation of 2,3-diketopentane with itself in presence of alkalies: von Pechmann, Ber. 21, 1420 (1888); by the action of alkalies on 3,3-dichloropentan-2-one: Faworsky, J. Prakt. Chem. [2] 51, 538 (1895).
Properties: Yellow needles from alc, mp 111-112°. Sublimes. Volatile with steam. Insol in water; sol in alcohol, benzene, ether, hot petr ether.
Melting point: mp 111-112°