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CAS No 134-81-6 , 1,2-diphenylethane-1,2-dione

  • Name: 1,2-diphenylethane-1,2-dione
  • Synonyms: Diphenylethanedione; diphenyl-; 134-81-6;1,2-diphenylethane-1,2-dione; Ethanedione; Diphenylglyoxal;Dibenzoyl; 1,2-Diphenylethane-1,2-dione; Bibenzoyl;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 94-97 ºC
  • Boiling Point: 346-348 ºC
  • Density: 346
  • Refractive index: 1.594
  • Water Solubility: 0.5 G/L (20 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29143900
  • EINECS: 205-157-0
  • Molecular Weight: 210.228
  • InchiKey: WURBFLDFSFBTLW-UHFFFAOYSA-N
  • InChI: InChI=1S/C14H10O2/c15-13(11-7-3-1-4-8-11)14(16)12-9-5-2-6-10-12/h1-10H
  • Risk Statements: S26;S36;S37/39
  • Molecular Formula: C14H10O2
  • Molecular Structure:CAS No:134-81-6 1,2-diphenylethane-1,2-dione

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References of 1,2-diphenylethane-1,2-dione
Title: Benzil
CAS Registry Number: 134-81-6
CAS Name: Diphenylethanedione
Synonyms: bibenzoyl; dibenzoyl; diphenylglyoxal; diphenyl-a,b-diketone
Molecular Formula: C14H10O2
Molecular Weight: 210.23
Percent Composition: C 79.98%, H 4.79%, O 15.22%
Literature References: Prepd by the oxidation of benzoin, C6H5CH(OH)COC6H5, with HNO3 or with a copper sulfate-pyridine mixture: Adams, Marvel, Org. Synth. vol. I, p 25 (1921); Clarke, Dreger, ibid. coll. vol. I, 80 (87, 2nd ed); Hatt et al., J. Chem. Soc. 1936, 93; L. F. Fieser, Experiments in Organic Chemistry (Boston, 3rd ed, 1955) p 173; Organic Experiments (Boston, 1964) p 214.
Properties: Yellow prisms (trigonal trapezohedral) from alcohol. d415 1.23. mp 95°. bp760 346-348°; bp12 188°. Absorption spectrum: Hantzsch, Schwiete, Ber. 49, 216 (1916). uv max (ethanol): 260 nm (e 22000). Infrared in chloroform: 5.93; 6.22; 6.85 m. Insol in water; sol in alcohol, ether, chloroform, ethyl acetate, benzene, toluene, nitrobenzene.
Melting point: mp 95°
Boiling point: bp760 346-348°; bp12 188°
Absorption maximum: uv max (ethanol): 260 nm (e 22000)
Density: d415 1.23
 
Derivative Type: a-Benzilmonoxime
Molecular Formula: C14H11NO2
Molecular Weight: 225.24
Percent Composition: C 74.65%, H 4.92%, N 6.22%, O 14.21%
Properties: Leaflets from 30% alc, mp 137-138°.
Melting point: mp 137-138°
 
Derivative Type: b-Benzilmonoxime
Molecular Formula: C14H11NO2
Molecular Weight: 225.24
Percent Composition: C 74.65%, H 4.92%, N 6.22%, O 14.21%
Properties: Solvated needles from benzene, when dry mp 113-114°.
Melting point: mp 113-114°
 
Derivative Type: Disemicarbazone
Molecular Formula: C16H16N6O2
Molecular Weight: 324.34
Percent Composition: C 59.25%, H 4.97%, N 25.91%, O 9.87%
Properties: Leaflets from alc, dec 243-244°.
 
Use: In organic syntheses.