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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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134-81-6 BENZIL 98% (PHOTOPOLYMERIZATION CATALYST)

  • BENZIL 98% (PHOTOPOLYMERIZATION CATALYST)
  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong ,Hong kong
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134-81-6 Dibenzoyl

  • Dibenzoyl
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany ,Germany
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134-81-6 Benzil

  • China Chemrio International Limited [Manufacturer]
  • Tel: +86 574 2789 1268/ +86-139 5789 5864 (mobile)
  • Fax: +86 574 2789 1266
  • Address: Chemrio International Limited
    Room 611-612, Wante Business Center
    No.487 Yangmuqi Road,
    Hi-tech Park Ningbo, 315040,China ,China
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134-81-6 Benzil

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134-81-6 BENZIL

  • United States Aceto Corp. [Manufacturer]
  • Tel: 516-627-6000
  • Fax: 516-627-6093
  • Address: One Hollow Lane
    Lake Success, NY 11042-1215 ,United States
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134-81-6 Benzil

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134-81-6 2269 BENZIL

  • United States Parish Chemical Company [Manufacturer]
  • Tel: (801) 226-2018
  • Fax: (801) 226-8496
  • Address: Parish Chemical Company
    PO Box 277
    Orem, UT 84059-0277 ,United States
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134-81-6 Benzil

  • Benzil
  • Hong kong Frapp's Pharma (Hongkong) Co.,Ltd [Manufacturer]
  • Tel: +852 8130 0917
  • Fax: +852 8130 0927
  • Address: Room 801,Mongkok Harbour Centre,638 Shanghai Street,Mongkok,Kowloon,Hongkang518001 MongkokHONG KONG Mongkok,Hong kong
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134-81-6 Benzil, 98%

  • Benzil, 98%
  • Belgium Alkemi [Manufacturer]
  • Tel: +32 9 340 49 49
  • Fax: +32 9 340 49 47
  • Address: Poststraat, 82 B-9160 Lokeren Belgium ,Belgium
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134-81-6 Benzil

  • Benzil
  • China Sunkingchem Pharmaceutical Co., Ltd. [Manufacturer]
  • Tel: +86-28-88007744
  • Fax: +86-28-85193812
  • Address: A-703, Gaofa Building, Jiuxing Road 6#, Hi-Tech Zone 610041, Chengdu, Sichuan, China.610041 ChengduCHINA Chengdu,China
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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.