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CAS No 106-51-4 , cyclohexa-2,5-diene-1,4-dione

  • Name: cyclohexa-2,5-diene-1,4-dione
  • Synonyms: p-benzoquinone; 1,4-BENZOQUINONE; Benzoquinone; Quinone; 2,5-Cyclohexadiene-1,4-dione; Cyclohexadienedione; Chinone; p-Quinone; 106-51-4;cyclohexa-2,5-diene-1,4-dione;
  • CAS Registry Number:
  • Transport: UN 2587
  • Melting Point: 112-116 ºC
  • Flash Point: 38 ºC
  • Boiling Point: 293 ºC
  • Density: 1.318
  • Refractive index: n20/D 1.453
  • Water Solubility: 10 G/L (25 ºC)
  • Safety Statements: R23/25;R36/37/38;R50
  • Hazard Symbols: N: Dangerous for the environment;T: Toxic;
  • Flash Point: 38 ºC
  • EINECS: 203-405-2
  • Molecular Weight: 108.09476
  • InchiKey: AZQWKYJCGOJGHM-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H4O2/c7-5-1-2-6(8)4-3-5/h1-4H
  • Risk Statements: S26;S28A;S45;S61
  • Molecular Formula: C6H4O2
  • Molecular Structure:CAS No:106-51-4 cyclohexa-2,5-diene-1,4-dione
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106-51-4 Para-benzoquinone

  • CAT NO:CS20528,chemical name:Benzoquinone,CAS NO:106-51-4,Purity:98%,MF:C6H4O2,MW:108.09,Link:http://www.molcore.com/product/106-51-4.html
  • China Hangzhou molcore Biopharmatech Co., Ltd [Manufacturer, Trading Company]
  • Tel: 86--17767106207
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  • Address: Joinhands Sci Park No.4028 Nanhuan RD Hangzhou,China. Hangzhou,ZhejiangChina
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106-51-4 p-Benzoquinone; 98%

  • p-Benzoquinone; 98%
  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
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106-51-4 p-Benzoquinone (PBQ)

  • Dear Customers, If you want to learn more information of this product, please send E-mail to : sales@tjzxchem.com , Our sales team will reply you within 24 hours. Also you could contact our sales team directly by Tel or Fax as following: Tel.:+86 (0)...
  • China Tianjin Zhongxin Chemtech Co., Ltd. [Manufacturer]
  • Tel: 86-022-87529028
  • Address: 10b, Pan China International Center TIANJIN,TianjinChina
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106-51-4 P-BENZOQUINONE CP(99%)

  • P-BENZOQUINONE CP(99%)
  • 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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106-51-4 p-Benzochinone

  • p-Benzochinone
  • 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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106-51-4 3842.7-K-IO P-BENZOQUINONE

  • Germany Campro Scientific GmbH [Manufacturer]
  • Tel: +49.(0)30.629.01.89.0 (Germany)/ +31.(0)318.529.437 (Netherlands)
  • Fax: +49.(0)30.629.01.89.89
    +31.(0)318.542.181
  • Address: Campro Scientific GmbH
    Postfach 36 20 65
    D-10972 Berlin
    Germany
    Tel. +49.(0)30.629.01.89.0
    Fax +49.(0)30.629.01.89.89
    info@campro.eu ,Germany
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106-51-4 P-BENZOQUINONE

  • Norway Chiron AS [Manufacturer]
  • Tel: +47 73 87 44 90
  • Fax: +47 73 87 44 99
  • Address: Chiron AS
    Stiklestadveien 1
    N-7041 Trondheim
    Norway ,Norway
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106-51-4 1,4-Benzoquinone

  • China Watson International Ltd. []
  • Tel: +86-(512)-55117610
  • Fax: +86-(512)-55117630
  • Address: Room 1209, Asia Pacific Plaza, Huaqiao International Business Park, Kunshan, Jiangsu 215332, ,China
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106-51-4 BENZOQUINONE FOR SYNTHESIS

  • Germany AppliChem GmbH [Manufacturer]
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: AppliChem GmbH
    Ottoweg 4
    64291 Darmstadt
    Germany ,Germany
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106-51-4 1,4-Chinone

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References of cyclohexa-2,5-diene-1,4-dione
Title: Quinone
CAS Registry Number: 106-51-4
CAS Name: 2,5-Cyclohexadiene-1,4-dione
Synonyms: p-quinone; 1,4-benzoquinone; 1,4-cyclohexadienedione
Molecular Formula: C6H4O2
Molecular Weight: 108.09
Percent Composition: C 66.67%, H 3.73%, O 29.60%
Literature References: Made by oxidation of aniline with sodium dichromate in presence of sulfuric acid. Laboratory prepn from hydroquinone: Vliet, Org. Synth. 2, 85 (1922); also Org. Synth. coll. vol. I (2nd ed., 1941). Cf. Underwood, Walsh, ibid. 16, 73 (1936). Toxicity study: Woodard et al., Fed. Proc. 8, 348 (1949).
Properties: Yellow monoclinic prisms from water or petr ether. Penetrating odor resembling that of chlorine. Irritating vapors. d420 1.318. mp 115.7°. Sublimes [sublimation velocities in vacuo: Kempf, J. Prakt. Chem. [2] 78, 236 (1908)]. Volatile with steam. Absorption spectrum: Hantzsch, Ber. 49, 522 (1916). Dipole moment: 0.67. Polemic over correct values: Paoloni, J. Am. Chem. Soc. 80, 3879 (1958). Slightly sol in water; sol in alcohol, ether, hot petr ether, alkalies. LD50 orally in rats: 130 mg/kg (Woodard).
Melting point: mp 115.7°
Density: d420 1.318
Toxicity data: LD50 orally in rats: 130 mg/kg (Woodard)
CAUTION: Potential symptoms of overexposure are eye and skin irritation, conjunctivitis; keratitis. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 272.
Use: Oxidizing agent; in photography; manuf dyes; manuf hydroquinone; tanning hides; making gelatin insol; strengthening animal fibers; as reagent.