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CAS No 123-31-9 , benzene-1,4-diol

  • Name: benzene-1,4-diol
  • Synonyms: benzene-1,4-diol; p-Hydroquinone; hydroquinol; Benzoquinol;1,4-benzenediol; p-Benzenediol; Benzene-1,4-diol; Quinol; 1,4-Dihydroxybenzene;
  • CAS Registry Number:
  • Transport: UN 2662
  • Melting Point: 170-174 ºC
  • Flash Point: 165 ºC
  • Boiling Point: 285-287 ºC
  • Density: 1.332
  • Refractive index: 1.689
  • Water Solubility: 70 G/L (20 ºC)
  • Safety Statements: R22;R40;R41;R43;R50;R68
  • Hazard Symbols: Xn: Harmful;N: Dangerous for the environment;
  • HS Code: 29072210
  • Flash Point: 165 ºC
  • EINECS: 204-617-8
  • Molecular Weight: 110.11064
  • InChI: InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
  • Risk Statements: S26;S36/37/39;S61
  • Molecular Formula: C6H6O2
  • Molecular Structure:CAS No:123-31-9 benzene-1,4-diol
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123-31-9 Hydroquinone

  • Appearance and character: hydroquinone is white needle crystal, soluble in hot water, ethanol and ether, slightly soluble in benzene, insoluble in cold water. Dangerous goods categories: 9 dangerous goods Alias: quinovic powder, Kononi Grade and cont...
  • Min. Order: 300
  • China Jinan Shijitongda Chemical Co.,Ltd [Trading Company]
  • Tel: 86-0531-85917598
  • Address: Room 809, Sanlian Business Center, No. 409, Beiyuan AV., Tianqiao District, Jinan, jinan,ShandongChina
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123-31-9 MF: C6H6O2 Hydroquinone

  • Basic Info Name:Hydroquinone Apearance:White Powder CAS:123-31-9 MF:C6H6O2 MW:110.11 Shipment:Air/Sea/EMS,DHL,TNT,UPS,Fedx Package:25kg/Cardboard Barrel Payment: Bank Transfer,Bitcoin,WU,MoneyGram Trademark:YuanChen Origin:China Price:fluctuated Emai...
  • Min. Order: 1000
  • China Yuan Chen Co. Ltd [Manufacturer]
  • Tel: 86-027-50756092
  • Address: 496 Zhongshan Road Wuhan,HubeiChina
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123-31-9 Hydroquinone Skype bran at ycphar dot com

  • Basic Info Name:Hydroquinone Apearance:White Powder CAS:123-31-9 MF:C6H6O2 MW:110.11 Shipment:Air/Sea/EMS,DHL,TNT,UPS,Fedx Package:25kg/Cardboard Barrel Payment: Bank Transfer,Bitcoin,WU,MoneyGram Trademark:YuanChen Origin:China Price:fluctuated Emai...
  • Min. Order: 1000
  • China YuanChen Co. Ltd [Manufacturer]
  • Tel: 86-5075-6206
  • Fax: --
  • Address: 496 ZhongShan Road. Wuhan,HubeiChina
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123-31-9 Hydroquinone

  • Product Name: Hydroquinone Synonyms: 1,4-Benzenediol (hydroquinone);1,4-Dihydroxy-benzeen;1,4-Dihydroxybenzen;1,4-dihydroxybenzen(czech);1,4-Dihydroxy-benzol;1,4-Diidrobenzene;4-Hydroxyphenol;alpha-hydroquinone CAS: 123-31-9 EINECS: 204-617-8 MF: C6H...
  • China Zhuzhou Yuancheng Hezhong Technology Development Co., Ltd. [Manufacturer, Trading Company]
  • Tel: 86-731-22292056
  • Address: No. 388, Huangshan Rd, Tianyuan District, Zhuzhou City, Hunan Province, P.R.China. zhuzhou,HunanChina
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123-31-9 Hydroquinone

  • Hydroquinone English Name: Hydroquinone Chinese alias: 1,4- hydroquinone; 1,4- two hydroxy benzene diphenol p-hydroxybenzoate; 1,4-; Characters: white needle crystal. Soluble in water, ethanol, slightly soluble in benzene. CAS RN:123-31-9 EINECS:204-...
  • Min. Order: 1000
  • China Hubei Yuancheng Pharmaceutical Tech. Co., Ltd. [Manufacturer]
  • Tel: 86-027-50756235
  • Address: No.496,Zhongshan Road wuhan,HubeiChina
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123-31-9 99% Organic Chemicals Hydroquinone CAS 123-31-9

  • Quick Detail: Product Name: Hydroquinone EINECS: 204-617-8 CAS Registry Number: 123-31-9 Synonyms: 1,4-Benzenediol; Quinol; Hydroxyquinone; 1,4-Dihydroxybenzene Purity: 99% Place of Origin: Wuhan, China Brand Name: HE ZHONG Product Description: Appea...
  • China Wuhan Hezhong Bio-Chemical Manufacture Co., Ltd [Manufacturer, Trading Company]
  • Tel: 86-27-50756226
  • Fax: --
  • Address: No. 496, Zhongshan Road, Wuchang District, Wuhan 430064, China. Wuhan,HubeiChina
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123-31-9 hydroquinone--4-(methylamino)phenol (1:2)

  • White or grayish white powder crystals used as photographic developer and dye intermediate
  • China Aqua Wyoming Inc [Trading Company]
  • Tel: 86-0579-82899564
  • Address: Zhaohui Road hangzhou,ZhejiangChina
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123-31-9 3844.6-K-IP HYDROQUINONE

  • 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
  • Address: Campro Scientific GmbH
    Postfach 36 20 65
    D-10972 Berlin
    Tel. +49.(0)30.629.01.89.0
    Fax +49.(0)30.629.01.89.89
    info@campro.eu ,Germany
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123-31-9 Hydroquinone

  • 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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  • 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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References of benzene-1,4-diol
Title: Hydroquinone
CAS Registry Number: 123-31-9
CAS Name: 1,4-Benzenediol
Synonyms: p-dihydroxybenzene; hydroquinol; quinol
Trademarks: Aida (Paraphar); Black and White Bleaching Cream (Plough); Eldoquin (Valeant); Eldopaque (Valeant); Tecquinol
Molecular Formula: C6H6O2
Molecular Weight: 110.11
Percent Composition: C 65.45%, H 5.49%, O 29.06%
Literature References: Prepd by the oxidation of aniline: L. Gattermann, T. Wieland, Die Praxis des Organischen Chemikers (de Gruyter, Berlin, 40th ed., 1961) p 266; by reduction of quinone: Kitchen, US 1322580 (1920); Seyewetz, Miodon, Bull. Soc. Chim. Fr. 33, 449 (1923); by Elbs persulfate oxidation of phenol: Baker, Brown, J. Chem. Soc. 1948, 2303; Forrest, Petrow, ibid. 1950, 2340; from acetylene + CO: Howk, Sauer, US 3055949 (1962 to du Pont). Toxicity data: Woodard et al., Fed. Proc. 8, 348 (1949). Toxicology and carcinogenicity study: F. W. Kari et al., Food Chem. Toxicol. 30, 737 (1992). Review: J. Varagnat in Kirk-Othmer Encyclopedia of Chemical Technology vol. 13 (Wiley-Interscience, New York, 3rd ed., 1981) pp 39-69.
Properties: Crystals, mp 170-171°. d15 1.332. bp 285-287°. Sol in 14 parts water; freely sol in alcohol, ether, slightly in benzene. Its soln becomes brown in the air due to oxidation; the oxidation is very rapid in presence of alkali. Keep well closed and protected from light. Handle with caution. Avoid contact with skin and eyes. LD50 orally in rats: 320 mg/kg (Woodard).
Melting point: mp 170-171°
Boiling point: bp 285-287°
Density: d15 1.332
Toxicity data: LD50 orally in rats: 320 mg/kg (Woodard)
CAUTION: Harmful effects may occur following overexposure to dust and vapors by inhalation or by contact with skin or eyes. Contact with skin may cause dermatitis. Contact with eyes may cause eye irritation, keratitis, discoloration of conjunctiva and corneal changes. Ingestion may cause tinnitus, nausea, dizziness, sense of suffocation, increased respiration rate, vomiting, pallor, muscle twitching, headache, dyspnea, cyanosis, delirium, and collapse. Urine is usually green or brownish green in color and continues to darken on standing. See Patty's Industrial Hygiene and Toxicology vol. 2B, G. D. Clayton, F. E. Clayton, Eds. (Wiley-Interscience, New York, 4th ed., 1994) pp 1590-1592. See also NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 170.
Use: As photographic reducer and developer; as reagent in the determination of small quantities of phosphate; as antioxidant.
Therap-Cat: Depigmentor.
Keywords: Depigmentor.