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CAS No 118-75-2 , 2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione Search by region : China

  • Name: 2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione
  • Synonyms: Spergon;2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione; Tetrachloro-1,4-benzoquinone; 118-75-2; Tetrachloro-p-benzoquinone; Khloranil; Coversan;p-Chloranil; Psorisan;
  • CAS Registry Number:
  • Transport: UN 3077
  • Melting Point: 289 ºC
  • Density: 1,97 g/cm3
  • Safety Statements: R20;R36/38;R50/53
  • Hazard Symbols: Xn: Harmful;N: Dangerous for the environment;
  • HS Code: 29147090
  • EINECS: 204-274-4
  • Molecular Weight: 245.875
  • InchiKey: UGNWTBMOAKPKBL-UHFFFAOYSA-N
  • InChI: InChI=1S/C6Cl4O2/c7-1-2(8)6(12)4(10)3(9)5(1)11
  • Risk Statements: S22;S37;S60;S61
  • Molecular Formula: C6Cl4O2
  • Molecular Structure:CAS No:118-75-2 2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione

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118-75-2 Chloranil

  • 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 null,nullChina
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118-75-2 Chloranil

  • China Trust&We Co., Ltd. [Manufacturer]
  • Tel: +86-21-61044582
  • Fax: +86-21-61044583
  • Address: 1-102,No.11,Dongjiaominxiang Alley,
    Dongcheng District,
    Beijing 100005,China null,nullChina
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118-75-2 Chloranil

  • China Shanghai Sunwise Chemical Co., Ltd. [Manufacturer]
  • Tel: +86-21-64063188
  • Fax: +86-21-64062858
  • Address: Shanghai Sunwise Chemical Co., Ltd.
    7G, No 1235 Wuzhong Road
    Shanghai P.R.China null,nullChina
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118-75-2 Chloranil

  • China Hangzhou Sage Chemical Co., Ltd. [Manufacturer]
  • Tel: +86-571-86818502
  • Fax: +86-571-86818503
  • Address: RM501 Tower A, New Youth Plaza, NO.8 Jia Shan Road, Hangzhou, Zhejiang 310014, null,ZhejiangChina
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118-75-2 Chloranil

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118-75-2 P-chloranil (Tetrachloro-p-benzoquinone)

  • China YiPeng Chemical [Manufacturers]
  • Tel: 571 85376369
  • Fax: 571 88233092
  • Address: Building 4,High-tech Industrial Park,No. 588 Feijiatang Road,Xiacheng District, Hangzhou, China null,ZheJiangChina
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118-75-2 Chloranil

  • China China Langchem Inc. null
  • Tel: +86-(21)-58956006
  • Fax: +86-(21)-58956100
  • Address: 514 Room, 1# Building, 88# Cailun Road, Zhangjiang High Tech Park, Shanghai 201203, null,nullChina
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118-75-2 Chloranil

  • China Shanghai Xunxin Chemical Co., Ltd [Manufacturers]
  • Tel: +86-(21)-38218795
  • Fax: +86-(21)-38218795
  • Address: 580 Lane, Kanghong Road, Pudong New District, Shanghai 201315, Shanghai,ShanghaiChina
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118-75-2 Chloranil

  • China Watson International Ltd. null
  • Tel: +86-(512)-55117610
  • Fax: +86-(512)-55117630
  • Address: Room 1209, Asia Pacific Plaza, Huaqiao International Business Park, Kunshan, Jiangsu 215332, null,nullChina
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118-75-2 P-chloranil (Tetrachloro-p-benzoquinone)

  • China Dynasty Colourants Co., Ltd. [Manufacturers]
  • Tel: 0086-574-27897999 +86 574 27862090
  • Fax: 0086-574-27862092
  • Address: 18fl., King International , No. 345 South Huancheng West Road Ningbo China, Ningbo,HangzhouChina
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References of 2,3,5,6-tetrachlorocyclohexa-2,5-diene-1,4-dione
Title: Chloranil
CAS Registry Number: 118-75-2
CAS Name: 2,3,5,6-Tetrachloro-2,5-cyclohexadiene-1,4-dione
Synonyms: 2,3,5,6-tetrachloro-p-benzoquinone; tetrachloroquinone
Trademarks: Spergon; Vulklor
Molecular Formula: C6Cl4O2
Molecular Weight: 245.88
Percent Composition: C 29.31%, Cl 57.68%, O 13.01%
Literature References: Prepd from p-phenylenediamine or phenol by treating with KClO3 and HCl. Because of its great resistance to further oxidation, chloranil is formed as the final product of the chlorate-HCl oxidation of many aromatic compds. For comprehensive list see Huntress, Organic Chlorine Compounds (New York, 1948). Laboratory procedure starting with phenol or p-chlorophenol: Fierz-David, Blangey, Grundlegende Operationen der Farbenchemie (Vienna, 5th ed., 1943) p 140. Use as reagent for pamaquine, q.v., in urine: Schulemann et al., Chem. Zentralbl. 1928, I, 2193. Aqueous decomposition study: D. H. Sarr et al., Environ. Sci. Technol. 29, 2735 (1995). Review: Health and Environmental Effects Profile for Chloranil (EPA PB88-219696, 1986) 59 pp.
Properties: Golden-yellow platelets from acetic acid or acetone. Monoclinic prisms from benzene or toluene or by sublimation in vacuo, mp 290°. Absorption spectrum in chloroform: Lifschitz et al., Rec. Trav. Chim. 43, 276, 658 (1924). Insol in water; almost insol in cold petr ether, cold alcohol. Sol in ether; sparingly sol in chloroform, carbon tetrachloride, carbon disulfide. Solubility data: Dimroth, Bamberger, Ann. 438, 103, 106 (1924).
Melting point: mp 290°
CAUTION: Potential symptoms of overexposure are watery diarrhea, CNS depression, coma. Not absorbed percutaneously; direct contact may cause skin irritation. See Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 5th ed., 1984) p II-317.
Use: Agricultural fungicide, dye intermediate, reagent. Manuf of electrodes for pH measurement.