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CAS No 83-72-7 , 4-hydroxynaphthalene-1,2-dione

  • Name: 4-hydroxynaphthalene-1,2-dione
  • Synonyms: 2-Hydroxy-1,4-naphthoquinone;4-hydroxynaphthalene-1,2-dione; Mendi; Mehendi; Henna; Lawson; HANA; 2-Hydroxynaphthoquinone; 83-72-7;
  • CAS Registry Number:
  • Melting Point: 192-195 ºC
  • Flash Point: 192
  • Density: 1.46 g/cm3 (25 C)
  • Water Solubility: 2 G/L (20 ºC)
  • Safety Statements: R22;R36;R68
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 192
  • EINECS: 201-496-3
  • Molecular Weight: 174.15284
  • InchiKey: WVCHIGAIXREVNS-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H6O3/c11-8-5-9(12)10(13)7-4-2-1-3-6(7)8/h1-5,11H
  • Risk Statements: S26;S36/37/39
  • Molecular Formula: C10H6O3
  • Molecular Structure:CAS No:83-72-7 4-hydroxynaphthalene-1,2-dione
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83-72-7 2-HYDROXY-1,4-NAPHTHOQUINONE

  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany null,nullGermany
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83-72-7 2-Hydroxy-p-naphthoquinone

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: null Union City,CaliforniaUnited States
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83-72-7 2-HYDROXY-1,4-NAPHTHOQUINONE; 98%

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany null,nullGermany
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83-72-7 2-Hydroxy-p-naphthoquinone

  • 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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83-72-7 2-Hydroxy-p-naphthoquinone

  • 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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83-72-7 2-Hydroxy-p-naphthoquinone

  • 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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83-72-7 2-Hydroxy-1,4,-Naphthoquinone

  • China Nanjing Samwon International Limited [Importer/Exporter]
  • Tel: +86-(25)-84873444
  • Fax: +86-(25)-84507436
  • Address: 1108, BLDG B, New Century Plaza, No 1, South Taiping Rd., Nanjing, Jiangsu 210002, Nanjing,JiangsuChina
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83-72-7 2-HYDROXY-1,4-NAPHTHOQUINONE

  • United States Tripletoxygen [Manufacturer]
  • Fax: 713-666-7398
  • Address: Tripletoxygen
    P.O. Box 20650
    Houston, TX 77225-0650 null,nullUnited States
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83-72-7 A2044 LAWSONE

  • United Kingdom Carbosynth Limited [Manufacturer]
  • Tel: +44 (0)1635 578444
  • Fax: +44 (0)1635 579444
  • Address: Carbosynth Limited
    8&9 Old Station Business Park
    Compton
    Berkshire
    RG20 6NE
    UK null,nullUnited Kingdom
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83-72-7 LAWSONE(P)

  • United States ChromaDex Inc. [Manufacturer]
  • Tel: 949-419-0288
  • Fax: 949-419-0294
  • Address: ChromaDex Inc.
    10005 Muirlands Blvd. Suite G - First Floor
    Irvine, CA 92618 null,nullUnited States
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References of 4-hydroxynaphthalene-1,2-dione
Title: Lawsone
CAS Registry Number: 83-72-7
CAS Name: 2-Hydroxy-1,4-naphthalenedione
Synonyms: 2-hydroxy-1,4-naphthoquinone
Molecular Formula: C10H6O3
Molecular Weight: 174.15
Percent Composition: C 68.97%, H 3.47%, O 27.56%
Literature References: From leaves of Lawsonia inermis L. and L. alba Lam., Lythraceae: Latif, Indian J. Agric. Sci. 29, No. 2-3, 147 (1959), C.A. 55, 14828g (1961). Synthesis: Fieser, J. Am. Chem. Soc. 70, 3165 (1948); Jain, Seshadri, Proc. Indian Acad. Sci. 35A, 233 (1952); Eistert, Müller, Ber. 92, 2071 (1959).
Properties: Yellow prisms from acetic acid, dec 195-196°.
Therap-Cat: Ultraviolet screen.
Keywords: Ultraviolet Screen.