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CAS No 148-25-4 , 4,5-dihydroxynaphthalene-2,7-disulfonic acid

  • Name: 4,5-dihydroxynaphthalene-2,7-disulfonic acid
  • Synonyms: Chromotropic acid; 4,5-dihydroxynaphthalene-2,7-disulfonic acid;4,5-dihydroxynaphthalene-2,7-disulfonic acid; 148-25-4; CHEBI:1751; 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid;
  • CAS Registry Number:
  • Density: 1.929 g/cm3
  • Refractive index: 1.756
  • EINECS: 205-712-7
  • Molecular Weight: 320.29572
  • InchiKey: HLVXFWDLRHCZEI-UHFFFAOYSA-N
  • InChI: InChI=1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,
    17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18)
  • Molecular Formula: C10H8O8S2
  • Molecular Structure:CAS No:148-25-4 4,5-dihydroxynaphthalene-2,7-disulfonic acid
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148-25-4 1,8-Dihydroxynaphthylene-3,6-disulfonic acid

  • Name:1,8-Dihydroxynaphthylene-3,6-disulfonic acid Synonym:4,5-dihydroxy-7-naphthalenedisulfonicacid;7-Naphthalenedisulfonicacid,4,5-dihydroxy-2;Chrmotropicacid;4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID;4,5-dihydroxynaphthalene-2,7-disulphonic acid...
  • Min. Order: 1000
  • FOB Price: USD30 - 50 /
  • China Wuhan Yuancheng Gongchuang Sales Technology Co.Ltd. [Manufacturer]
  • Tel: 86-027-50755994
  • Fax: 86-027-68886696
  • Address: No.496,Zhongshan Road, Wuhan, Hubei, China Wuhan,HubeiChina
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  • 148-25-4 CHROMOTROPIC ACID

    • 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 null,nullHong kong
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    148-25-4 Chromotropic Acid

    • 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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    148-25-4 Chromotropic Acid

    • 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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    148-25-4 CHROMOTROPIC ACID

    • 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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    148-25-4 4,5-dihydroxynaphthalene-2,7-disulphonic acid

    • China Taiyuan RHF CO., ltd. [Manufacturers]
    • Tel: 0351-7436719
    • Fax: +86-351-7436719
    • Address: Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi null,ShanXiChina
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    148-25-4 4,5-dihydroxynaphthalene-2,7-disulphonic acid

    • China Dragon Chemical Group Co.,China null
    • Fax: +86-571-88391332 49-211-550203-10
    • Address: 10/Fl., Jinjiang Building, 111 South Hushu Rd., Hangzhou, China null,nullChina
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    148-25-4 Chromotropic Acid

    • 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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    148-25-4 Chromotropic Acid

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    148-25-4 Chromotropic Acid

    • 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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    References of 4,5-dihydroxynaphthalene-2,7-disulfonic acid
    Title: Chromotropic Acid
    CAS Registry Number: 148-25-4
    CAS Name: 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid
    Synonyms: 1,8-dihydroxynaphthalene-3,6-disulfonic acid
    Molecular Formula: C10H8O8S2
    Molecular Weight: 320.30
    Percent Composition: C 37.50%, H 2.52%, O 39.96%, S 20.02%
    Literature References: Prepn from 4-chloro-5-hydroxy-2,7-naphthalenedisulfonic acid: DE 147852 (1904 to BASF); alternate methods: Frdl. 3, 460-466.
     
    Derivative Type: Dihydrate
    Properties: White needles, soluble in water.
     
    Derivative Type: Disodium salt dihydrate
    Molecular Formula: C10H6Na2O8S2.2H2O
    Molecular Weight: 400.29
    Percent Composition: C 30.00%, H 2.52%, Na 11.49%, O 39.97%, S 16.02%
    Properties: White needles or leaflets. Very sol in water.
     
    Use: Analytical reagent; intermediate for azo dyes.