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CAS No 1937-37-7 , Direct Black 38

  • Name: Direct Black 38
  • Synonyms: Direct Black 38; Disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate;C.I. 30235; Chlorazol Black E;
  • CAS Registry Number:
  • Melting Point: 109-110°C
  • Density: 1.61g/cm3
  • Refractive index: 1.768
  • Safety Statements: R45;R63
  • Hazard Symbols: T: Toxic;
  • EINECS: 217-710-3
  • Molecular Weight: 781.72
  • InChI: InChI=1/C34H27N9O7S2.2Na/c35-22-10-15-27(26(36)18-22)41-38-24-11-6-19(7-12-24)20-8-13-25(14-9-20)40-42-32-28(51(45,46)47)16-21-17-29(52(48,49)50)33(34(44)30(21)31(32)37)43-39-23-4-2-1-3-5-23;;/h1-18,44H,35-37H2,(H,45,46,47)(H,48,49,50);;/q;2*+1/p-2/b41-38+,42-40?,43-39+;;
  • Risk Statements: S45;S53
  • Molecular Formula: C34H25N9Na2O7S2
  • Molecular Structure:CAS No:1937-37-7 Direct Black 38
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1937-37-7 disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

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1937-37-7 disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

  • China hebei rising chemical co.,ltd [Manufacturers]
  • Tel: +86-311-85520176 85520177 85520178
  • Fax: +86-311-85520175
  • Address: R.1002, No. 77 Guang'an St., Shijiazhuang Hebei,China Shijiazhuang,HebeiChina
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1937-37-7 disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

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1937-37-7 Azo Black

  • Azo Black
  • 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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1937-37-7 DIRECT BLACK 38 C.I. 30235

  • DIRECT BLACK 38 C.I. 30235
  • 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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