Cas no 138-28-3 (Benzenesulfonic acid,3-[2-(4-amino-3-methoxyphenyl)diazenyl]-)

Benzenesulfonic acid,3-[2-(4-amino-3-methoxyphenyl)diazenyl]- structure
138-28-3 structure
Product Name:Benzenesulfonic acid,3-[2-(4-amino-3-methoxyphenyl)diazenyl]-
CAS No:138-28-3
MF:C13H13N3O4S
MW:307.325021505356
CID:172901
PubChem ID:67311
Update Time:2025-04-19

Benzenesulfonic acid,3-[2-(4-amino-3-methoxyphenyl)diazenyl]- Chemical and Physical Properties

Names and Identifiers

    • Benzenesulfonic acid,3-[2-(4-amino-3-methoxyphenyl)diazenyl]-
    • 3-[(4-amino-3-methoxyphenyl)diazenyl]benzenesulfonic acid
    • 4-AMINO-3-METHOXYPHENYLAZOBENZENE SULFONIC ACID
    • 3-((4-AMINO-3-METHOXYPHENYL)DIAZENYL)BENZENESULFONIC ACID
    • 3-[(e)-(4-amino-3-methoxyphenyl)diazenyl]benzenesulfonic acid
    • 4-(3-sulfophenylazo)-2-methoxyaniline
    • 4-amino-3-methoxyazobenzene-3`-sulfonic acid
    • m-[(4-amino-3-methoxyphenyl)azo]benzenesulfonic acid
    • 3-[(4-amino-3-methoxyphenyl)azo]-benzenesulfonic acid
    • 3-METHOXY-4-AMINO AZO BENZENE-3'-SULFONIC ACID
    • 3-[(4-amino-3-methoxyphenyl)azo]-benzenesulfonicaci
    • m-[(4-amino-3-methoxyphenyl)azo]benzenesulphonic acid
    • 3-(4-azanyl-3-methoxy-phenyl)diazenylbenzenesulfonic acid
    • 3-[(4-amino-3-methoxyphenyl)azo]-Benzenesulfonicacid
    • EINECS 205-321-1
    • FT-0631804
    • NS00024476
    • m-((4-Amino-3-methoxyphenyl)azo)benzenesulphonic acid
    • DTXSID3059680
    • Benzenesulfonic acid, 3-[2-(4-amino-3-methoxyphenyl)diazenyl]-
    • Benzenesulfonic acid, 3-[(4-amino-3-methoxyphenyl)azo]-
    • 138-28-3
    • Benzenesulfonic acid, 3-((4-amino-3-methoxyphenyl)azo)-
    • (E)-3-((4-amino-3-methoxyphenyl)diazenyl)benzenesulfonic acid
    • AC-12615
    • SCHEMBL3094048
    • AKOS015960984
    • Benzenesulfonic acid, 3-(2-(4-amino-3-methoxyphenyl)diazenyl)-
    • W-109495
    • Inchi： 1S/C13H13N3O4S/c1-20-13-8-10(5-6-12(13)14)16-15-9-3-2-4-11(7-9)21(17,18)19/h2-8H,14H2,1H3,(H,17,18,19)/b16-15+
    • InChI Key： FUWKWQCNMNPILC-FOCLMDBBSA-N
    • SMILES： S(C1C=CC=C(C=1)/N=N/C1C=CC(=C(C=1)OC)N)(=O)(=O)O

Computed Properties

  • Exact Mass: 307.06300
  • Monoisotopic Mass: 307.063
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 7
  • Heavy Atom Count: 21
  • Rotatable Bond Count: 4
  • Complexity: 463
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 2
  • XLogP3: 1.7
  • Topological Polar Surface Area: 123A^2

Experimental Properties

  • Density: 1.43
  • Boiling Point: °Cat760mmHg
  • Flash Point: °C
  • Refractive Index: 1.639
  • PSA: 122.72000
  • LogP: 4.60150

Benzenesulfonic acid,3-[2-(4-amino-3-methoxyphenyl)diazenyl]- Customs Data

  • HS CODE：2927000090
  • Customs Data：

    China Customs Code:

    2927000090

    Overview:

    2927000090 Other diazo compounds\Azo compounds, etc(Including azoxycompounds). VAT:17.0% Tax refund rate:9.0% Regulatory conditions:nothing MFN tariff:6.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2927000090 other diazo-, azo- or azoxy-compounds.Supervision conditions:None.VAT:17.0%.Tax rebate rate:9.0%.MFN tariff:6.5%.General tariff:30.0%

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