Cas no 88-43-7 (5-amino-2-chlorobenzene-1-sulfonic acid)

5-amino-2-chlorobenzene-1-sulfonic acid structure
88-43-7 structure
Product Name:5-amino-2-chlorobenzene-1-sulfonic acid
CAS No:88-43-7
MF:C6H6ClNO3S
MW:207.634739398956
MDL:MFCD00025296
CID:722563
PubChem ID:6933
Update Time:2025-08-05

5-amino-2-chlorobenzene-1-sulfonic acid Chemical and Physical Properties

Names and Identifiers

    • 5-Amino-2-chlorobenzenesulfonic acid
    • Metanilicacid, 6-chloro- (6CI,7CI,8CI)
    • 1-Amino-4-chlorobenzene-3-sulfonic acid
    • 3-Amino-6-chlorobenzenesulfonic acid
    • 4-Chloro-3-sulfoaniline
    • 4-Chloroaniline-3-sulfonic acid
    • 6-Chlorometanilic acid
    • NSC 15346
    • p-Chloroaniline-m-sulfonic acid
    • Benzenesulfonic acid,5-amino-2-chloro-
    • 1-amino-4-chlorobenzene-3-sulphonic acid
    • 2-chloro-5-aminobenzenesulfonic acid
    • 4-chloro-aniline-3-sulphonic acid
    • 5-amino-2-chloro-benzenesulfonic acid
    • 5-Amino-2-chlorobenzenesulphonic acid
    • 6-chloro-3-aminobenzenesulfonic acid
    • Benzenesulfonic acid,5-amino-2-chloro
    • p-Chlorometanilic acid
    • 4-Chloro-1-aminobenzene-3-sulfonic acid
    • 2-Chloro-5-aminobenzene sulfonic acid
    • Benzenesulfonic acid, 5-amino-2-chloro-
    • 5-amino-2-chlorobenzene-1-sulfonic acid
    • P6W5Q8ZPN5
    • 4-CHLOROANILINE-3-SULFONICACID
    • C6H6ClNSO3
    • Metanilic acid, 6-chloro-
    • 5-Amino-2-chlorobenzenesulfonic acid (ACI)
    • Metanilic acid, 6-chloro- (6CI, 7CI, 8CI)
    • DTXSID2058968
    • 5Amino2chlorobenzenesulphonic acid
    • Metanilic acid, 6chloro (8CI)
    • HSDB 2566
    • 4-CHLOROANILINE-3-SULFONIC ACID [HSDB]
    • AS-62714
    • NS00039268
    • UNII-P6W5Q8ZPN5
    • EN300-123556
    • DTXCID2048616
    • E78254
    • 5-Amino-2-chlorobenzenesulfonicAcid
    • 4Chloroaniline3sulfonic acid
    • NSC-15346
    • Q27286296
    • MFCD00025296
    • W-100405
    • SCHEMBL176866
    • 88-43-7
    • EINECS 201-830-8
    • AI3-28528
    • Benzenesulfonic acid, 5amino2chloro
    • pChloroanilinemsulfonic acid
    • AKOS015854640
    • CS-0188462
    • Metanilic acid, 6chloro
    • NSC15346
    • MDL： MFCD00025296
    • Inchi： 1S/C6H6ClNO3S/c7-5-2-1-4(8)3-6(5)12(9,10)11/h1-3H,8H2,(H,9,10,11)
    • InChI Key： VPXCXBHLKDPWQV-UHFFFAOYSA-N
    • SMILES： O=S(C1C(Cl)=CC=C(N)C=1)(O)=O

Computed Properties

  • Exact Mass: 206.97600
  • Monoisotopic Mass: 206.975691
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 12
  • Rotatable Bond Count: 1
  • Complexity: 248
  • 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: nothing
  • XLogP3: 0.4
  • Topological Polar Surface Area: 88.8

Experimental Properties

  • Color/Form: White to light gray needle crystals or powders
  • Density: 1.3501 (rough estimate)
  • Melting Point: 280℃
  • Refractive Index: 1.6000 (estimate)
  • PSA: 88.77000
  • LogP: 2.83090
  • Solubility: Slightly soluble in water, easily soluble in hot water \ glacial acetic acid, insoluble in alcohols and ketones

5-amino-2-chlorobenzene-1-sulfonic acid Security Information

5-amino-2-chlorobenzene-1-sulfonic acid Customs Data

  • HS CODE：2921420090
  • Customs Data：

    China Customs Code:

    2921420090

    Overview:

    2921420090 Other aniline derivatives and their salts. 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:

    HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

5-amino-2-chlorobenzene-1-sulfonic acid Pricemore >>

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5-amino-2-chlorobenzene-1-sulfonic acid Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: Sulfuric acid ;  3 h, rt
1.2 Reagents: Sodium nitrite Catalysts: Azobisisobutyronitrile ;  1 h, 80 °C
Reference
Water-Soluble, Exfoliated, Nonroping Single-Wall Carbon Nanotubes
Hudson, Jared L.; et al, Journal of the American Chemical Society, 2004, 126(36), 11158-11159

5-amino-2-chlorobenzene-1-sulfonic acid Preparation Products

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