4-Amino-3-chlorobenzenesulfonic acid

Base Information

• Chemical Name: 4-Amino-3-chlorobenzenesulfonic acid
• CAS No.: 98-35-1
• Molecular Formula: C6H6ClNO3S
• Molecular Weight: 207.638
• Hs Code.: 2921420090
• European Community (EC) Number: 202-660-7
• NSC Number: 59701
• DSSTox Substance ID: DTXSID5059169
• Nikkaji Number: J166.348H
• Wikidata: Q72434248
• Mol file: 98-35-1.mol

Synonyms:4-Amino-3-chlorobenzenesulfonic acid;98-35-1;2-Chloroaniline-4-sulfonic acid;3-Chlorosulfanilic acid;3-Chlorosulphanilic acid;Benzenesulfonic acid, 4-amino-3-chloro-;4-Amino-3-chlorobenzenesulfonicacid;Sulfanilic acid, 3-chloro-;EINECS 202-660-7;NSC 59701;3-chlorsulfanilsyre;3-Chloro-4-aminobenzenesulfonic acid;SCHEMBL879153;DTXSID5059169;2-Chloroaniline-4-sulphonic acid;NSC59701;MFCD00025154;NSC-59701;STL282558;AKOS015855651;4-amino-3-chlorobenzene-1-sulfonic acid;VS-00609;AM20050023;CS-0318951;FT-0631508;F15573

Chemical Property of 4-Amino-3-chlorobenzenesulfonic acid

Chemical Property:

• Refractive Index: 1.639
• PSA: 88.77000
• Density: 1.642 g/cm³
• LogP: 2.83090
• Storage Temp.: 2-8°C
• XLogP3: 1
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 206.9756919
• Heavy Atom Count: 12
• Complexity: 248

Purity/Quality:

99%, ^*data from raw suppliers

2-Chloroaniline-4-sulfonicAcid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C1=CC(=C(C=C1S(=O)(=O)O)Cl)N
• Uses: 2-Chloroaniline-4-sulfonic Acid, can be used for the preparation of brown polysulfonamide dyes.

Technology Process of 4-Amino-3-chlorobenzenesulfonic acid

There total 6 articles about 4-Amino-3-chlorobenzenesulfonic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

o-chloroaniline (95-51-2) + 1,2-dichloro-benzene (95-50-1) → 3-chloro-4-aminobenzenesulfonic acid (98-35-1)

Guidance literature:

Reference yield:

→ 3-chloro-4-aminobenzenesulfonic acid (98-35-1)

Guidance literature:

at 160 ℃; under 20 - 30 Torr;

Reference yield:

2,2'-dichlorodianilinium sulfate → 3-chloro-4-aminobenzenesulfonic acid (98-35-1)

Guidance literature:

at 300 ℃; under 60 Torr;

upstream raw materials:

o-chloroaniline

1,2-dichloro-benzene

Downstream raw materials:

4-(2-Acetylamino-4-diethylamino-phenylazo)-3-chloro-benzenesulfonic acid

4-(4-Amino-2-diethylamino-6-methyl-pyrimidin-5-ylazo)-3-chloro-benzenesulfonic acid

4-(5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-3-chloro-benzenesulfonic acid

3-Chloro-4-(4,6-diamino-2-ethylsulfanyl-pyrimidin-5-ylazo)-benzenesulfonic acid

Refernces

• 1、 Singh, Gurdip,Kapoor, Inder Pal Singh,Singh, Jyotsna. "Sulfonation of arylamines Part 9 - Solid state synthesis of di-ortho ring substituted aminobenzenesulfonic acids". . p. 1114 - 1117. Retrieved 2007/10/03.
• 2、 -. "Reactive dyestuffs comprising a triazine moiety and a vinylsulfonyl moiety both being linked by a substituted alkylene bridge member". . . Retrieved 2008/06/13.