Benzidine-2,2'-disulfonic acid

Base Information

• Chemical Name: Benzidine-2,2'-disulfonic acid
• CAS No.: 117-61-3
• Deprecated CAS: 1351935-87-9
• Molecular Formula: C12H12N2O6S2
• Molecular Weight: 344.369
• Hs Code.: 29215900
• European Community (EC) Number: 204-200-0
• NSC Number: 3763
• UNII: ALF643N2EQ
• DSSTox Substance ID: DTXSID3024572
• Nikkaji Number: J5.292B
• Wikidata: Q27273988
• Mol file: 117-61-3.mol

Synonyms:117-61-3;2,2'-Benzidinedisulfonic acid;Benzidine-2,2'-disulfonic acid;2,2'-Disulfobenzidine;6,6'-Bimetanilic acid;4,4'-Diaminobiphenyl-2,2'-disulfonic acid;Benzidine-2,2'-disulphonic acid;4,4'-Diamino-[1,1'-biphenyl]-2,2'-disulfonic acid;5-amino-2-(4-amino-2-sulfophenyl)benzenesulfonic acid;[1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-diamino-;4,4'-Diamino-2,2'-biphenyldisulfonic acid;Benzidine, 2,2'-disulfo-;4,4'-Diamino-[1,1'-biphenyl]-2,2'-disulfonic acid(contains 30% Water at maximum);4,4'-Diaminodiphenyl-2,2'-disulfonic acid;Kyselina benzidin-2,2'-disulfonova;NSC 3763;EINECS 204-200-0;UNII-ALF643N2EQ;4,4'-Diaminobiphenyl-2,2'-disulfonic acid hydrate;BRN 2675524;ALF643N2EQ;4,4'-Diamino-(1,1'-biphenyl)-2,2'-disulfonic acid;AI3-22051;(1,1'-Biphenyl)-2,2'-disulfonic acid, 4,4'-diamino-;Kyselina benzidin-2,2'-disulfonova [Czech];2,2/'-Benzidinedisulfonic acid;4,4'-Biphenyldisulfonic acid, 2,2'-diamino-;Benzidine, 2,2'-disulfonic acid;NSC-3763;2,2'-BIPHENYLDISULFONIC ACID, 4,4'-DIAMINO-;EC 204-200-0;2,2'-Benzidinedisulfonic Acid (contains 30% Water at maximum);C12H12N2O6S2;MFCD00041885;Benzidine,2'-disulfo-;4, 2,2'-diamino-;2.2'-Benzidindisulfosaure;4,2'-biphenyldisulfonic acid;Benzidine-2,2-disulphonicacid;SCHEMBL229927;WLN: WSQR CZ F- 2;DTXSID3024572;NSC3763;Benzidine-2,2/'-disulfonic acid;2,2'-Benzidinedisulfonic acid;BBL034700;LS-590;STL356370;4,4-Benzidine 2,2 Disulfonic Acid;AKOS001605525;[1,2'-disulfonic acid, 4,4'-diamino-;VS-12641;B0395;CS-0157051;FT-0653643;D70498;4,4-DIAMINO-2,2-PHENYL DISULFONIC ACID;4,4'-diamino-1,1'-biphenyl-2,2'-disulfonic acid;W-108561;4,4'-diamino[1,1'-biphenyl]-2,2'-disulfonic acid;Q27273988;4,4'-Diamino-[1,1'-biphenyl]-2,2'-disulfonicacid(contains30%Wateratmaximum)

Chemical Property of Benzidine-2,2'-disulfonic acid

Chemical Property:

• Appearance/Colour: Purple crystalline powder
• Vapor Pressure: 0Pa at 25℃
• Melting Point: 175 °C
• Refractive Index: 1.6510 (estimate)
• Boiling Point: 638.25℃[at 101 325 Pa]
• PKA: -1.85±0.50(Predicted)
• PSA: 177.54000
• Density: 1.681 g/cm³
• LogP: 4.33540
• Storage Temp.: Keep in dark place,Inert atmosphere,Room temperature
• Water Solubility.: <0.1 g/100 mL at 20 oC
• XLogP3: -0.3
• Hydrogen Bond Donor Count: 4
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 3
• Exact Mass: 344.01367845
• Heavy Atom Count: 22
• Complexity: 540

Purity/Quality:

99.9% ^*data from raw suppliers

4,4''-Diamino-[1,1''-biphenyl]-2,2''-disulfonicAcid ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 20/21/22-37/38-36-36/37/38
• Safety Statements: 22-26-36-60-37

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC(=C(C=C1N)S(=O)(=O)O)C2=C(C=C(C=C2)N)S(=O)(=O)O
• Uses: 4,4'-Diaminobiphenyl-2,2'-disulfonic acid hydrate is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.

Technology Process of Benzidine-2,2'-disulfonic acid

There total 14 articles about Benzidine-2,2'-disulfonic 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:

3,3'-azo-bis-benzenesulfonic acid (177343-00-9) → 4,4'-diamino-2,2'-biphenyldisulfonic acid (117-61-3)

Guidance literature:

With tin(ll) chloride;

Reference yield:

4,4'-diaminodiphenyl ether-2,2'-disulfonic acid (6375-06-0) + C144H96Fe4N24O36S12(4-) → 4,4'-diamino-2,2'-biphenyldisulfonic acid (117-61-3) + C72H48Fe2N12O21S6(2-)

Guidance literature:

With sodium hydrogencarbonate; In neat (no solvent); at 27 ℃; for 2h; Milling;

DOI:10.1002/chem.201500734

Reference yield:

2,2',2''-triaminotriethylamine (4097-89-6) + C144H96Fe4N24O36S12(4-) → 4,4'-diamino-2,2'-biphenyldisulfonic acid (117-61-3) + C24H27FeN7(2+)

Guidance literature:

With sodium hydrogencarbonate; In neat (no solvent); at 27 ℃; for 1h; Milling;

DOI:10.1002/chem.201500734

upstream raw materials:

3,3'-azoxy-bis-benzenesulfonic acid

3-(hydroxyamino)benzene-1-sulfonic acid

3-Nitrobenzenesulfonic acid

3,3'-azo-bis-benzenesulfonic acid

Refernces

• 1、 Giri, Chandan,Sahoo, Prasit Kumar,Puttreddy, Rakesh,Rissanen, Kari,Mal, Prasenjit. "Solvent-free ball-milling subcomponent synthesis of metallosupramolecular complexes". . p. 6390 - 6393. Retrieved 2015.
• 2、 -. "Triazinyl reactive dyes containing additional fiber reactive groups bound through the sulfonylalkylaminoalkylamino bridge". . . Retrieved 2008/06/13.