2,5-Dihydroxythiophenol

Base Information

• Chemical Name: 2,5-Dihydroxythiophenol
• CAS No.: 2889-61-4
• Molecular Formula: C6H6O2S
• Molecular Weight: 142.178
• Hs Code.: 2930909090
• European Community (EC) Number: 810-460-1
• Nikkaji Number: J451.606K
• Mol file: 2889-61-4.mol

Synonyms:1-thio-2,5-dihydroxybenzene;2,5-dihydroxythiophenol

Chemical Property of 2,5-Dihydroxythiophenol

Chemical Property:

• Vapor Pressure: 7.16E-05mmHg at 25°C
• Melting Point: 118 °C
• Refractive Index: 1.699
• Boiling Point: 333.2 °C at 760 mmHg
• PKA: 6.69±0.48(Predicted)
• Flash Point: 155.3 °C
• PSA: 79.26000
• Density: 1.437 g/cm³
• LogP: 1.38650
• Sensitive.: Stench
• XLogP3: 0.9
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 142.00885060
• Heavy Atom Count: 9
• Complexity: 97.1

Purity/Quality:

98% or more ^*data from raw suppliers

2,5-dihydroxythiophenol 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC(=C(C=C1O)S)O

Technology Process of 2,5-Dihydroxythiophenol

There total 8 articles about 2,5-Dihydroxythiophenol 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: 95.0%

2-(2,5-Dihydroxy-phenyl)-isothiourea; compound with acetic acid → 2-mercaptobenzene-1,4-diol (2889-61-4)

Guidance literature:

With sodium tetrahydroborate; In water; for 0.25h; Ambient temperature;

DOI:10.1080/00397919408012622

Reference yield: 60.0%

C6H7NO4S (858499-23-7) → 2-mercaptobenzene-1,4-diol (2889-61-4)

Guidance literature:

With ammonium formate; at 100 - 200 ℃; for 7h; neat (no solvent);

DOI:10.1080/00397911.2011.559317

Reference yield: 38.0%

p-benzoquinone (106-51-4) → 2-mercaptobenzene-1,4-diol (2889-61-4)

Guidance literature:

p-benzoquinone; With sodium thiosulfate; acetic acid; In water; at 40 - 50 ℃;

With hydrogenchloride; zinc; In water; at 40 - 50 ℃;

DOI:10.1023/B:RJAC.0000038812.89494.22

upstream raw materials:

5-hydroxybenzo[d][1,3]oxathiol-2-one

thiosulfuric acid S-(2,5-dihydroxy-phenyl ester)

p-benzoquinone

C₆H₇NO₄S

Downstream raw materials:

propylsulfanyl-[1,4]benzoquinone

1-(3-Hydroxy-4-methylthiophenyl)-2-(2,5-dihydroxyphenylthio)ethanone

hydroquinone

thioacetic acid S-(2,5-dihydroxy-phenyl) ester

Refernces

• 1、 Farzaliev,Allakhverdiev,Shamkhalova,Rzaeva. "Synthesis and antioxidative activity of S-substituted 2-mercapto-1,4- dihydroxybenzenes". . p. 783 - 786. Retrieved 2007/10/03.
• 2、 -. "Aqueous ink for ink jet recording". . . Retrieved 2008/06/13.