4-Hydroxythiophenol

Basic Information

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CAS Number

637-89-8

Molecular Formula

C6H6OS

Molecular Weight

126.18 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

33-35 °C

Boiling Point

149-150 °C/25 mmHg

Density

1.255

Refractive Index

1.5101 (estimate)

SMILES

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C1=CC(=CC=C1O)S

InChI

InChI=1S/C6H6OS/c7-5-1-3-6(8)4-2-5/h1-4,7-8H

InChIKey

BXAVKNRWVKUTLY-UHFFFAOYSA-N

LogP

1.6808999999999998

Topological Polar Surface Area

20.23 Å²

Hydrogen Bond Donor/Acceptor

1 / 1

Complexity

66.9

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 8 Class 8

Stability

Stability Air sensitive. Incompatible with oxidizing agents.

Sensitiveness

Air Sensitive

Synonyms & References

English

p-Mercaptophenol
USAF B-57
H0662
4-Sulfanylphenol
MFCD00004850
4-mercapto phenol
S10242
BXAVKNRWVKUTLY-UHFFFAOYSA-
NSC46192
AKOS005254768
PS-5184
SCHEMBL62871
para-hydroxy thiophenol
4-Mercaptophenol, technical grade, 90%
Phenol, 4-mercapto-
NSC 46192
J-512663
Thiohydroquinone
DTXSID2073223
4-Hydroxythiophenol
Phenol, p-mercapto-
4-Mercaptophenol
UNII-TAL4TS4AC3
InChI=1/C6H6OS/c7-5-1-3-6(8)4-2-5/h1-4,7-8H
WLN: L6V DYJ DUS
4-hydroxy-thiophenol
4-mercapto-phenol
BRN 2039306
FT-0618753
4-Mercaptophenol, Vetec(TM) reagent grade, 89%
A934091

MDL Number

MFCD00004850

Customs Code

2930909090

FAQ

What is 4-Hydroxythiophenol (CAS: 637-89-8)?

4-Hydroxythiophenol, also known as 2-hydroxy-5-thiophenol (CAS: 637-89-8), is an organic compound with the molecular formula C7H6O2S. It is a colorless to light yellow liquid with a phenolic odor. It is soluble in water and ethanol, and it is used in various applications such as organic synthesis, pharmaceuticals, and as a chemical intermediate.

What are the main uses of 4-Hydroxythiophenol (CAS: 637-89-8)?

4-Hydroxythiophenol (CAS: 637-89-8) is used as a precursor in organic synthesis, particularly in the production of dyes and pigments. It also serves as a raw material in the pharmaceutical industry for the synthesis of certain drugs. Additionally, it is utilized in the formulation of antioxidants and as a chemical intermediate in various industrial processes.

Is 4-Hydroxythiophenol (CAS: 637-89-8) safe?

4-Hydroxythiophenol (CAS: 637-89-8) is generally considered safe when handled with appropriate precautions. It is corrosive to skin and eyes, and it should be stored in a tightly sealed container. Protective gloves and eye protection are recommended during handling. Exposure to high concentrations may cause irritation and harm, so it is important to work in a well-ventilated area and follow safety guidelines.

How should 4-Hydroxythiophenol (CAS: 637-89-8) be stored?

4-Hydroxythiophenol (CAS: 637-89-8) should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent moisture absorption. The storage temperature should not exceed 25°C, and it should be stored in a well-ventilated area to avoid the risk of fire. Handle with care to prevent spills or leaks, and ensure proper disposal according to local regulations.