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89866

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p-Toluenesulfonic acid monohydrate

analytical standard

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About This Item

Linear Formula:
CH3C6H4SO3H · H2O
CAS Number:
Molecular Weight:
190.22
Beilstein:
3568023
MDL number:
UNSPSC Code:
41116107
NACRES:
NA.24

grade

analytical standard

Quality Level

vapor density

5.9 (vs air)

Assay

95.0-105.0% (anhydrous basis, T)

form

solid

shelf life

limited shelf life, expiry date on the label

impurities

9.5-11.5% water

mp

103-106 °C (lit.)

SMILES string

[H]O[H].Cc1ccc(cc1)S(O)(=O)=O

InChI

1S/C7H8O3S.H2O/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);1H2

InChI key

KJIFKLIQANRMOU-UHFFFAOYSA-N

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Application


  • p-Toluenesulfonic acid monohydrate in organic synthesis: p-Toluenesulfonic acid monohydrate serves as a powerful catalyst in various organic syntheses, including the synthesis of bioactive molecules. It facilitates a range of reactions such as esterifications and acylations crucial for developing pharmaceutical compounds. The use of this catalyst is integral to enhancing reaction rates and improving yield efficiencies in medicinal chemistry (Kim et al., 2022).

  • Pharmaceutical synthesis reagent: As a versatile reagent, p-Toluenesulfonic acid monohydrate is utilized in pharmaceutical research for the synthesis of complex drug molecules. Its role in improving the solubility and stability of pharmaceutical agents underscores its importance in drug development processes, particularly in the formulation of active pharmaceutical ingredients (Huang et al., 2020).

  • Antioxidant research compound: Researchers use p-Toluenesulfonic acid monohydrate to study antioxidant properties in various chemical systems. Its application in determining the stability and effectiveness of antioxidants helps in the development of new therapeutic agents that combat oxidative stress and related diseases (Fidan et al., 2018).

  • Tosic acid hydrate in biochemistry: In biochemistry, p-Toluenesulfonic acid monohydrate is used to study enzyme catalysis and reaction mechanisms. Its application helps in understanding the biochemical pathways where acid catalysis is crucial, providing insights into enzyme behavior and kinetics in biological systems (Kwiecień et al., 2016).

  • Catalysis in pharmaceutical research: p-Toluenesulfonic acid monohydrate is extensively used in catalysis within pharmaceutical research to enhance the efficiency of chemical reactions. This application is critical for the rapid and cost-effective synthesis of new drug candidates, highlighting its pivotal role in accelerating drug discovery and development (Kim et al., 2022).


Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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