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161993

Sigma-Aldrich

acido p-toluenesolfonico

reagent grade, 98%

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About This Item

Formula condensata:
CH3C6H4SO3H · H2O
Numero CAS:
6192-52-5
Peso molecolare:
190.22
Beilstein:
3568023
Numero CE:
203-180-0
Numero MDL:
MFCD00142137
Codice UNSPSC:
12352100
ID PubChem:
24849965

Grado

reagent grade

Densità del vapore

5.9 (vs air)

Saggio

98%

Punto di fusione

103-106 °C (lit.)

Stringa SMILE

[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
KJIFKLIQANRMOU-UHFFFAOYSA-N

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Altre note

This product has been replaced by T35920-Sigma-Aldrich | p-Toluenesulfonic acid monohydrate, ReagentPlus®, 98.5% | CH3C6H4SO3H

Note legali

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Prodotto comparabile

N° Catalogo
Descrizione
Determinazione del prezzo

Pittogrammi

CorrosionExclamation mark
GHS05,GHS07

Avvertenze

Warning

Indicazioni di pericolo

H290,H315,H319,H335

Classi di pericolo

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

8A - Combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
BCBH7958V
BCBH7957V
BCBK3243V
BCBK3242V
BCBJ1158V

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Piridinio p-toluensolfonato

Makoto Ueno et al.
The Journal of organic chemistry, 68(16), 6424-6426 (2003-08-05)
alpha-Tosyloxyketones and alpha-tosyloxyaldehydes were directly prepared from alcohols by treatment with iodosylbenzene and p-toluenesulfonic acid monohydrate in good yields. This method can be used for the direct preparation of thiazoles, imidazoles, and imidazo[1,2-a]pyridines from alcohols in good to moderate yields
Solvent-Free Reductive Amination: An Organic Chemistry Experiment.
Goldstein SW and Cross AV.
Journal of Chemical Education (2015)
The crystal and molecular structure of 4-methyl sulfonic acid (p-toluenesulfonic acid) monohydrate, C7H8SO3-. H3O+, an oxonium salt.
Arora SK and Sundaralingam M.
Acta Crystallographica Section B, Structural Science, 27(7), 1293-1298 (1971)
Detailed characterization of p-toluenesulfonic acid monohydrate as a convenient, recoverable, safe, and selective catalyst for alkylation of the aromatic nucleus.
Mahindaratne MPD and Wimalasena K.
The Journal of Organic Chemistry, 63(9), 2858-2866 (1998)
Chika Taniguchi et al.
International journal of pharmaceutics, 434(1-2), 148-154 (2012-05-31)
This study was undertaken to develop new dipyridamole (DP) formulations with acidic microenvironmental pH-modifiers for improving dissolution and absorption under hypochlorhydric conditions. Dipyridamole granules (DPG) with ten acidic pH-modifiers were prepared with conventional wet granulation, and their manufacturability, stability and
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