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Merck
CN

T35920

p-甲苯磺酸 一水合物

≥98%, solid, ReagentPlus®

别名:

4-Methylbenzenesulfonic acid monohydrate, 4-Toluenesulfonic acid monohydrate, PTSA monohydrate, TsOH monohydrate

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关于此项目

线性分子式:
CH3C6H4SO3H · H2O
化学文摘社编号:
6192-52-5
分子量:
190.22
UNSPSC Code:
12352100
PubChem Substance ID:
57654665
NACRES:
NA.21
EC Number:
203-180-0
MDL number:
MFCD00142137
Beilstein/REAXYS Number:
3568023
Assay:
≥98%
Form:
solid

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产品名称

p-甲苯磺酸 一水合物, ReagentPlus®, ≥98%

InChI key

[KJIFKLIQANRMOU-UHFFFAOYSA-N], KJIFKLIQANRMOU-UHFFFAOYSA-N

InChI

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

SMILES string

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

vapor density

5.9 (vs air), 5.9 (vs air)

product line

ReagentPlus®

assay

≥98%

form

solid

mp

103-106 °C ((lit.)), 103-106 °C (lit.)

functional group

tosylate

Quality Level

200

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相关类别

Application

在温和条件下，p -甲苯磺酸一水合物可作为 Friedel-Crafts 催化剂的更好替代品，用于芳香核与活化的烷基卤化物、烯烃或甲苯磺酸盐的烷基化反应。

Legal Information

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

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1C - STOT SE 3

target_organs

Respiratory system

存储类别

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

法规信息

危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCP3149
BCCP3148
BCCP1761
BCCP1762
BCCP1758

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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)
G Shanmugam et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 95, 177-183 (2012-05-29)
Bulk crystals of newly identified organic nonlinear optical material 4-methylanilinium p-toluenesulfonate (PMPT) were grown by slow evaporation solution growth method using ethanol as a solvent. It crystallizes in monoclinic system with a noncentrosymmetric space group P2(1). The formation of the
Mild C-H halogenation of anilides and the isolation of an unusual palladium(I)-palladium(II) species.
Robin B Bedford et al.
Angewandte Chemie (International ed. in English), 50(24), 5524-5527 (2011-05-14)
Hans H Adomat et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 902, 84-95 (2012-07-24)
Androgens are key mediators of prostate development and function, a role that extends to the development of prostate diseases such as benign prostatic hyperplasia (BPH) and prostate cancer. In prostate, DHT is the major androgen and reduction and glucuronidation are
Pei Liu et al.
Organic & biomolecular chemistry, 10(24), 4696-4698 (2012-05-18)
A convenient one-pot Mannich-type-cyclization-oxidation tandem process has been developed for the synthesis of 1,3,5-trisubstituted pyrazoles derivatives from aldehydes, hydrazines and alkynes using p-toluenesulfonic acid monohydrate (PTSA) as a multifunctional catalyst. This method provides a flexible and rapid route to 1,3,5-trisubstituted
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