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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)

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)
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
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
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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