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Merck
CN

27815

p-甲苯磺酸 一水合物

≥99% (calc. to H2O free subst.)

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:
CH3C6H5SO3H · H2O
化学文摘社编号:
分子量:
190.22
EC Number:
203-180-0
UNSPSC Code:
12352106
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Colour Index Number:
42655
Beilstein/REAXYS Number:
3568023
Assay:
≥99% (calc. to H2O free subst.)
Form:
solid
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Quality Level

assay

≥99% (calc. to H2O free subst.)

form

solid

impurities

≥85% toluene-4-solfonic acid, 8-12% water (Karl Fischer)

ign. residue

≤0.5%

SMILES string

O.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

General description

-甲苯磺酸一水合物是一种氧合盐,是一种廉价、易操作的有机合成催化剂。

Application

-甲苯磺酸一水合物是酯化、还原胺化、Biginelli反应和分子间偶联芳香环反应的催化剂。它还用于通过多组分缩合反应制备各种生物活性化合物。


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pictograms

CorrosionExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 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

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

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