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p-Toluenesulfonic acid monohydrate CAS:6192-52-5

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p-Toluenesulfonic acid monohydrate CAS:6192-52-5

CAS: 6192-52-5

MF: C7H10O4S

MW: 190.22

EINECS: 203-180-0

Synonyms: 4-Methylbenzenesulfonic acid hydrate;Lisinopril EP IMpurity B;p-Toluenesulfonic Acid, Monohydrate, ACS;Benzenesulfonic acid,4-Methyl-, hydrate (1:1);P-toluene sulfonic acid(water;p-Toluenesulfonic acid Monohydrate >=98.0% (T), >=98.0% (HPLC);p-Toluenesulfonic acid monohydrate ACS reagent, >=98.5%;p-Toluenesulfonic acid monohydrate ReagentPlus(R), >=98%



p-Toluenesulfonic acid monohydrate CAS:6192-52-5 Product introduction

Product name: P-Toluenesulfonic acid monohydrate

Formula: C7H10O4S

M.W: 190.22

CAS#: 6192-52-5

Appearance: White crystalline powder

p-Toluenesulfonic acid monohydrate Characteristic:

White crystalline powder is carboxylic acid organic compounds, which can be used as catalyst, pharmaceutical intermediate, pesticide intermediate, casting, resin curing agent, etc.

p-Toluenesulfonic acid monohydrate COA:

检测项目 Examine items 指标 Specifications 检测结果 Results
Isomer content(%)
对位 Para(≥%) 93 94
邻位 ortho(≤%) 5 3.01
间位 meta(≤%) 5 1.62
White crystalline powder
White crystalline powder
磺酸含量 Assay(≥%) 93 93.5
杂质酸 Free Acid(≤%) 3 2.5
Fe 离子 Fe Assay(≤ppm) 50 25
水份(不含结晶水)Moisture(≤%) 4.0 3.5
灼烧残渣 Ignition residue(≤%) 2.0 1.5
水溶解实验 Water solubility test Confirms Confirms
乙醇溶解试验 Ethanolinsoluble matter Confirms Confirms

P-Toluenesulfonic acid monohydrate Application:

1.Important organic synthetic intermediates, suitable for explosives, medicine, synthetic resins, polyethers, cosmetics, tobacco, food, etc.;

2.Used as catalyst and stabilizer in reaction units such as lipid, dehydration, alkylation, dealkylation, Beckman rearrangement, polymerization and depolymerization;

3.In medicine, it is used for the synthesis of doxycycline, pyriditin, naproxen and for the production of amoxicillin, cefadroxin intermediates.

4.Epoxy and amino resins, coatings and other aspects are also used.

5.Organic synthesis, determination of primary amines, dye industry.




Store in a cool, dry place and keep sealed. Keep away from light, cool, sealed, away from heat and open flames.

Related Products——foaming aid:

Product Name CAS No.
Zinc benzenesulfinate dihydrate 24308-84-7
 4-Methylbenzenesulfonhydrazide 1576-35-8
4,4′-Oxybis(benzenesulfonyl hydrazide) 80-51-3
p-Toluenesulfonyl semicarbazide 10396-10-8
 Benzenesulfonyl hydrazide 80-17-1


1. What is the price of P-Toluenesulfonic acid monohydrate?

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2.Is P-Toluenesulfonic acid monohydrate in stock?

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3. What is the purpose of P-Toluenesulfonic acid monohydrate?

Detailed usage is in the product details page.


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