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

Chemical name: p-Toluenesulfonic acid monohydrate

Synonymous names: 6192-52-5; 4-methylbenzenesulfonic acid hydrate; 4-Methylbenzenesulfonic acid monohydrate; Benzenesulfonic acid, 4-methyl-,monohydrate;

4-toluenesulfonic acid monohydrate

CAS No: 6192-52-5

EINECS No: 203-180-0

Molecular formula: C7H10O4S

Content: ≥99.0%

Structural formula

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Structural formula

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

Product Description

p-Toluenesulfonic acid hydrate is an important organic compound, widely used in medicine, explosives, synthetic resins, polyethers, cosmetics, tobacco and food industries.

Items/Indicators

Industrial grade

Pharmaceutical grade

Finishing grade

Reagent grade

Total acidity≥% (sulfonic acid)

93.0

95.0

97.0

99.0

Free acid≤%

3.0

2.0

0.7

0.1

Water (excluding crystal water) ≤%

4.0

3.0

2.3

0.9

Iron (Fe++) ≤ppm

50

30

20

10

Burning residue ≤%

/

0.2

0.2

0.02

Melting point (℃)

/

/

/

102-105

Ethanol dissolution test

/

Qualified

Qualified

Qualified

Water dissolution test

Qualified

Qualified

Qualified

Qualified

colour

White

White

White

White

 

Application areas and used:

 

1. Catalytic effect: p-Toluenesulfonic acid hydrate is an important intermediate in organic synthesis, and plays a catalytic and stabilizing role in a variety of reactions. In particular, it performs well in reactions such as esterification, dehydration, alkylation, dealkylation, Beckmann rearrangement, polymerization and depolymerization.

 

2. Medical application: p-Toluenesulfonic acid hydrate is widely used in the medical field and is an important raw material for synthetic drugs. In addition, it is also an intermediate for the production of antibiotics.

 

Industrial application:

 

1. Application in synthetic resins and coatings; plays a role in the synthesis of epoxy resins and amino resins.

 

2. Dye industry: an additive for dye synthesis.

 

3. As a pesticide intermediate

 

Packaging specifications:

Industrial grade, pharmaceutical grade, and exquisite grade plastic woven bags lined with film bags, with a net weight of 25 kilograms per bag. The reagents are packaged in circular cardboard barrels lined with film bags. Each barrel has a net weight of 25 kilograms. For the convenience of users, our company can provide specific packaging according to their needs.

 

Storage conditions:

Need to be sealed and stored in a cool, dry place. stored at room temperature.

 

COA, TDS, and MSDS, please contact [email protected]

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