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