CAS NO.: 6192-52-5
Synonym:
METHYLBENZENESULFONIC ACID MONOHYDRATE;
4-METHYLBENZENESULFONIC ACID MONOHYDRATE;
4-TOLUENESULFONIC ACID MONOHYDRATE;
4-TOLUENESULPHONIC ACID;
4-TOLUENESULPHONIC ACID MONOHYDRATE;
TFF;
PARA TOLUENE SULFONIC ACID;
PTS-ACID MONOHYDRATE
Application:
p-Toluenesulfonic acid monohydrate is important organic synthesis intermediates for explosives, pharmaceuticals, synthetic resins, polyether, cosmetics, tobacco, food and so on; in esterification, dehydration, alkylation, dealkylation, Beckmann rearrangement, polymerization and depolymerization reactions and other reaction unit used as a catalyst, stabilizer; in medicine for the synthesis of doxycycline, dipyridamole, naproxen and for the production of amoxicillin, cefadroxil intermediates. Epoxy and amino resins, coatings, etc. are also applied.
Standards: Q/320511 XXH01-2001
Analysis:
Certificate of Analysis--- p-Toluenesulfonic acid monohydrate
Analysis Item
|
Technical grade
|
Appearance
|
White needle crystals
|
Total acidity(C7H8O3S.H2O)
|
93.0%min
|
Free acid (H2SO4)
|
3.0%max
|
Moisture
|
4.0%max
|
Fe2+
|
50ppm max
|