p-Toluenesulfonic Acid Monohydrate CAS 6192-52-5 Purity >99.0% (HPLC)
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Chemical Name | p-Toluenesulfonic Acid Monohydrate |
Synonyms | PTSA Monohydrate; para-Toluenesulfonic Acid Monohydrate; 4-Methylbenzenesulfonic Acid Monohydrate; 4-Toluenesulfonic Acid Monohydrate; Toluene-4-Sulfonic Acid Monohydrate |
CAS Number | 6192-52-5 |
CAT Number | RF-PI2258 |
Stock Status | In Stock, Production Capacity 650MT/Year |
Molecular Formula | C7H8O3S·H2O |
Molecular Weight | 190.22 |
Density | 1.24 g/cm3 |
Sensitive | Hygroscopic |
Solubility (Soluble in) | Soluble in Water, Alcohols, and Other Polar Organic Solvents |
Solubility in Water | Soluble; Almost Transparency; Degree of Solubility in Water 670 g/l |
Brand | Ruifu Chemical |
Item | Specifications |
Appearance | White to Off-White Powder, Crystals or Chunks |
Purity / Analysis Method | >99.0% (HPLC) |
Purity / Analysis Method | 98.5~102.0%(After Drying) (Neutralization Titration) |
Melting Point | 103.0~107.0℃ |
Water (by Karl Fischer) | 8.0~12.0% |
Residue on Ignition (Ash) | <0.10% |
Iron (Fe) | <0.010% |
Sodium (Na) | <0.002% |
Heavy Metals (as Pb) | <0.001% |
Sulfate (SO4) | <0.30% |
Chloride (Cl-) | Pass |
Total Impurities | <1.00% |
Solubility Test in Ethanol | Pass |
Solubility Test in Water | Pass |
Infrared Spectrum | Conforms to Structure |
Proton NMR Spectrum | Conforms to Structure |
Test Standard | Enterprise Standard |
Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement
Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture
p-Toluenesulfonic Acid Monohydrate (CAS: 6192-52-5) is used for synthesis of doxycycline on medicine, dipyridamole, amoxicillin, hydroxyl ammonia benzyl cephalosporin intermediates such as important raw material; Widely used in organic chemical industry; In dilute acid ester c, textile auxiliaries, photographic film, polymerization of stabilizer and organic synthesis catalyst (esters); In resin, paint, man-made board, casting, paint and other industries are widely used as curing agent, and curing speed, the film does not change color; Is also a synthetic ethoxy quinoline important raw materials, also widely used in pesticide synthesis industry, also used as electroplating intermediates. p-Toluenesulfonic Acid Monohydrate, an oxonium salt, is an inexpensive and easy to handle organic catalyst used in organic synthesis. The study of its crystalline structure shows that it is monoclinic with P21/c space group. p-Toluenesulfonic Acid Monohydrate is used as catalyst and stabilizer in reaction units such as lipidation, dehydration, alkylation, dealkylation, Beckmann rearrangement, polymerization and depolymerization. Epoxy and amino resins, coatings and other aspects are also used.