P-Toluenesulfonic Acid Monohydrate 98%
98%
Synonym: PTSA Monohydrate
Linear Formula:
C7H8O3S·H2O
Molecular Weight: 190.22g/mol
CAS Number: 6192-52-5
Properties
| Water Solubility | Soluble |
| Assay Purity | 0.98 |
| Refractive index | 1.382-1.384 |
| B pt. | 140 ℃/20 mmHg |
| M pt. | 106℃ |
| Density | 1.24g/cm3 |
Safety Information
| Hazard Statement(s) | H290 - H314 - H412 |
| Precautionary Statement | P234 - P260 - P273 - P280 - P234 - P303 + P361 + P353 - P305 + P351 + P338 |
| Symbol |
|
| Signal word | Danger |
| HS Code | 29041000 |
| Flash point | 180℃ |
| Storage Temp. | Store At Room Temperature |
| Storage Class | 8 |
| Packaging | Poly Bottle |
| UN Number | 2585 |
Description
Application
p-Toluenesulfonic acid monohydrate (p-TsOHH2O) may be used as a catalyst in the synthesis of the following Unsymmetrical benzils. Highly substituted piperidines. 135-Trisubstituted benzenes by trimerization of alkynes. Triazoloquinazolinone and benzimidazoquinazolinone derivatives. 135-Trisubstituted pyrazoles derivatives.
Purpose
For R&D use onlynot for drug household or other uses.
General Description
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 withP21cspace group.Its solubility in aqueous sulfuric acid solutions has been studied.
Documents
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