p-Toluenesulfonic acid monohydrate
SIAL/T35920 - ReagentPlus®, ≥98%
Synonym: 4-
CAS Number: 6192-52-5
Empirical Formula (Hill Notation): C7H8O3S · H2O
Molecular Weight: 190.22
EC Number: 203-180-0
MDL Number: MFCD00142137
Linear Formula: CH3C6H4SO3H · H2O
Product Type: Chemical
assay | ≥98% |
InChI | 1S/C7H8O3S.H2O/c1-6-2-4-7 |
InChI key | KJIFKLIQANRMOU-UHFFFAOYSA |
mp | 103-106 °C (lit.) |
product line | ReagentPlus® |
Quality Level | 200 ![]() |
SMILES string | [H]O[H].Cc1ccc(cc1)S(O)(= |
vapor density | 5.9 (vs air) |
Application: | p-toluenesulfonic acid monohydrate may be used as a better alternative to Friedel-Crafts catalysts for the alkylation of the aromatic nucleus with activated alkyl halides, alkenes, or tosylates under mild conditions. |
Legal Information: | ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC |
Packaging: | 100, 500 g in poly bottle |
Packaging: | 3, 15 kg in poly drum |
Packaging: | 5 g in glass bottle |
Symbol | ![]() |
Signal word | Danger |
Hazard statements | H290 - H314 - H412 |
Precautionary statements | P234 - P260 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
Hazard Codes | C |
Risk Statements | 34 |
Safety Statements | 26-37/39-45 |
RIDADR | UN 2585PSN2 8 / PGIII |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥98% |
mp | 103-106 °C (lit.) |
UNSPSC | 12352100 |