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Sigma-Aldrich
p-Toluenesulfonic acid monohydrate
402885 -
ACS reagent, ≥98.5%
DOWNLOAD MSDS (PDF)CAS Number: 6192-52-5
Linear Formula: CH3C6H4SO3H · H2O
Molecular Weight: 190.22
Beilstein Registry Number: 3568023
EC Number: 203-180-0
MDL number: MFCD00142137
PubChem Substance ID: 24865132
Properties
| Related Categories | ACS Grade, Chemical Synthesis, Essential Chemicals, Organic Acids, Routine Reagents, |
| grade | ACS reagent |
| vapor density | 5.9 (vs air) |
| assay | ≥98.5% |
| clarity of soln | passes test |
| total impurities | 9.5-11.5% water |
| ign. residue | ≤0.1% |
| mp | 103-106 °C(lit.) |
| anion traces | sulfate (SO42-): ≤0.3% |
| cation traces | Fe: ≤0.01% |
| Na: ≤0.002% | |
| heavy metals (as Pb): ≤0.001% |
Description
Packaging
100, 500 g in poly btl
5 g in glass btl
Price and Availability
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Safety Information
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| RIDADR | UN 2585 8/PG 3 |
| WGK Germany | 1 |
Technical information & documentation associated with this product is available in the Safety & Documentation tab.
References
Merck 14,9533
Beil. 11,IV,241
Fieser 1,1172 / Fieser 4,508 / Fieser 5,673 / Fieser 6,597 / Fieser 7,374 / Fieser 8,488 / Fieser 9,471 / Fieser 11,535 / Fieser 12,507
Aldrich MSDS 1, 1714:D / Corp MSDS 1 (2), 3366:A / FT-IR 2 (2), 3226:A / FT-IR 1 (2), 493:A / FT-NMR 1 (2), 1594:B / IR-Spectra (2), 1006:C / IR-Spectra (3), 1155:A / NMR-Reference 2 (2), 818:C / RegBook 1 (2), 2195:D / Sigma FT-IR 1 (2), 932:C / Structure Index 1, 344:D:8
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