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p-Toluenesulphonic acid monohydrate, 1 kg

≥98 %, for synthesis
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
i causes skin irritation, causes serious eye irritation, may cause respiratory irritation
P302+P352 P305+P351+P338
i IF ON SKIN: Wash with plenty of water, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
Pack Qty.
Paratoluolsulphonic acid
Empirical formula C7H8O3S · H2O
Molar mass (M) 190,22 g/mol
Density (D) 1,345 g/cm³
Boiling point (bp) 140 °C
Flash point (flp) 180 °C
Melting point (mp) 103 °C
CAS No. 6192-52-5
EG-Nr. 203-180-0
UN-Nr. 2585

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Art. No. 4796.1

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p-Toluenesulphonic acid monohydrate
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4796.1 1 kg plastic


4796.2 10 kg plastic


4796.3 500 g plastic


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Certificates of Analysis

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The following analysis certificates have been found:

Type analysis

Appearancecolorless to pink crystals
Assay≥98 %
Iron (Fe)≤0.001 %
Free sulphuric acid≤0.3 %