p-Toluenesulfonic Acid

p-Toluenesulfonic Acid

p-Toluenesulfonic acid (PTSA), or tosylic acid (TsOH), is a corrosive, toxic, solid, strong organic acid. In monohydrate form, its formula is TsOH·H2O. Available in various quantities, PTSA is used as an organic-soluble acid catalyst in organic synthesis.
ACS (3)
ACS Reagent (2)
Extra Pure (8)
190.21 (2)
190.213 (13)
194.18 (1)
≥90% (1)
≥98.5% (1)
≥98.5% (Acid) (2)
98% (2)
99% (8)
1000g (1)
100g (5)
2.5kg (2)
250g (1)
500g (4)
50g (1)
5g (2)
Products (7)
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p-Toluenesulfonic acid monohydrate, 99%, extra pure 
Synonym: unii-3bto78gaff. Molecular Formula: C7H10O4S. Health Hazard 1: Danger. RTECS Number: DB7164000.
p-Toluenesulfonic acid monohydrate, ACS reagent 
Synonym: unii-3bto78gaff. Flash Point: 180°C. Synonym: 4-methylbenzenesulfonic acid monohydrate. Solubility Information: Solubility in water: soluble. Other solubilities: soluble in alcohol, ether and chloroform
p-Toluenesulfonic acid monohydrate, ACS reagent 
Chemical Name or Material: p-Toluenesulfonic acid monohydrate. CAS: 6192-52-5. Health Hazard 1: Danger. Color: White.
p-Toluenesulfonic acid monohydrate, 97% 
Health Hazard 2: GHS H Statement

H314-H335-H319

Causes severe skin burns and eye damage.

May cause respiratory irritation.

Causes serious eye irritation. Beilstein: 3568023. Molecular Formula: C7H10O4S. Molecular Weight (g/mol): 190.21
p-Toluenesulfonic acid monohydrate, ACS reagent 
Chemical Name or Material: p-Toluenesulfonic acid monohydrate. CAS: 6192-52-5. Health Hazard 1: Danger. Color: White.
p-Toluenesulfonic acid sodium salt, 90+% 
Synonym: sodium toluenesulfonate. Synonym: tosylate, sodium. Chemical Name or Material: p-Toluenesulfonic acid sodium salt. Formula Weight: 194.19 (Anhydrous)
p-Toluenesulfonic acid monohydrate, ACS, 98.5+% 
Synonym: unii-3bto78gaff. Beilstein: 3568023. Molecular Formula: C7H10O4S. Boiling Point: 140°C (20mmHg).