2-Hydroxy-4-methylbenzenesulfonic Acid

• CAT Number: C000994
• CAS Number: 22356-80-5
• Molecular Formula: C₇H₈O₄S
• Molecular Weight: 188.2
• Purity: ≥95%
• Synonyms: 2-Hydroxy-p-toluenesulfonic Acid
• Solubility: Methanol (Slightly), Water (Slightly)
• Appearance: Off-White to Pale Red Solid
• Storage: 4°C, Hygroscopic
• IUPAC Name: 2-hydroxy-4-methylbenzenesulfonic acid
• InChI: InChI=1S/C7H8O4S/c1-5-2-3-7(6(8)4-5)12(9,10)11/h2-4,8H,1H3,(H,9,10,11)
• InChIKey: GCFPFWRHYINTRX-UHFFFAOYSA-N
• SMILES: CC1=CC(=C(C=C1)S(=O)(=O)O)O

2-Hydroxy-4-methylbenzenesulfonic Acid（Cat No.:C000994）, is a synthetic organic compound known as p-toluenesulfonic acid. It is a white to off-white crystalline solid with a strong acidic property. The compound is widely used as a catalyst and reagent in various chemical reactions, including esterifications and alkylations. p-Toluenesulfonic acid is a valuable tool in organic synthesis, providing high yields and facilitating specific transformations.

Reference

Kim, S., et al.: J. Agr. Food Chem., 59, 4570 (2011)