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CS-W001157 4
Total: USD 88.00

4-Isopropylbenzenesulfonic acid

  • CAS No. 16066-35-6

  • Cat. No. CS-0094251
  • Purity≥97%
  • MDL No.MFCD00137273

*For research and further manufacturing use only, not for direct human use.

4-Isopropylbenzenesulfonic acid|CS-0094251

Structure of 16066-35-6

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General Information

  • CAS No. 16066-35-6
  • Cat. No. CS-0094251
  • Purity ≥97%
  • MDL No. MFCD00137273
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₉H₁₂O₃S
  • Molecular Weight 200.25
  • Synonym(s) 4-(propan-2-yl)benzene-1-sulfonic acid
  • SMILES O=S(C1=CC=C(C(C)C)C=C1)(O)=O

Description

4-Isopropylbenzenesulfonic acid offers a robust sulfonic acid functionality appended to an aromatic ring bearing a sterically hindered isopropyl group. This structural arrangement enhances solubility in organic media while maintaining strong acidity and thermal stability under standard reaction conditions. The compound serves as a potent, bench-stable catalyst in electrophilic substitutions and acid-promoted rearrangements.

Application

4-Isopropylbenzenesulfonic acid serves as a robust, bench-stable Brønsted acid catalyst in organic synthesis. Its aryl sulfonic acid functionality enables efficient protonation, esterification, and electrophilic substitution reactions with high functional group tolerance. The isopropyl substituent enhances solubility in organic media while maintaining strong acidity, making it particularly effective in scale-up applications and catalytic transformations requiring mild to moderate acidic conditions.

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS05
Signal Word : Danger
UN#: 2585
Class : 8
Packing Group : Ⅲ
Hazard Statements : H302+H312+H332-H314
Precautionary Statements : P260-P261-P264-P270-P271-P280-P301+P330+P331-P302+P352-P304+P340-P330-P362+P364-P363-P405-P501

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Computational Chemistry Data

  • TPSA   54.37
  • LogP   2.0567
  • H_Acceptors   2
  • H_Donors   1
  • Rotatable_Bonds   2

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