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Sodium prop-2-yne-1-sulfonate,20% in water

  • CAS No. 55947-46-1

  • Cat. No. CS-0149649
  • Purity20% in water
  • MDL No.MFCD08274656

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

Sodium prop-2-yne-1-sulfonate,20% in water|CS-0149649

Structure of 55947-46-1

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General Information

  • CAS No. 55947-46-1
  • Cat. No. CS-0149649
  • Purity 20% in water
  • MDL No. MFCD08274656
  • Storage 4°C, stored under nitrogen, away from moisture
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₃H₃NaO₃S
  • Molecular Weight 142.11
  • Synonym(s) Sodium propynesulfonate
  • SMILES S([O-])(=O)(=O)CC#C.[Na+]

Description

Sodium prop-2-yne-1-sulfonate, 20% in water delivers a stable, moisture-tolerant source of the propargyl sulfonate anion. This aqueous formulation enables direct use in cross-coupling reactions and bioconjugation workflows under standard conditions. The sulfonate group enhances solubility and compatibility with polar reaction media.

Application

Sodium prop-2-yne-1-sulfonate, 20% in water serves as a stable, bench-ready source of the propargyl sulfonate anion, enabling efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions. Its aqueous formulation facilitates handling and compatibility with polar reaction media, while the sulfonate group ensures good solubility and minimal side reactivity. Functions reliably in click chemistry workflows for rapid assembly of triazole-based scaffolds in medicinal chemistry and materials science applications.

Safety Information

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GHS Pictogram :
GHS No : GHS05
Signal Word : Danger
UN#: 3265
Class : 8
Packing Group : Ⅲ
Hazard Statements : H290-H314
Precautionary Statements : P234-P260-P264-P280-P301+P330+P331-P304+P340-P363-P390-P405-P406-P501

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Computational Chemistry Data

  • TPSA   57.2
  • LogP   -3.8312
  • H_Acceptors   3
  • H_Donors   0
  • Rotatable_Bonds   1

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