Tetrabutylammonium hydrogen sulfate, 99%,

Tetrabutylammonium Hydrogen Sulfate, 99%

Tetrabutylammonium hydrogen sulfate (TBAHS) is a quaternary ammonium salt with the formula [(C₄H₉)₄N]HSO₄. It is a white to off-white crystalline solid or powder used widely as a phase-transfer catalyst (PTC) in organic synthesis, particularly in biphasic reactions involving aqueous and organic phases.

Specifications:

• Chemical Formula: (C₄H₉)₄NHSO₄

• Molecular Weight: 339.56 g/mol

• Appearance: White to off-white powder or crystalline solid

• Purity: ≥ 99%

• Solubility:

  • Soluble in water, methanol, ethanol, and some organic solvents

• Melting Point: ~125–130 °C (may vary slightly by batch)

• Storage Conditions:

  • Store in a cool, dry place, tightly sealed, away from moisture and strong oxidizers

• CAS Number: 32503-27-8

🧪 Uses:

• Phase-Transfer Catalysis (PTC):

  • Facilitates reactions between aqueous and organic immiscible phases, enhancing reaction rates and yields

• Organic Synthesis:

  • Useful in alkylation, oxidation, epoxidation, nucleophilic substitution, and esterification reactions

• Ion-Pairing Agent:

  • Used in chromatography and electrochemistry for ion pairing and improving separation

• Catalyst Support:

  • Often used in micellar catalysis and ionic liquid systems

• Surfactant and Solubilizer:

  • Enhances solubility of reagents in water-organic biphasic systems

🔍 Features (Bullet Points):

• ✅ High Purity (99%) for reliable and reproducible performance in sensitive reactions

• ✅ Effective Phase-Transfer Catalyst for aqueous-organic reaction systems

• ✅ Stable and Non-Volatile: Easily handled in lab conditions

• ✅ Broad Solubility Profile: Compatible with both polar and nonpolar solvents

• ✅ Enhances Reaction Kinetics and facilitates reactions with low aqueous solubility substrates

• ✅ Mild Handling Requirements: Not highly hazardous under normal lab use

• ✅ Reusable Catalyst in some reaction cycles under mild conditions