
Détails du Produit
- Fabricant
- Thermo Scientific
- Référence
- 10238463
À propos de ce produit
Tetrabutylammonium Hydrogen Sulfate, 99%
Description:
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:
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Chemical Formula: (C₄H₉)₄NHSO₄
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Molecular Weight: 339.56 g/mol
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Appearance: White to off-white powder or crystalline solid
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Purity: ≥ 99%
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Solubility:
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Soluble in water, methanol, ethanol, and some organic solvents
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Melting Point: ~125–130 °C (may vary slightly by batch)
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Storage Conditions:
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Store in a cool, dry place, tightly sealed, away from moisture and strong oxidizers
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CAS Number: 32503-27-8
🧪 Uses:
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Phase-Transfer Catalysis (PTC):
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Facilitates reactions between aqueous and organic immiscible phases, enhancing reaction rates and yields
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Organic Synthesis:
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Useful in alkylation, oxidation, epoxidation, nucleophilic substitution, and esterification reactions
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Ion-Pairing Agent:
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Used in chromatography and electrochemistry for ion pairing and improving separation
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Catalyst Support:
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Often used in micellar catalysis and ionic liquid systems
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Surfactant and Solubilizer:
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Enhances solubility of reagents in water-organic biphasic systems
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🔍 Features (Bullet Points):
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✅ High Purity (99%) for reliable and reproducible performance in sensitive reactions
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✅ Effective Phase-Transfer Catalyst for aqueous-organic reaction systems
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✅ Stable and Non-Volatile: Easily handled in lab conditions
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✅ Broad Solubility Profile: Compatible with both polar and nonpolar solvents
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✅ Enhances Reaction Kinetics and facilitates reactions with low aqueous solubility substrates
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✅ Mild Handling Requirements: Not highly hazardous under normal lab use
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✅ Reusable Catalyst in some reaction cycles under mild conditions
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