Tetra-butyl ammonium hydrogen sulfate (TBAHS) is a quaternary ammonium salt with the chemical formula (C4H9)4NHSO4. It is a white crystalline solid that is soluble in water and organic solvents. TBAHS is commonly used as a catalyst in organic synthesis reactions, particularly in the synthesis of esters and amides. It can also be used as a phase transfer catalyst, similar to TBAI. TBAHS is a commercially available compound and can be purchased from various chemical suppliers. It should be handled with care as it is a hazardous chemical and can cause skin and eye irritation, as well as respiratory problems if inhaled. Proper protective equipment, such as gloves and a respirator, should be worn when handling TBAHS.
1. What is tetra-butyl ammonium hydrogen sulfate?
Answer: Tetra-butyl ammonium hydrogen sulfate is an organic compound composed of four butyl groups bound to a central ammonium cation and a hydrogen sulfate anion.
2. What are the uses of tetra-butyl ammonium hydrogen sulfate?
Answer: Tetra-butyl ammonium hydrogen sulfate is primarily used as a corrosion inhibitor in various industrial applications, such as metalworking fluids and oilfield drilling fluids. It can also be used as a surfactant, to lower the surface tension of water, and as a catalyst in certain chemical reactions.
3. What are the safety precautions associated with tetra-butyl ammonium hydrogen sulfate?
Answer: Tetra-butyl ammonium hydrogen sulfate can be hazardous if ingested or if it comes into contact with skin or eyes. Appropriate protective clothing and equipment should be worn when handling this compound, and it should be stored in a cool, dry, and well-ventilated area away from sources of heat and ignition.
4. Is tetra-butyl ammonium hydrogen sulfate environmentally friendly?
Answer: Tetra-butyl ammonium hydrogen sulfate is considered to be fairly environmentally friendly, with a low potential for bioaccumulation and environmental toxicity. However, it should be used with caution and handled responsibly to minimize any potential environmental impact.