Benzocaine Impurity 4 (Ethyl p-Nitrobenzoate)(CAS: 99-77-4)

Benzocaine Impurity 4, also known as ethyl p-nitrobenzoate, is a chemical compound used as a raw material in the synthesis of pharmaceuticals. It has the chemical formula C9H9NO2. This impurity has a yellow to light yellow crystalline form and is soluble in ethanol and methanol.

Benzocaine Impurity 4 (CAS: 99-77-4) is primarily used in the pharmaceutical industry as a precursor in the synthesis of benzocaine, a local anesthetic. It also finds use in the production of other organic compounds and as a reagent in organic synthesis.

Benzocaine Impurity 4 (CAS: 99-77-4) is generally considered safe when handled under appropriate conditions. However, it is mildly toxic and can cause skin irritation. Proper protective measures, such as gloves and goggles, should be worn during handling. Follow all safety standards and use in a well-ventilated area.

Benzocaine Impurity 4 (CAS: 99-77-4) should be stored in a cool, dry place away from direct sunlight. It should be kept in a tightly sealed container to prevent contamination and degradation. Store it at room temperature, ideally between 15-25°C, and ensure it is protected from humidity and moisture.