1-Naphthoyl chloride is an organic compound belonging to the family of naphthalene acyl chlorides. It is a derivative of naphthalene with a carbonyl group attached to a chlorine atom.

Key characteristics:

1. Chemical formula: C11H7ClO.
2. Physical state: it is typically a colorless or pale yellow liquid.
3. Molecular weight: approximately 190.63 g/mol.
4. Solubility: it is soluble in organic solvents like ethanol, methanol, acetone, and ether.
5. Boiling point: around 281°C.
6. CAS number: 879-18-5

1-Naphthoyl chloride is often used in organic synthesis to create other chemical compounds. As an acyl chloride, it reacts with various nucleophiles, enabling the synthesis of naphthalene derivatives such as naphthamides and naphthyl esters. Additionally, it is used in the chemical-pharmaceutical industry as an intermediate in the production of pharmaceuticals and other biologically active substances.