Uses of naphthalene powder 

Chemical Synthesis:

Naphthalene serves as a precursor in the synthesis of various chemicals, such as phthalic anhydride, which is used in the production of dyes, resins, and plasticizers.

Chromatography:

It can be used in column chromatography as a stationary phase for separating different chemical compounds.

Organic Reactions:

Naphthalene is used in various organic reactions, including the synthesis of naphthalene derivatives and as a model compound for studying reaction mechanisms.

Solvent:

It acts as a solvent in some organic synthesis reactions, aiding in the dissolution of other compounds.

Test Reagent:

Naphthalene is used in some chemical tests and assays, such as the naphthalene sulfonic acid test for detecting certain types of chemical reactions.

Standard Reference:

It is sometimes used as a standard in analytical chemistry for calibration and comparison purposes in various assays and instrumental analyses.