Sodium salicylate

Sodium salicylate
Formula: 

HOC6H4COONa

Synonyms: 
Salsonin, Monosodium salicylate, Sodium o-hydroxybenzoate, Diuratin, Monosodium salt
Description: 

Sodium salicylate is commonly used in whistle compositions. It is a white powder and is said to perform better than the cheaper alternative, potassium benzoate.

Sources: 

Fireworks supply stores.

Sodium salicylate is a sodium salt of salicylic acid. It can be prepared from sodium phenolate and carbon dioxide under higher temperature and pressure.

It is used in medicine as an analgesic and antipyretic. Sodium salicylate also acts as non-steroidal anti-inflammatory drug (NSAID) and induces apoptosis in cancer cells. It is also potential replacement for aspirin for people sensitive to it.

Hazards: 

Harmful if swallowed, affects the central nervous system. Irritant to skin, eyes and respiratory tract. Do induce vomiting immediately by medical personnel.