2484. Collodion

Description and references

A soln of 4 g pyroxylin (chiefly nitrocellulose) in 100 ml of a mixture of 25 ml alcohol and 75 ml ether. Contains about 70% ether and 24% abs alc by vol.

Properties

Colorless, or slightly yellow, clear or slightly opalescent, syrupy liquid. Has the odor of ether. d2525 0.765-0.775. Exposed in thin layers, it evaporates leaving a tough, colorless film. On the addition of water the pyroxylin ppts.

Derivative

Flexible collodion.

Properties

Mixture of simple collodion with 2% camphor and 3% castor oil (by wt). Yellow syrupy liquid; contains about 67% ether and about 22% abs alcohol by volume.

Derivative

Styptic collodion.

Properties

Mixture of flexible collodion with 18% tannic acid by wt. Contains about 61% ether and about 21% abs alcohol by volume.

Caution

Highly flammable! Keep tightly closed in a cool place and away from flame!

Use

Collodion in photography; manuf lacquers, patent and artificial leathers, artificial pearls; process engraving; in cements.

Therapeutic Category

Collodion and flexible collodion as topical protectant; styptic collodion as hemostatic.

Therapeutic Category (Veterinary)

Skin protectant.

Keywords

Topical Protectant

Styptic Collodion: Hemostatic