Nomenclature
CAS number: 9004-70-0
Cellulose nitrate; nitrocellulose; collodion cotton; soluble gun cotton; collodion wool; colloxylin; xyloidin; celloidin; Parlodion (Mallinckrodt).
Description and references
Variable mixture which consists chiefly of
cellulose tetranitrate. Review: R. T. Bogan et al. in Kirk-Othmer Encyclopedia of Chemical
Technology vol. 5 (Wiley-Interscience, New
York, 3rd ed., 1979) pp 129-143.
Properties
Yellowish-white, matted mass of filaments, having
the appearance of raw cotton. Highly flammable; pyroxlin
with higher nitrogen content may explode! When kept in
well-closed containers and exposed to light it dec. Sol in 25 parts
of a mixture of 1 vol alcohol and 3 vols ether; also sol in methanol,
acetone, glacial acetic acid, amyl acetate. Keep loosely packed in cartons and protected from light and moisture. Can be shipped with safety only when wet with 25-30% water or alcohol.Use
In manuf of collodions; in lacquer coatings, inks,
adhesives. Cellulose hexanitrate is used in explosives and propellants.
Celloidin is used for embedding sections in microscopy; in electrotechnics,
photography, galvanoplasty.
Therapeutic Category
Topical protectant.
Keywords
Topical Protectant