1782. Carbamide Peroxide

Nomenclature

CAS number: 124-43-6
Urea compd with hydrogen peroxide (1:1); urea hydrogen peroxide; Debrox (SKB); Exterol (Dermal); Gly-Oxide (SKB); Hyperol (Gedeon Richter); Ortizon (obsolete) (Bayer AG).
CH6N2O3; mol wt 94.07.
C 12.77%, H 6.43%, N 29.78%, O 51.02%.
CO(NH2)2.H2O2.

Description and references

Prepn: GB 1555 (1911 to Bayer); M. Strauss, Chem. Zentralbl. 11, 820 (1913). Use for prepn of H2O2: J. Milbauer, Chem. Ztg. 35, 871 (1911), C.A. 5, 3391 (1911). Clinical trial in aphthous stomatitis: M. F. Miller, N. W. Chilton, Pharmacol. Ther. Dent. 5, 55 (1980); as cerumenolytic: S. Fahmy, M. Whitefield, Br. J. Clin. Pract. 36, 197 (1982); as dental bleach: V. B. Haywood et al., J. Am. Dent. Assoc. 125, 1219 (1994).

Properties

White crystals or cryst powder. Dec in air into urea, oxygen, and water. Sol in 2.5 parts water; partly dec by alcohol and ether into H2O2 and urea.

Use

For extemporaneous prepn of H2O2.

Therapeutic Category

Antiseptic; cerumenolytic; dental bleach.

Keywords

Antiseptic/Disinfectant; Peroxides/Permanganates