Zinc Oxide Properties, Molecular Formula, Applications - WorldOfChemicals
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Zinc Oxide Properties

Zinc Oxide

Benzoic Acid-Molecule 3D Struture
Molecule Structure Image

Description

 

Zinc oxide is an inorganic compound. It occurs as a white powder. The mineral zincite usually contains manganese and other impurities that confer a yellow to red color. Zinc oxide is an amphoteric oxide. It is nearly insoluble in water, but it is soluble in (degraded by) most acids, such as hydrochloric acid.The main usage of zinc oxide (zinc white) was in paints and as an additive to ointments. Zinc white was accepted as a pigment in oil paintings by 1834 but it did not mix well with oil.Zinc oxide as a mixture with about 0.5% iron(III) oxide (Fe2O3) is called calamine and is used in calamine lotion. Two minerals, zincite and hemimorphite, have been historically called calamine.Zinc oxide can be used in ointments, creams, and lotions to protect against sunburn and other damage to the skin caused by ultraviolet light (see sunscreen).Zinc oxide is widely used to treat a variety of other skin conditions, in products such as baby powder and barrier creams to treat diaper rashes, calamine cream, anti-dandruff shampoos, and antiseptic ointments.It is also a component in tape (called "zinc oxide tape") used by athletes as a bandage to prevent soft tissue damage during workouts.Zinc oxide nanoparticles can enhance the antibacterial activity of Ciprofloxacin. It has been shown that nano ZnO which has the average size between 20 nm and 45 nm can enhance the antibacterial activity of Ciprofloxacin against Staphylococcus aureus and Escherichia coli in Vitro. Zinc oxide is a constituent of cigarette filters.Zinc oxide was linked to dioxin contamination in pork exports in the 2008 Chilean pork crisis. Zinc oxide nanorod sensors are devices detecting changes in electrical current passing through zinc oxide nanowires due to adsorption of gas molecules.

Chemical Properties

Appearance White Powder
Boiling Point 2360°C
CAS Number 1314-13-2
Class 9
Density 5.6 g/cm3
EINECS Number 215-222-5
HS Code 28170000
IUPAC Name oxozinc
InChI 1/O.Zn/rOZn/c1-2
InChIKey XLOMVQKBTHCTTD-UHFFFAOYSA-N
Melting Point 1975°C
Molar Mass 81.4 g/mol
Molecular Formula ZnO
NFPA 704 H-2,F-1,R-0,C-W
Other_Cations Cadmium Oxide;Mercury(Ii) Oxide
PG 3
RTECS Number ZH4810000
Refractive 2.0041 n/D
Solubility Sparingly Soluble
Synonyms ZnO;Zinc White;Calamine;Zinci Oxidum;Chinese White;C.I. Pigment White 4
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