Zinc oxide, CAS No. 1314-13-2

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1314-13-2

Catalog No. EBD11363

CAS 1314-13-2

Name Zinc oxide

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Basic Information

Synonyms: Zincwhite C.I.pigmentwhite4 Zincoxide C.I.77947 zincoxideheavy flowersofzinc activezincoxide zinkoxydaktiv zincioxidum activox activoxb actox14 zineoxide zinewhite actox16 actox216 ai3-00277 akro-zincbar85 akro-zincbar90 amalox azo22 azo-33 azo-55 azo-55tt azo-66 azo-66tt ZNO oxozinc zincoxygen(-2)anion

Molecular Formula: OZn

Molecular Weight: 8138.0

MDL Number: MFCD00011300

Categories: Synthetic Chemistry > Basic Synthetic Reagents > Inorganic Compounds and Metal Salts Materials Chemistry > Inorganic and Functional Nanomaterials > Metal Oxide Precursors Functional Chemicals > Consumer & Industrial Chemicals > Industrial Auxiliaries Medicinal Chemistry > Pharmaceutical Excipients > Other Pharmaceutical Excipients

Product Description:

Zinc oxide (ZnO, CAS 1314-13-2) is an inorganic compound that appears as a white powder. It is an amphoteric oxide with a wide bandgap of approximately 3.3 eV, making it a semiconductor material. Its structure is typically hexagonal wurtzite. In the cosmetics and personal care industry, zinc oxide is widely used as a physical (mineral) sunscreen agent. It provides broad-spectrum protection against UVA and UVB radiation by absorbing, reflecting, and scattering ultraviolet light. It is also valued for its mild astringent and soothing properties, making it a common ingredient in diaper rash creams and other topical formulations. Beyond cosmetics, zinc oxide serves as a critical precursor in materials chemistry. It is used to synthesize various functional nanomaterials, including nanoparticles, nanowires, and thin films. These materials find applications in gas sensors, piezoelectric devices, transparent electrodes, and as a photocatalyst for environmental remediation. It is also utilized as a vulcanization activator in rubber manufacturing and as a pigment in paints.

Physical Properties

Melting Point: 1975 °C

Density: 5.6

Solubility: 1.6 mg/L (29 °C) in water

Refractivity: 2.008~2.029

Analytical Data

Appearance: white powder