---
title: Zinc Oxide
date: 2025-03-05T12:41:30Z
modified: 2026-09-15T05:21:26Z
permalink: "https://allanchem.com/zinc-oxide/"
type: page
status: publish
excerpt: ""
wpid: 4753
timestamp: 2026-09-15T05:21:26Z
tags: []
---

##### CAS Number

1314-13-2















##### Grade

USP















##### Packaging

Bag







































Zinc Oxide is a white powder that is insoluble in water. It occurs naturally as the mineral zincite but is most often produced synthetically.
**Chemical Formula:** ZnO
**Appearance:** A white, water-soluble ionic compound.
**Uses:**
**Pigment:** Provides a white pigment or pigment extender in paints, coatings, and varnishes to provide opacity.
**Skin Care and Sunscreens:** Zinc oxide is used in cosmetics and skincare products, such as sunscreens, lotions, creams, and ointments, as a UV filter, skin protectant, and soothing agent.
**Rubber Compounding:** In rubber compounding, zinc oxide can be used as a reinforcing filler or processing aid to improve tensile strength, and tear resistance.
**Rubber Industry:** In tire manufacturing zinc oxide is used as an activator in the vulcanization process of rubber to improve cross-linking efficiency.
**Ceramics and Glass Manufacturing:** Acts as a fluxing agent or opacifier in ceramic glazes and enamels.
**Paint and Coating Industry:** It helps create durable, long-lasting, and aesthetically pleasing finishes on substrates, including metal, wood, and masonry.







































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