---
title: Calcium Carbonate - Precipitated
date: 2025-02-21T09:22:48Z
modified: 2026-09-14T06:34:08Z
permalink: "https://allanchem.com/calcium-carbonate/"
type: page
status: publish
excerpt: ""
wpid: 2817
timestamp: 2026-09-14T06:34:08Z
tags: []
---

##### CAS Number

471-34-1















##### grade

ACS, FCC, Ultra High Purity, Tech















##### packaging

Various







































Calcium Carbonate – Precipitated is a chemical compound composed of calcium, carbon, and oxygen, with the chemical formula CaCO₃. It occurs naturally in forms such as limestone, marble, chalk, and calcite. Calcium carbonate is widely used in industry and everyday life due to its abundance, versatility, and diverse applications.
**Chemical Formula:** CaCO₃
**Appearance**: White, odorless, and tasteless solid.
**Uses:**
**Cosmetics and Personal Care Industry:** Calcium carbonate is used as an excipient or filler in cosmetic formulations to improve product stability, texture, and flow properties. It may be added to tablets, capsules, powders, creams, lotions, and toothpaste.
**Pharmaceuticals:** It acts as an antacid to relieve symptoms of heartburn, indigestion, and upset stomach by neutralizing excess stomach acid.
**Calcium Supplement:** Calcium carbonate is used as a dietary supplement to prevent or treat calcium deficiency and osteoporosis. It provides a bioavailable source of calcium, essential for bone health and muscle function.
**Additional Applications:** It is applied as a pigment extender and filler in paints, coatings, and primers to enhance opacity, brightness, and coverage. It helps reduce costs and improve paint performance. In the plastics and rubber industries, calcium carbonate is used as a filler and reinforcing agent.







































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