---
title: Fumaric Acid
date: 2025-03-05T12:24:07Z
modified: 2026-09-15T04:18:21Z
permalink: "https://allanchem.com/fumaric-acid/"
type: page
status: publish
excerpt: ""
wpid: 4618
timestamp: 2026-09-15T04:18:21Z
tags: []
---

##### CAS Number

110-17-8















##### Grade

USP, FCC















##### Packaging

Bag







































Fumaric Acid is a dicarboxylic organic acid belonging to the carboxylic acid group. It is an unsaturated compound, meaning it contains one double bond in its chemical structure. Fumaric acid is naturally found in various fruits and vegetables, and it is also synthesized industrially for various applications.
**Chemical Formula:** C₄H₄O₄
**Appearance:** A white crystalline powder or granules.
**Uses:**
**Pharmaceuticals:** In pharmaceutical formulations, acts as an excipient and pH adjuster. It may be included in oral medications, effervescent tablets, and dietary supplements for its acidifying properties and as a means of controlling dissolution rates.
**Cosmetics and Personal Care Industry:** It can help regulate the acidity of topical formulations, stabilize emulsions, and improve the efficacy of active ingredients in certain cosmetic formulations.
**Acidulant:** Fumaric acid is widely used as an acidulant and acidity regulator in the food industry. It imparts a sour taste and enhances tartness in food and beverage products, including carbonated drinks, fruit-flavored beverages, candies, gelatin desserts, and baking mixes.
**Preservative:** It exhibits antimicrobial properties and can act as a preservative in certain food formulations, helping to extend shelf life by inhibiting the growth of microorganisms.
**Additional Applications:** Used in industrial processes, such as the production of resins, polymers, and plasticizers. It serves as a precursor in the synthesis of unsaturated polyester resins, which find applications in fiberglass-reinforced plastics, coatings, adhesives, and composites.







































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