Fumaric acid (C4H4O4) is an organic acid widely found in nature and is a component of organic biosynthesis is humans. Chemically, it is an unsaturated dicarboxylic acid. It exists as white or nearly white crystals, odorless with a very tart taste. Fumaric acid is generally nontoxic and nonirritant. Fumaric acid has been used in food and beverage products since the 1940s.

  • Synonyms: Fumaric acid trans-1,2-Ethylenedicarboxylic acid 2-Butenedioic acid trans-butenedioic acid Allomaleic acid Boletic acid Donitic acid Lichenic acid
  • INCI: Fumaric Acid
  • Chemical formula: C4H4O4
  • CAS #: 110-17-8
  • Hazard: • H319 – Causes eye irritation


Use the links below to view all package sizes for these specific products:

Fumaric Acid Fine FCC Anhyd FGRAN
Fumaric Acid V#FA15085 FG
Fumaric Acid FCC Gran Bartek MTL


AppearanceWhite granular or White Crystalline Powder
SolubilitiesAlcohol, Acetone, Ether
Boiling point522 °C
Freezing point 
Molecular weight116.07 g/mol
ClassAcid, Acidulant, Dry Acid
GradesFCC, Food grade, Kosher


Fumaric acid uses include acidulant, alkyd resin, food additive, polyester resins.

  • Personal Care: Fumaric acid is used in cosmetic preparations as a buffer substance to stabilize a PH value. In the cosmetic industry, it is used as a bath salt cleaning agent for dentures.
  • Pharmaceutical: Fumaric acid is used in oral pharmaceutical formulations and has been used clinically in the treatment of psoriasis.
  • Food and Nutrition: Fumaric Acid is used for food additives and acidifiers. It is used as an acidifier for snack foods, ramen, seasonings, candies, puddings, breads, jellies, etc. It is used for regulating the acidity of fruits and vegetables and for preserving foods. Fumaric Acid can economically acidify wine with no detectable difference in flavor. It also is used in animal feeds.
  • Industrial: Fumaric Acid is used to manufacture unsaturated polyester resins (UPR), alkyd resins and plasticizers. It is also used in printing inks and paper sizing. Fumaric acid is used in the manufacture of polyester resins and polyhydric alcohols and as a mordant for dyes.
  • Coatings and Construction: Fumaric acid is used as a raw material in paints for musical instruments, woodworks, structure, ships and brdiges, car interior and exterior products.

Quick Answers

Fumaric acid — also known as trans-butenedioic acid — is a vital ingredient in plants, and it is produced by the human skin when the skin is exposed to natural sunlight.

Knowing where to get fumaric acid is probably just the beginning of your company’s chemical requirements, and Brenntag can fulfill them all in one place, with 10,000 products, a world-class and about 180,000 customers. We think you will find that the experience, global reach, inventory and commitment to quality and safety inherent in all of our chemical distribution will fit in perfectly with your needs as a chemical supplier or the needs of your industry.

Your best approach will be to contact Brenntag North America. Brenntag is the established global market leader in ingredient and chemical distribution and can fully supply all your fumaric acid and other chemical needs.

Fumaric acid is available in 55 lb bag and 50 lb bag.

You can download a copy of the SDS for Fumaric Acid from Brenntag Connect.

Download the SDS now.


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