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FUMARIC ACID Chemical compatibility with O-rings, rubbers, & plastics

Fumaric acid is a white crystalline solid with a tart taste, represented by the chemical formula C4H4O4. It is used as a food additive, in the manufacture of resins, and in various chemical processes. Fumaric acid can cause skin and respiratory irritation upon exposure. Proper handling, storage, and the use of personal protective equipment (PPE) are essential to ensure safety.

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