SHEET /m/fumaric-acid · PubChem CID 444972 · CAS 110-17-8 · REV 2026.07
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Fumaric acid
from sourceC4H4O4 · 116.07 g/mol
Allomaleic acid · Boletate · Allomaleate · Lichenic acid
What is Fumaric acid?
A step in the citric acid cycle and, in the kitchen, the acid in sourdough bread mixes and powdered drinks, chosen because it does not absorb moisture. from source
CategoryFood & flavor
Chemical familyCarboxylic Acids
LeaderboardsBiggest
Fig. 1 · 2D structure RDKit
SMILES
C(=C/C(=O)O)\C(=O)OToxicity & hazards
Toxicity · LD50
100 mg/kg · moderately toxic · LD50 mouse other from source
1 more reported value
- 20,000 mg/kgLD50 · dermal · rabbit
WarningIrritantH319, H402from source
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