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Usage

Uses

Used in Food and Beverage Industry:
1,1,2-Ethanetricarboxylic acid is used as a flavoring agent for its sour taste and as a natural preservative to extend the shelf life of food and drinks.
Used in Cleaning Products:
Citric acid is used as a cleaning agent due to its ability to remove mineral deposits and stains.
Used in Water Treatment:
1,1,2-Ethanetricarboxylic acid is used as a water softener to reduce the hardness of water by precipitating calcium carbonate.
Used in Industrial Applications:
Citric acid is used as a chelating agent to bind with metal ions, preventing corrosion and scale formation in various industrial processes.
Used in Pharmaceutical Industry:
1,1,2-Ethanetricarboxylic acid is used as an excipient in pharmaceutical formulations to improve solubility, stability, and bioavailability of drugs.
Used in the Citric Acid Cycle:
Citric acid plays a crucial role in the citric acid cycle, which is essential for energy production in living organisms.

InChI:InChI=1/C5H6O6/c6-3(7)1-2(4(8)9)5(10)11/h2H,1H2,(H,6,7)(H,8,9)(H,10,11)

Upstream product

• 141-82-2 malonic acid 

Downstream Products

• 6342-90-1 4-(6-methoxynaphthalen-2-yl)-4-oxobutyric acid 
• 110-15-6 succinic acid 
• 15719-64-9 methylammonium carbonate 
• 97-65-4 2-methylenesuccinic acid 
• 498-89-5 paraconic acid 
• 103649-34-9 [(3,4-dimethoxy-phenethylamino)-methyl]-succinic acid 
• 7328-91-8 2,2-Dimethyl-1,3-diaminopropane 
• 1590-22-3 4-(2-naphthyl)-4-oxobutyric acid 
• 86970-00-5 benzylaminomethyl-succinic acid 

Relevant academic research and scientific papers

HPLC studies on the photochemical formation of free radicals from malonic acid

In the Belousov Zhabotinsky reaction, malonyl radicals formed during the oxidation of malonic acid by Ce4+ play an important role in the mechanism of the negative feedback loop. In the past, we have analyzed the end products in the Ce4+-malonic acid reaction applying HPLC technique. For comparison, we generated malonyl radicals by UV irradiation of solutions of malonic acid and we identified the reaction products. Two of these are the same as in the Ce4+-malonic acid reaction, but some additional products are also formed. To explain our experimental results, a new reaction path is proposed where malonyl radicals and hydrogen atoms are the first intermediates in the photochemical decomposition of the malonic acid. Mechanistic differences between this photochemical decomposition and the Ce4+-malonic acid reaction are also discussed.

HPLC studies on the organic subset of the oscillatory BZ reaction. 2. Two different types of malonyl radicals in the Ce4+-malonic acid reaction

Applying combined HPLC and NMR techniques, it was found that, besides the already known 1,1,2,2-ethanetetracarboxylic acid (ETA), monomalonyl malonate (MAMA) is also a product of the Ce4+-malonic acid reaction. This is indirect evidence that two different types of organic radicals are formed in the reaction: the alkyl and the carboxylato malonyl radicals. While ETA is a recombination product of two alkyl radicals, MAMA is formed in the recombination of one alkyl and one carboxylato radical.