Citric Acid

Morgan Cappa R3

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I named my mole Tangy Terry because I thought that tangy portrayed the bitter taste of citrus fruits and Terry because I needed a cute name that would rhythm. The theme for my project was citrus fruits, and more specifically lemons, as citrus fruits contain a fairly large amount of citric acid. I tried to portray this theme by using a fabric with lemons on it and by sewing on felt leafs to make the mole appear as a fruit.

Uses / Purposes

  • natural food preservative
  • intermediate in the Krebs cycle
  • environmentally benign cleaning agent (chelating agent)
  • flavor enhancer
  • pH adjusting agent in creams and gels
  • blood acid regulator
  • active ingredient in chemical peels
  • active ingredient in the production of antiviral tissues
  • alternative to nitric acid in passivation of stainless steel

Interesting Fact

Citric acid can make up to 8% of the dry weight of lemons and limes.

Physical Properties

  • melting point is 156 °C
  • white crystalline powder at room temperature
  • molecular weight of 192.13 g/mol

Chemical Properties

  • can exist as an anhydrous form or as a monohydrate
  • soluble in ethanol at 15 °C

Work Cited

"TCC." Citric Acid. The Chemical Company, n.d. Web. 11 Feb. 2016. <https://www.thechemco.com/chemical/citric-acid/>.


"Citric Acid." Wikipedia. Wikimedia Foundation, 11 Feb. 2016. Web. 12 Feb. 2016. <https://en.wikipedia.org/wiki/Citric_acid#Chemical_characteristics>.


"Citric Acid." Citric Acid. PubChem, n.d. Web. 12 Feb. 2016. <http://pubchem.ncbi.nlm.nih.gov/compound/311#section=Top>.


Citric Acid. Digital image. Shakti Healthcare. N.p., n.d. Web. 18 Feb. 2016. <http://shakti-healthcare.com/product/citric-acid/>.


Citric Acid: Uses/Benefits. Digital image. Pinterest. N.p., n.d. Web. 18 Feb. 2016. <https://www.pinterest.com/loweern/citric-acid-uses/>.


CITRIC ACID. Digital image. MP Biomedicals. N.p., n.d. Web. 18 Feb. 2016. <http://www.mpbio.com/product.php?pid=02101393&country=223>.