Chemistry:Dodecanedioic acid

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Dodecanedioic acid
Dodecanedioic acid structure.svg
Names
Preferred IUPAC name
Dodecanedioic acid
Other names
DDDA
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
KEGG
UNII
Properties
C12H22O4
Molar mass 230.304 g·mol−1
Appearance White flakes
Density 1.066 g/cm3
Melting point 127–129 °C (261–264 °F; 400–402 K)
Boiling point 245 °C (473 °F; 518 K)
pH dependent
Hazards
Flash point 220 °C (428 °F; 493 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Dodecanedioic acid (DDDA) is a dicarboxylic acid with the formula (CH
2
)
10
(CO
2
H)
2
. A white solid, the compound finds a variety of applications ranging from polymers to materials. The unbranched compound is the most commonly encountered C12 dicarboxylic acid.

Production

DDDA has traditionally been produced from butadiene using a multi-step chemical process.[1] Butadiene is first converted to cyclododecatriene through cyclotrimerization.[2] The triene is then hydrogenated to cyclododecane. Autoxidation by air in the presence of boric acid gives a mixture of cyclodecanol and the cyclododecanone. In the final step, this mixture oxidized to the diacid using nitric acid. An alternative route involves ozonolysis of cyclododecene.[3]

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Biological process

Paraffin wax can be converted into DDDA on a laboratory scale[4] with a special strain of Candida tropicalis yeast in a multi-step process.[5] Renewable plant-oil feedstocks sourced from switchgrass could also be used to produce DDDA.[1]

Uses

DDDA is used in antiseptics, top-grade coatings, painting materials, corrosion inhibitors, surfactants, and polymers. It is one of two precursors to the engineering plastic nylon 612.[6] The once commercial nylon called Qiana was produced on scale using DDDA.

Medical

In type 2 diabetic patients DDDA demonstrated that IV infusion helps to maintain normal blood sugar and energy levels without increasing the blood glucose load in the process.[7]

References

  1. 1.0 1.1 "BIOLON® DDDA". http://verdezyne.com/products/dodecanedioic-acid-ddda/. 
  2. Klaus Weissermel, Hans-Jurgen Arpe (1997). Industrial Organic Chemistry (3rd ed.). John Wiley & Sons. ISBN 3-527-28838-4. 
  3. Cornils, Boy; Lappe, Peter; By Staff, Updated (2014). "Dicarboxylic Acids, Aliphatic". Ullmann's Encyclopedia of Industrial Chemistry. pp. 1–18. doi:10.1002/14356007.a08_523.pub3. ISBN 9783527306732. 
  4. "Dibasic acids". https://www.cathaybiotech.com/en/product.aspx. 
  5. Kroha, Kyle. "Industrial biotechnology provides opportunities for commercial production of new long-chain dibasic acids". Inform (American Oil Chemists Society) 15(9) (Sep 2004): 568. http://Aocs.files.cms-plus.com/inform/2004/9/dibasicacids.pdf. Retrieved 15 March 2019. 
  6. Nylon
  7. Greco, A. V.; Mingrone, G; Capristo, E; Benedetti, G; De Gaetano, A; Gasbarrini, G (1998). "The metabolic effect of dodecanedioic acid infusion in non-insulin-dependent diabetic patients". Nutrition 14 (4): 351–7. doi:10.1016/s0899-9007(97)00502-9. PMID 9591306.