Ethyl lauroyl arginate

Ethyl lauroyl arginate
Names
IUPAC name
Ethyl (2S)-5-(diaminomethylideneamino)-2-(dodecanoylamino)pentanoate
Other names
Ethyl Nα-lauroyl-L-arginate
Lauric arginate ethyl ester
Identifiers
3D model (JSmol)
ChemSpider
E number E243 (preservatives)
UNII
  • InChI=1S/C20H40N4O3/c1-3-5-6-7-8-9-10-11-12-15-18(25)24-17(19(26)27-4-2)14-13-16-23-20(21)22/h17H,3-16H2,1-2H3,(H,24,25)(H4,21,22,23)/t17-/m0/s1
    Key: XJTMYVOVQZMMKX-KRWDZBQOSA-N
  • CCCCCCCCCCCC(=O)NC(CCCN=C(N)N)C(=O)OCC
Properties
C20H40N4O3
Molar mass 384.565 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Ethyl lauroyl arginate HCl
Names
IUPAC name
ethyl (2S)-5-(diaminomethylideneamino)-2-(dodecanoylamino)pentanoate;hydrochloride
Identifiers
3D model (JSmol)
ChemSpider
E number E243 (preservatives)
UNII
  • InChI=1S/C20H40N4O3.ClH/c1-3-5-6-7-8-9-10-11-12-15-18(25)24-17(19(26)27-4-2)14-13-16-23-20(21)22;/h17H,3-16H2,1-2H3,(H,24,25)(H4,21,22,23);1H/t17-;/m0./s1
    Key: CUBZMGWLVMQKNE-LMOVPXPDSA-N
  • CCCCCCCCCCCC(=O)NC(CCCN=C(N)N)C(=O)OCC.Cl
Properties
C20H41ClN4O3
Molar mass 421.02 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Ethyl lauroyl arginate (LAE) is a food preservative, antimicrobial compound, and drug more commonly known as E243. It is used to treat dermatological disorders and is often provided in the form of its hydrochloride salt. LAE is an amino acid-based surfactant with broad-spectrum antimicrobial activity, high biodegradability and low toxicity. Due to these features, LAE is a preservative used in food and cosmetic formulations.

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