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Lilial

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Lilial is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.

Lilial (Wikipedia)

Lilial (a trade name for lily aldehyde, also known as lysmeral or lilestralis) is a chemical compound commonly used as a perfume in cosmetic preparations and laundry powders, often under the name butylphenyl methylpropional. It is an aromatic aldehyde, naturally occurring in crow-dipper and tomato plants, and produced synthetically in large scale. It was banned for use in cosmetics by the EU in March 2022 after being found to be harmful to fertility.

Lilial
Names
IUPAC name
3-(4-tert-Butylphenyl)-2-methylpropanal
Other names
  • 4-tert-Butyl-α-methyl-benzenepropanal
  • 4-tert-Butyl-α-methyl-hydrocinnamaldehyde
  • Butylphenyl methylpropional
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.001.173 Edit this at Wikidata
EC Number
  • 201-289-8
RTECS number
  • MW4895000
UNII
UN number 3082
  • InChI=1S/C14H20O/c1-11(10-15)9-12-5-7-13(8-6-12)14(2,3)4/h5-8,10-11H,9H2,1-4H3
    Key: SDQFDHOLCGWZPU-UHFFFAOYSA-N
  • CC(CC1=CC=C(C=C1)C(C)(C)C)C=O
Properties
C14H20O
Molar mass 204.313 g·mol−1
Appearance Clear viscous liquid
Density 0.94 g/cm3
Melting point −20 °C (−4 °F; 253 K)
Boiling point 275 °C (527 °F; 548 K)
0.045 g/L at 20 °C
log P 4.36
Pharmacology
Topical
Related compounds
Related aldehydes
 Bourgeonal

Isobutyraldehyde
Hexyl cinnamaldehyde
2-Methylundecanal

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

It is also used as an intermediate in the synthesis of agrochemicals such as fenpropimorph and fenpropidin.

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