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Quaternium-15

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Quaternium-15 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.

Quaternium-15 (Wikipedia)

Quaternium-15 (systematic name: hexamethylenetetramine chloroallyl chloride) is a quaternary ammonium salt that has been used as a surfactant and preservative. It acts as an antimicrobial agent because it slowly releases formaldehyde, which is a preservative with biocidal properties.

Cis/trans-Quaternium-15
Names
IUPAC name
1-(3-Chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride
Other names
  • Dowicil 75
  • Dowicil 100
  • Dowco 184
  • Dowicide Q
  • N-(3-chloroallyl) hexaminium chloride
  • hexamethylenetetramine chloroallyl chloride
  • 3,5,7-triaza-1-azoniaadamantane; 1-(3-chloroallyl)-chloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.102.448 Edit this at Wikidata
UNII
  • InChI=1S/C9H16ClN4.ClH/c10-2-1-3-14-7-11-4-12(8-14)6-13(5-11)9-14;/h1-2H,3-9H2;1H/q+1;/p-1 ☒N
    Key: UKHVLWKBNNSRRR-UHFFFAOYSA-M ☒N
  • InChI=1/C9H16ClN4.ClH/c10-2-1-3-14-7-11-4-12(8-14)6-13(5-11)9-14;/h1-2H,3-9H2;1H/q+1;/p-1
    Key: UKHVLWKBNNSRRR-REWHXWOFAS
  • C1N2CN3CN1C[N+](C2)(C3)CC=CCl.[Cl-]
Properties
C9H16Cl2N4
Molar mass 251.16 g·mol−1
Hazards
GHS labelling:
GHS02: FlammableGHS09: Environmental hazardGHS07: Exclamation markGHS08: Health hazard
H228, H302, H315, H317, H361, H411
P210, P273, P280
Safety data sheet (SDS) Sigma Aldrich
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Both quaternium-15 and formaldehyde release agents have been the subjects of controversy. They are often banned in US and Europe.

It can be found under a variety of names, including Dow Chemical Company: Dowicil 200 (cis isomer only), Dowicil 75 and Dowicil 100 (both a mix of cis and trans isomers).

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