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Isothiazolinones

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Isothiazolinones 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.

Isothiazolinones (Wikipedia)

Isothiazolinone (/ˌaɪsoʊˌθaɪ.əˈzoʊlɪnoʊn/; sometimes isothiazolone) is an organic compound with the formula (CH)2SN(H)CO. A white solid, it is structurally related to isothiazole. Isothiazolone itself is of limited interest, but several of its derivatives are widely used preservatives and antimicrobials.

Isothiazolinone
Skeletal formula of isothiazolinone
Space-filling model of the isothiazolinone molecule
Names
Preferred IUPAC name
1,2-Thiazol-3(2H)-one
Other names
Isothiazolin-3-one; 3(2H)-Isothiazolone, isothiazolin
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.225.492 Edit this at Wikidata
EC Number
  • 696-206-9
MeSH C001490
UNII
  • InChI=1S/C3H3NOS/c5-3-1-2-6-4-3/h1-2H,(H,4,5) ☒N
    Key: MGIYRDNGCNKGJU-UHFFFAOYSA-N ☒N
  • InChI=1/C3H3NOS/c5-3-1-2-6-4-3/h1-2H,(H,4,5)
    Key: MGIYRDNGCNKGJU-UHFFFAOYAO
  • O=C1NSC=C1
  • c1csnc1O
Properties
C3H3NOS
Molar mass 101.127
Appearance white solid
Melting point 74–75 °C (165–167 °F; 347–348 K)
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H302, H312, H315, H319, H332, H335
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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