CAS 55965-84-9: Kathon

Description: Kathon, with the CAS number 55965-84-9, is a biocide primarily used as a preservative in various industrial and consumer products, including cosmetics, personal care items, and household cleaners. It is a mixture of two isothiazolinones, specifically methylisothiazolinone and chloromethylisothiazolinone, which work synergistically to inhibit the growth of bacteria, fungi, and algae. Kathon is effective at low concentrations, making it a popular choice for formulations requiring antimicrobial properties. However, it is important to note that Kathon can cause skin sensitization and allergic reactions in some individuals, leading to regulatory scrutiny and restrictions on its use in certain applications, particularly in leave-on products. The substance is typically used in aqueous formulations and is stable under a range of pH conditions. Safety data sheets recommend handling it with care, including the use of personal protective equipment, due to its potential irritant properties. Overall, Kathon is valued for its efficacy in preserving product integrity while also necessitating careful consideration of safety and regulatory guidelines.

Formula: C₄H₅NOS·C₄H₄ClNOS

InChI: InChI=1S/C4H4ClNOS.C4H5NOS/c1-6-4(7)2-3(5)8-6;1-5-4(6)2-3-7-5/h2H,1H3;2-3H,1H3

InChI key: InChIKey=QYYMDNHUJFIDDQ-UHFFFAOYSA-N

SMILES: O=C1C=CSN1C.O=C1C=C(Cl)SN1C

Synonyms:

• Bio-Perge
• Bodoxin
• Cit/Mit
• Isocil
• Isothiazolinone
• Kaisong
• Kathon
• Yisaizuolintong
• 5-Chloro-2-methyl-3(2H)-isothiazolone mixt. with 2-methyl-3(2H)-isothiazolone
• Isothiazolinone chloride
• Kathon 886
• Kathon 886MW
• 3(2H)-Isothiazolone, 2-methyl-, mixt. contg.
• Isothiazolinone (Mit, Cmit)
• Kathon biocide
• 5-Chloro-2-methyl-3(2H)-isothiazolone with 2-methyl-3(2H)-isothiazolone
• 2-methyl-1,2-thiazol-3(2H)-one - 5-chloro-2-methyl-1,2-thiazol-3(2H)-one (1:1)
• 3(2H)-Isothiazolone, 5-chloro-2-methyl-, mixt. with 2-methyl-3(2H)-isothiazolone

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