Methylchloroisothiazinoline / methylisothiazinolone

---

Where is Methylchloroisothiazinoline / methylisothiazinolone found?

This substance is a preservative used in personal hygiene products (such as shampoos, lotions, emulsions, and sun screens), and in industrial cooling oils, cutting oils, and paper finishes. It is also commonly added to household cleaners as a substitute for formaldehyde. This substance is a component in Kathon and Grotan preservatives.

How can you avoid contact with Methylchloroisothiazinoline / methylisothiazinolone?

Avoid products that list any of the following names in the ingredients:

• 4-Isothiazolin-3-one, 5-chloro-2-methyl-
• 5-Chloro-2-methyl-4-isothiazolin-3-one
• Methylchloroisothiazolinone
• 3(2H)-Isothiazolone, 5-chloro-2-methyl-
• BRN 1210149
• EINECS 247-500-7
• Kathon CG 5243

What are some products that may contain Methylchloroisothiazinoline / methylisothiazinolone?

A clinician's point of view.

Additional resources and links for Methylchloroisothiazinoline / methylisothiazinolone.

To submit resources or links, please fill out the submission form at the top of this page.

For additional information about products that might contain Methylchloroisothiazinoline / methylisothiazinolone, visit the Consumer Product Information Database. These lists are brief and provide just a few examples. They are not comprehensive. Product formulations also change frequently. Read product labels carefully and talk to your doctor if you have any questions. These are general guidelines. Talk to your doctor for more specific instructions.