What is it?
MCI/MI is a widely used preservative.

How can I avoid it?
Avoidance of products containing MCI/MI is accomplished by reading labels. If this substance is not listed, a use test of the product may be done. In the industrial setting, the Safety Data Sheet (SDS) should be reviewed for sources of exposure. Skin protection measures or a job change may be required.

Uses:
  • Adhesives and glues (liquid and stick)
    • All purpose
    • School
    • Wood
    • Craft
    • Fabric
    • Eyelash
    • Shoe glue
  •  Skin care products/Cosmetics
    • Antiperspirants/Deodorants
    • Baby bath oil
    • Dog dander remover
    • Hair sprays, gels, tonics, and lotions
    • Hair colorants/"Permanent-relaxers"
    • Make-ups
    • Moisturizers
    • Nail polish/Nail polish remover
    • Powders/Sprays
    • Shampoos/Conditioners
    • Shaving products
    • Soaps/Cleansers
  • Analgesic gel
  • Household 
    • Dish soap
    • Laundry detergent
  • Industrial Products
    • Additive in refinery oil
    • Biocide
    • Color film developer
    • Cooling tower water
    • Cutting oils
    • Detergents
    • Diesel fuel
    • Glue production
    • Household cleaning products
    • Jet fuels
    • Latex emulsions and paints
    • Medical creams and ointments
    • Metal working fluids
    • Milk sampling
    • Moist toilet paper
    • Printing inks
    • Radiography (x-rays)
    • Slime control in paper mills
    • Water based paints
    • Pesticides
Other names for MCI/MI:
  • 2 Methyl-4-isothiazolin-3-one
  • 5-Chloro 2-methyl-4-isothiazolin-3-one
  • Acticide
  • Algricide
  • Algricid CHSO
  • Amerstat 250
  • Cl+Me-Isothiazolinone
  • Euxyl K-100
  • Grotan K
  • Kathon 886 MW
  • Kathon CG
  • Kathon DP
  • Kathon LX
  • Kathon UT
  • Kathon WT
  • Metat GT
  • Metatin GT
  • Paretol
  • Parmetol K40
  • Parmetol DF12
  • Parmetol DF35
  • Parmetol A23
Potential cross-reacting/co-reacting substances:
  •  Benz-isothiazolinine
MCS7562-216rev0820

How safe is it?

Loader wave
Hang tight. We're thinking.