What is it?
Iodopropynyl butylcarbamate is a compound used as a fungicide and bactericide for wood and paint preservation and now also permitted and used as a cosmetics preservative.

How can I avoid it?
Skin contact with iodopropynyl butylcarbamate is required for it to cause a rash. Discontinutation of exposure to products containing iodopropynyl butylcarbamate should result in improvement and/or resolution of your dermatitis. By law, all products made in the U.S. for topical use have ingredients listed either on the product package or the box that contains it, so check the labeling of your skin care products for this ingredient. If there is no information ask your pharmacist or call the company directly. At work, request a safety data sheet (SDS) to help identify potential sources of exposure.
You should avoid contact with this substance. Avoidance requires reading labels, package inserts, Safety Data Sheets (SDS), and on occasion, direct communication with the manufacturer.

  • Adhesives
  • Cements
  • Inks
  • Cooling fluids
  • Coolants
  • Fungicide and bactericide for wood and paint preservation
  • Paints and primers
  • Wallpaper
  • Metal working fluids
  • Wood preservative
  • Skin care products/Cosmetics
    • Anti-itch and rash creams
    • Bath products
    • Bronzers and self-tanners
    • Hair colorants/“Permanents-relaxers”
    • Lip balms
    • Make-ups and make-up removers
    • Moisturizers
    • Powders/Sprays
    • Shampoos/Conditioners
    • Shaving products

Other names for Iodopropynyl Butylcarbamate:
  •  Glycasil (trade name)
  •  Troysan KK-108a
  •  Germall Plus (when used in combination with Diazolidinyl Urea)
  •  Butyl-3-lodo-2-Propynylcarbamate
  •  Carbamic Acid, Butyl-3-lodo-2-Propynyl Ester
  •  IPBC
  •  3-Iodo-2-propynyl butylcarbamate

Potential cross-reacting/co-reacting substances:
  •  Other carbamates
  •  Carba mix


How safe is it?

Hang tight. We're thinking.