Methylchloroisothiazolinone/methylisothiazolinone mixture (MCIT/MIT)

Description

Kathon 886 metalwork fluid is a mixture of the two isothiazoliones contained in Kathon CG, at a 13.9% concentration. It is mainly contained in metalwork fluids. As an active component of Aigezid Ⅱ and contained in a water bath used for phtotographic development, it caused contact dermatitis in a photograph developer.

Description

Methylchloroisothiazolinone/methylisothiazolinone mixture (MCIT/MIT) is a mixture of isothiazolinone-derived biocides. It is effective against Gram-positive and Gram-negative bacteria with MIC values of 0.0002, 0.0002, 0.00005, and 0.00005% (w/w) for S. aureus, P. aeruginosa, A. niger, and C. albicans, respectively. MCIT/MIT can elicit contact sensitization. Formulations containing MCIT/MIT have been used for controlling microbial growth in industrial and household products.

The Uses of Methylchloroisothiazolinone/methylisothiazolinone mixture (MCIT/MIT)

Antimicrobial preservative in cosmetics, hygeine products, paints, emulsions, cutting oils, paper coatings, and water storage and cooling units.

Hazard

A poison by ingestion.

Contact allergens

Kathon? CG (CG = cosmetic grade) is a 3:1 mixture of CMI and MI, at a 1.5% concentration. It is used for cosmetics and toiletries, metalworking fluids or paints, in which it can be added only periodically or in color film developers. Kathon? 886 MW (MW = metalworking fluids) is a mixture CMI/MI mixture at a 13.9% concentration, mainly contained in metalworking fluids. Kathon? FP 1.5 contains MCI/MI at 1.5% concentration in propylene glycol. Kathon? LX (LX = LateX) contains MCI/MI at a tenfold concentration of Kathon? CG. Kathon? WT (WT = water treatment) is a MCI/MI mixture used in the paper industry. Parmetol? K40, Parmethol? DF 12 and Parmetol? DF 35, Parmetol? A 23, Parmetol? K50, and Parmetol? DF 18 are other brand names of MCI/MI.