Contact fungicides

Higo A, Ohtake N, Saruwatari K, et al. 1996. Photoallergic contact dermatitis from mancozeb, an agricultural fungicide. Contact Dermatitis 35 183. 

Thormann J (1982) Contact dermatitis to a new fungicide, 2-n-octyl-4-isothiazolin-3-one. Contact Dermatitis 8 204 Dahlquist I (1977) Contact allergy to 3-ethylamino-i,2-benzisothiazol-hydrochloride, a veterinary fungicide. Contact Dermatitis 3 277... 

It does have a number of draw backs. It has poor thermal stability (a property common to most formaldehyde release biocides) and, in some instances, may cause blackening of metalworking fluid concentrates if heated above 50°C for a period of time. Recently, this active ingredient was placed on Annex 1 of the Dangerous Substances Directive having been identified as a potential skin sensitiser. This means that formulations containing efficacious levels of this class of triazine in them would have to be labelled with R43 - may cause sensitisation by skin contact. This is unacceptable to many UK customers. As this material is only bactericidal, it needs to be co-formulated with a fungicide to provide complete protection for a product. 

The control of Phytophthora rot of cacao is particularly difficult in view of the fact that the spores of P. palmivora reproduce inside the shell of living pods where they may escape the action of contact fungicides (39). 

Matsushita T, Aoyama K. 1981. Cross reactions between some pesticides and the fungicide benomyl in contact allergy. Industrial Health 19(2) 77-83. 

Synthetic pesticides Various systemic and contact insecticides, molluscicides, acaricides and fungicides, pyrethroids Absent Exceptional Common Common... 

Under regulations for the enforcement of the Federal Insecticide, Fungicide, and Rodenticide Act, products containing over 50 wt % sodium isopropyl xanthate must bear the label Caution. Irritating dust. Avoid breathing dust, avoid contact with skin and eyes . Rubber goods in repeated 1755... 

---