Thiophanate-methyl
Common Name Thiophanate-methyl
Chemical Name dimethyl 4,4'-(o-phenylene) bis(3-thioallophanate)
CAS No 23564-05-8
Chemical Group benzimidazole
Molecular Weight 342.4
Empirical formula C12H14N4O4S2
Physical Appearance Colourless Free Flowing Powder
Purity (By HPLC) 98% (min)
 
Formulated Products
Thiophanate-methyl 70% WP
Thiophanate-methyl 50% SC
Thiophanate-methyl 80% WDG

A fungicide effective against a wide range of fungal pathogens
Crops Diseases/Pathogens
Cereals Eyespot and other diseases
Apples and pears Scab
Apples Monilia disease and Gloeosporium rot
Stone fruit Monilia spp
Fruit trees Stone fruit
Pome fruit, stone fruit, vegetables, cucurbits, strawberries, vines, roses, etc Powdery mildews
Beet, oilseed rape, celery, celeriac Leaf spot diseases
Brassicas Club root
Turf Dollar spot, Corticium, and Fusarium spp.
Vines Grey mould
Rice Pyricularia oryzae
Bananas Sigatoka disease

Also used on almonds, pecans, tea, coffee, peanuts, Soya beans, tobacco, chestnuts,
sugar cane, citrus fruit, figs, hops, mulberries, and many other crops.
Used additionally as a wound protectant for pruning cuts on trees.

List of data for Registration
Product Data for
5 Batch Physico-chemical properties Toxicity Bioefficacy
Thiophanate-methyl Technical ✔ ✔ ✔
Thiophanate-methyl 70% WP ✔ ✔ ✔
Thiophanate-methyl 50% SC   ✔ ✔ ✔
Thiophanate-methyl 80% WDG   ✔ ✔ ✔