Specifications
Common name: Dithianon
Chemical name: 5, 10-Dihydro-5, 10-dioxonaphtho(2, 3-b)-1, 4-dithiin-2, 3-dicarbonitrile; 5, 10-Dihydro-5, 10-dioxonaphtho(2, 3-b)-p-dithiin-2, 3-dicarbonitrile; Dicyano-1, 4-dithia-anthraquinone; Dithiaanthraquinone-2, 3-dinitrile
Molecular Formula: C14H4N2O2S2
Molecular Weight: 296.32
CAS Number: 3347-22-6
Specification: 95%TC, 70%WP, 75%WP, 70%WDG
Physical & Chemical Properties
Properties: Dark brown crystals, with a coppery lustre; (tech., lighter brown).
Toxicity
Oral: Acute oral LD50 for rats 678, Guinea pigs 115 mg/kg.
Skin and eye Acute percutaneous LD50 for rats >2000 mg/kg. Mild skin and eye irritant.
Inhalation: LC50 (4 h) for rats 2.1 mg/l air.
NOEL: (2 y) for rats 20, dogs 40 mg/kg diet; For mice 2.8 mg/kg daily.
ADI: (JMPR) 0.01 mg/kg b. W. [1992].
Toxicity class: WHO (a. I. ) III; EPA (formulation) III
EC hazard: Xn; R22 N; R50, R53
Application
Dithianonis used to control many foliar diseases (but not powdery mildews), includingscab on pome fruit; Stigmina carpophila, Coccomyces hiemalis and scab oncherries; Monilia spp., rust and leaf curl on peaches and apricots; Leaf spotand rust on currants; Didymella applanata on raspberries; Mycosphaerellafragariae and Diplocarpon earliana on strawberries; Plasmopara viticola onvines; Downy mildew on hops; Scab and Phomopsis citri on citrus fruit; Ascochyta chrysanthemi on chrysanthemums under glass; Glomerella cingulata oncoffee; Marssonina leaf spot on poplars; etc. Applied at 1400 g/ha (hops), 525g/ha (pome and stone fruit), 560 g/ha (vines).
Items |
Specifications |
Results |
Captan ≥ % W/W |
95.0 |
95.1 |
Water ≤% W/W |
0.5 |
0.49 |
Fineness (200 mesh) ≥ % |
99 |
99 |
PH Value (5g/100ml00) |
7.0-9.0 |
7.9 |
Appearance |
White or light white powder |
light white powder |
Conclusion |
The results conforms with enterprise standards |