
Isoprothiolane
[Another Name]: Fuji No.1
[Chemical Name]: Dllsopropyl 1,3-dithiolan-2-ylidenemalonate
[Molecular Formula]: C12H18O4S2
[molecular weight]: 290.25
[Physical and Chemical Properties]:The pure isoprothiolane is a white crystalline solid, smells a offensive, Its melt point is from 54.5¡æto55¡æ, boiling point is between 167¡æ and 169¡æ at a pressure of 166.7Pa, its relative density is 1.044, and its vapour pressure at 25¡æ is about 18.7MPa. This chemical is ready to dissolve into some organic solvents including bonzol, alcohols and acetone, its water solubility at 20¡æ is 48mg/L, it shows good stability under sunshining and heating, and it also keeps stable in a solution with PH values from 3 to 10; however, this chemical in the water will became unstable to UV light, This power chemical is slight yellow crystalline solid, gives off a little stink smell, its melt point is from 50¡æ to 51¡æ.
[Use]:This pesticide is an internal absorption bactericide. It has special good affect for rice neck blast, its effect for rice leaf blast is better than that of kitazine, and it is also suitable for curing rice shoots diseases and little coccus nueleus diseases, if this chemical is applied for a large square field, it can kill some rice delphacid and Leafhopper, at the same time it has adjusting function to plant growing. Before use it, it should be diluted by 500-800 times, normal dosage is 100-150/per acre. The effective period is 20-30days. The spray with normal dosage is not harmful to crops. the safe interval period is 14 days.
[Packing And Storage]:
Powder chemical: 25kg/ plastic woven bag or fibre drum.
Emulsion oil: 200kg/iron drum , Keeping them from sunlight
[Quality standard]:
1.Powder chemical, slight yellow crystal |
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| Concentration of effective component,%¡Ý | 97.0 |
| Water content,%¡Ü | 0.2 |
| Acid degree(base on sulphuric acid), %¡Ü | 0.1 |
| Subject unsoluble in actone,%¡Ü | 0.1 |
2.Emulsion oil:95%min |
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