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Agrochemicals Fungicide Pesticide Thiram 95% Tc White To Cream Powder CAS 137-26-8

Categories Fungicide Pesticide
Brand Name: molotus
Model Number: thiram 95%TC
Place of Origin: china
MOQ: as demand
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Delivery Time: 15-20 days for large package; 20-25 days for small package
Packaging Details: net 25kg in bag or drum or according to client’s requirement
item: thiram 95%TC
Appearance: White to cream powder
Content of a.i.: ≥95%
Water solubles: ≤0.7%
Water: ≤1.5%
target plant: grapes, soft fruit, lettuce, vegetables and ornamentals
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Agrochemicals Fungicide Pesticide Thiram 95% Tc White To Cream Powder CAS 137-26-8

Agrochemicals Fungicide Pesticide Thiram 95% Tc White To Cream Powder CAS 137-26-8


PHYSICAL CHEMISTRY

Mol. wt. 240.4 M.f. C6H12N2S4 Form Colourless crystals. M.p. 155-156 ºC V.p. 2.3 mPa (25 ºC) KOW logP = 1.73 Henry 3.3 ´ 10-2 Pa m3 mol-1 S.g./density 1.29 (20 ºC) Solubility In water 18 mg/l (room temperature). In ethanol <10, acetone 80, chloroform 230 (all in g/l, room temperature). In hexane 0.04, dichloromethane 170, toluene 18, isopropanol 0.7 (all in g/l, 20 ºC). Stability Decomposed in acidic media. Some deterioration on prolonged exposure to heat, air or moisture. DT50 (est.) (22 ºC) 128 d (pH 4), 18 d (pH 7), 9 h (pH 9).



APPLICATIONS

Mode of action Basic contact fungicide with protective action. Uses Protective fungicide applied to foliage to control: Botrytis spp. on grapes, soft fruit, lettuce, vegetables and ornamentals; rust on ornamentals; scab and storage diseases on apples and pears; leaf curl and Monilia on stone fruit. Used in seed treatments alone or in combination with added insecticides or fungicides to control damping-off diseases (e.g. Pythium spp.), and other diseases like Fusarium spp. of maize, cotton, cereals, legumes, vegetables and ornamentals. Also used as a bird repellent. Formulation types DP; FS; SC; WG; WP; WS; Liquid seed treatment.


MAMMALIAN TOXICOLOGY

Reviews FAO/WHO 65, 67 (see part 2 of the Bibliography). IARC ref. 53 class 3 Oral Acute oral LD50 for rats 2600, mice 1500-2000, rabbits 210 mg/kg. Skin and eye Acute percutaneous LD50 for rabbits >2000 mg/kg. Moderate eye irritant; slight skin irritant. In percutaneous toxicity test in humans, application of the dry powder to the skin produced very slight erythema in 9% of cases. Skin sensitiser (guinea pigs). Inhalation LC50 (4 h) for rats 4.42 mg/l air. NOEL (2 y) for rats 1.5 mg/kg b.w. daily; (1 y) for dogs 0.75 mg/kg b.w. daily. ADI (JMPR) 0.01 mg/kg b.w. [1992]. Toxicity class WHO (a.i.) III; EPA (formulation) III EC classification R68| Xn; R20/22| Xi; R36/37| R43


ECOTOXICOLOGY

Birds Acute oral LD50 for male ring-necked pheasants 673, mallard ducks >2800, starlings >100, redwing blackbirds >100 mg/kg. LC50 (8 d) for ring-necked pheasants >5000, mallard ducks >5000, bobwhite quail >3950, Japanese quail >5000 ppm. Fish LC50 (96 h) for bluegill sunfish 0.0445, rainbow trout 0.128 mg/l. Daphnia LC50 (48 h) 0.21 mg/l. Algae EC50 (72 h) 0.065 mg/l. Bees LD50 (oral) >2000 mg/bee (80% formulation); (contact) 73.7 mg/bee (75% formulation). Worms LC50 (14 d) 540 mg/kg soil.


ENVIRONMENTAL FATE

EHC 78 (WHO, 1988). Animals Rapid and extensive metabolism. Degradation products are excreted or integrated into natural constituents. Plants Foliar application results mainly in unchanged thiram. Some conjugation to the glucoside is observed, followed by further degradation and incorporation. Application as a seed treatment results in extensive metabolism with residues incorporated into natural plant constituents. Soil/Environment DT50 0.5 d (sandy soil, pH 6.7).

Product Tags:

chemical fungicides

  

systemic fungicide

  
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