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Products center-->> fungicide >> mancozeb

mancozeb

 

85%tech, 80%wp,

Fungicide

FRAC  Y; multi-site: alkylenebis(dithiocarbamate)

 

NOMENCLATURE

Common name mancozeb (BSI, E-ISO); mancozèbe ((m) F-ISO); manzeb (JMAF)

IUPAC name manganese ethylenebis(dithiocarbamate) (polymeric) complex with zinc salt 

Chemical Abstracts name [[1,2-ethanediylbis[carbamodithioato]](2-)]manganese mixture with [[1,2-ethanediylbis[carbamodithioato]](2-)]zinc 

CAS RN [8018-01-7] (formerly [8065-67-6]); [8018-01-7] is also applied to other mixed manganese and zinc ethylenebis(dithiocarbamate) complexes 

 

PHYSICAL CHEMISTRY

Composition The ISO definition is 'a complex of zinc and maneb containing 20% of manganese and 2.55% of zinc, the salt present being stated (for instance mancozeb chloride)'.  Form Greyish-yellow powder.  M.p. Decomposes at 192-204 ºC  V.p. Negligible at 20 ºC  S.g./density 1.92  Solubility In water 6.2 ppm (pH 7.5, 25 °C). Insoluble in most organic solvents; dissolves in solutions of powerful chelating agents but cannot be recovered from them.  Stability Stable under normal, dry storage conditions. Slowly decomposed by heat and moisture. On hydrolysis (25 ºC), DT50 20 d (pH 5), 17 h (pH 7), 34 h (pH 9). Mancozeb a.i. is unstable and the tech. not isolated; the formulated product is produced in continuous process.  F.p. 137.8 ºC (Tag open cup) 

 

APPLICATIONS

Biochemistry Non-specific thiol reactant, inhibiting respiration.  Mode of action Fungicide with protective action.  Uses Control of many fungal diseases (e.g. blight, leaf spot, rust, downy mildew, scab, etc.) in field crops, fruit, nuts, vegetables, ornamentals, etc. Particular uses include control of early and late blights of potatoes and tomatoes (at 1.36 kg a.i./ha); Rhizoctonia solani and Streptomyces scabies on seed potatoes; leaf spot diseases on celery, cucurbits, beet, berries and currants; rusts on cereals, vegetables, roses, carnations, asparagus, beans, apples and plums (at 1.6 kg/ha); downy mildews on hops, vines, onions, leeks, lettuce, cucurbits, ornamentals and tobacco; Gloeodes pomigena, Glomerella cingulata, Microthyriella rubi and Physalospora obtusa on apples; scab on apples and pears (at 2.4-3.6 kg/ha); sigatoka disease (Cercospora musae) in bananas; shot-hole of stone fruit; anthracnose of beans and cucurbits; damping-off diseases of vegetables; black leg of beet; needle cast in forestry; and many seed-borne diseases of cereals. Used for foliar application or as a seed treatment.  Formulation types DP; DS; SC; WG; WP. 

 

CERTIFICATE OF ANALYS:

product name:

mancozeb 85% tech

mancozeb 80% wp

a.i. content:

85.02%

80.22%

water:

0.76%

1.00%

mn content:

22.16%

 20.10%

zn content:

2.91%

 2.50%

ph value:

 

8.1

suspensibility:

 

82%

Wetting time:

 

31(s)

 

 

 

 

 

 

wet sieve test:

 

98%

Shenzhen Agroland Chemicals Co.,Ltd.
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