Description

Dithane M-45 is a broad-spectrum, protective fungicide belonging to the dithiocarbamate chemical class. It is valued for its reliable efficacy in preventing and controlling a wide range of fungal diseases across various crops. This product is essential for agricultural professionals, horticulturists, and formulators seeking a proven solution for crop protection programs.

Application

• Agricultural Fungicide: Primary use in the prevention and control of fungal diseases such as blight, downy mildew, and leaf spot on a wide variety of crops including potatoes, tomatoes, grapes, and fruit trees.
• Horticultural Protection: Used in nurseries, greenhouses, and ornamental plant cultivation to protect against soil-borne and foliar pathogens.
• Seed Treatment: Application as a seed dressing to protect seedlings from damping-off and other early-stage fungal infections.
• Turf Management: Employed in the maintenance of golf courses, sports fields, and lawns to control turf diseases.
• Industrial Formulations: Serves as a key active ingredient for manufacturers producing commercial fungicide formulations, including wettable powders and dispersible granules.
• Post-Harvest Treatment: In some applications, used to prevent fungal growth during the storage of certain agricultural commodities.

Basic Information

Product Name	Dithane M-45
CAS No.	39400-84-5
Molecular Formula	C4H6MnN2S4 • C4H6ZnN2S4
Molecular Weight	541.1 g/mol (for the coordination complex)
Synonyms	Mancozeb; Manganese ethylenebis(dithiocarbamate) (polymeric) complex with zinc salt; Dithane M45; Manzate 200; Manzeb; Nemispor; Penncozeb; Vondozeb; Zimaneb; Carbamodithioic acid, 1,2-ethanediylbis-, manganese zinc complex
EINECS	254-455-8

Quality Control

Our Dithane M-45 is manufactured under strict quality protocols to ensure batch-to-batch consistency and efficacy. Quality is verified through a series of analytical tests including assay, impurity profiling, and physical parameter checks. Certificates of Analysis (COA) documenting compliance with FAO and other relevant agricultural specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in original packaging away from moisture to prevent caking and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellowish powder
Identification (IR)	Conforms
Assay (Mancozeb)	Min. 80%
Manganese (Mn) Content	20% typical
Zinc (Zn) Content	2.0% typical
pH (1% suspension)	6.0 - 8.0
Moisture	Max. 2.0%
Sieve Analysis	Min. 98% through 45μm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.