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Product: Mancozeb Chemical Family: Dithiocarbamate Fungicide Appearance: Yellowish powder or granules, slight sulfur odor Intended Use: Used by growers to control fungal diseases in crops including potatoes, tomatoes, nuts, and field grains
Acute Hazards: Irritating to eyes and skin, potential for allergic skin reactions, possibly harmful if swallowed or inhaled Chronic Hazards: Extended exposure links to thyroid and reproductive harm, not considered a confirmed human carcinogen, but some animal studies found thyroid tumors Environmental Hazards: Toxic to aquatic life and organisms, risk to bees and non-target plants in runoff Physical Hazards: Dust can be explosive under certain conditions Signal Word: Warning signs include eye irritation, skin rash, sneezing, or sore throat following exposure
Active Ingredient: Mancozeb (ethylenebis(dithiocarbamate)), generally 75–85% concentration in agricultural products Other Ingredients: Inert fillers, anti-caking agents, dispersants Key Decomposition Product: Ethylene thiourea, a substance with toxicity concerns during heating or burning
Exposure Through Skin: Rinse thoroughly with soap and water, remove contaminated clothing, attend to signs of rash or discomfort Contact With Eyes: Rinse eyes for at least 15 minutes, lifting eyelids Inhalation: Move to fresh air, monitor for difficulty breathing, sneezing, or coughing Ingestion: Seek medical help; do not induce vomiting unless directed by medical personnel Medical Attention: Persistent irritation or allergic reactions call for evaluation by a healthcare provider
Suitable Extinguishing Media: Dry chemical, carbon dioxide, water fog; avoid strong water spray that spreads powder Special Equipment: Full protective gear and self-contained breathing apparatus against toxic smoke Hazardous Byproducts: Sulfur oxides, nitrogen oxides, carbon disulfide, and ethylene thiourea produced at high temperatures Safety Tips: Control water runoff, minimize dust cloud, ventilate spaces after extinguishing
Spill Containment: Restrict access, ventilate area, avoid contact and inhalation, prevent entry into waterways or drains Cleanup: Wear protective clothing, use shovels or vacuum systems, sweep up without raising dust, transfer to labeled waste containers Environmental Protection: Scoop up residues, minimize soil contamination, report to authorities if large spill enters water
Safe Handling: Use with proper ventilation, minimize dust, wash hands and face after working with Mancozeb, keep away from food and drink Storage Conditions: Keep in a sealed, original container, stored in a dry, cool, well-ventilated space, away from direct sunlight and incompatible substances like acids or strong oxidizers Cross-Contamination: Avoid storing near feed, seeds, or other pesticides used for different crops
Engineering Controls: Local exhaust ventilation, enclosed systems to reduce dust Personal Protection: Chemical-resistant gloves, long-sleeved protective clothing, goggles, protective footwear, and a dust mask or respirator for extended use Hygiene Measures: Wash exposed skin, launder clothing before reuse, never eat or drink while handling Mancozeb, keep PPE separated from other clothing Exposure Limits: Standards vary by region, but agricultural workers face recommendations to limit daily and annual exposure
Form: Powder or granular solid Color: Yellow to light gray Odor: Mild sulfur odor Solubility: Slightly soluble in water, forms suspension rather than solution Stability: Stable under normal temperatures, decomposes at elevated heat producing hazardous gases Dust Explosion Risk: Fine particle clouds may ignite in specific conditions
Chemical Stability: Stable when stored in original container under recommended conditions Incompatibility: Strong acids and oxidizers accelerate decomposition, release of toxic gases Reactivity: Not known to undergo violent polymerization, but heat and acidic conditions must be avoided Hazardous Decomposition: Sulfur oxides, nitrogen oxides, carbon disulfide, carbon monoxide, and ethylene thiourea released if product burns or degrades
Acute Effects: Eye and skin irritation, possible allergic skin reactions, throat or lung irritation in case of inhalation Chronic Effects: Repeated dermal exposure or inhalation may result in allergic dermatitis or thyroid dysfunction; laboratory animals display higher risk of thyroid tumors and developmental effects Oral Toxicity: Moderate, with effects including lethargy, gastrointestinal upset, and muscle coordination problems at high doses Synergistic Risks: Mixing or repeated exposure with other pesticides increases sensitivity and reaction risk
Environmental Fate: Persists in soil for short to moderate time, breaks down to ethylene thiourea, which is more persistent and mobile Toxicity to Aquatic Life: Very toxic to fish, aquatic invertebrates, and algae; rotational crop restrictions in some areas aim to lessen runoff impact Effects on Beneficial Organisms: Harmful to bees and beneficial insects if applied during bloom Bioaccumulation: Low for Mancozeb, higher for some breakdown products
Product Disposal: Incinerate in permitted facility; small-scale disposal may involve high-temperature burning under controlled conditions Container Disposal: Triple rinse, puncture, and recycle where facilities exist, or landfill in accordance with local regulations Safe Practices: Never pour concentrates into drains, sewers, or surface water Community/Worker Education: Training on waste handling supports long-term public health and prevents repeated soil contamination
UN Classification: Hazardous material in bulk, subject to strict labeling and packaging laws in most countries Transport Precautions: Avoid damp conditions, heat, and physical damage to packaging Documentation: Clearly mark all containers with hazard signage, maintain paperwork as required for hazardous agricultural chemicals Cargo Handling: Only trained personnel handle large quantities, emergency response plan required during shipment
Global Standards: Registered for agricultural use across North and South America, Europe, and parts of Asia, though banned or restricted in some regions over health or residue concerns Worker Protections: Maximum residue limits in crops, minimum reentry intervals after application, use of PPE, safety training in many jurisdictions Reporting Requirements: Any accidental environmental release, poisoning, or misuse triggers notification to local or national authorities Ongoing Review: Health and environmental agencies continue review of safety data and regulatory status, taking new research into account
