Mancozeb

  • Manganese ethylenebis(dithiocarbamate) (polymeric) complex with zinc salt
  • Manganese zinc ethylenebis(dithiocarbamate)
  • Manzeb
Formula
C4H6MnN2S4.C4H6N2S4Zn
Structure
Description
Greyish-yellow powder. Musty odor.
Uses
Leaf and soil fungicide.

Registry Numbers and Inventories.
CAS
8018-01-7
EC Index Number
006-076-00-1
RTECS
ZB3200000
RTECS class
Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Reproductive Effector
UN (DOT)
2210
Beilstein/Gmelin
NA
RCRA
U114
EPA OPP
14504
Swiss Giftliste 1
G-2382
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C8H12MnN4S8Zn
Formula mass
541.03
Melting point, °C
192
Solubility in water
Insoluble
Partition coefficient, pKow
1.33

Hazards and Protection.
Storage
Store in a dry, shaded well-ventilated area. Do not allow to become wet or overheated in storage as decomposition, impaired activity, or fire may result. Material is combustible. Do not ignite. Store bagged material only on pallets no more than 3 high.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate clothing to prevent any reasonable probability of skin contact. Wear eye protection to prevent any possibility of eye contact.
Respirators
Organic vapor-acid gas canister; available in the cab or cockpit and worn while exiting.
Small spills/leaks
Wear protective clothing. Wear respirator suitable for dust concentration encountered (As1715 approved or equivalent). Scoop or shovel solid material into a suitable container for recovery or disposal. Keep dust to a minimum. Flush cleaned area with water to a contaminated (chemical) sewer. Remove contaminated clothing promptly and wash affected skin areas with soap and water. Thoroughly launder clothing before reuse. Do not take clothing home to be laundered. Keep spills and cleaning runoffs out of municipal sewers and open bodies of water.
Stability
Stable under normal, dry storage conditions. Slowly decomposed by heat and moisture.
Incompatibilities
Strong oxidizing agents.
Decomposition
Slowly decomposed by heat and moisture. When heated to decomposition it emits very toxic fumes of sulfoxides, zinc oxide and oxides of nitrogen.

Fire.
Flash Point,°C
138
Autoignition, °C
132
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Health.
Exposure limit(s)
TLV (as TWA): ppm; 5 (dust) or 1 (fume) mg/m3; as STEL: 3 mg/m3 (fume) (ACGIH 1994-1995). MAK: ppm; 0.5 mg/m3 (1994).
Carcinogin
CP65
Poison_Class
4
Exposure effects
Effects may be delayed. High concentrations has caused thyroid effects, tumors and birth defects in test animals.
   Ingestion
Nausea, vomiting and diarrhea may occur.
   Inhalation
Respiratory failure, requiring ventilatory support, has been reported following ingestions.
   Skin
Irritating to skin after repeated or prolonged contact.
   Eyes
Moderately irritating.

First aid
 
   Ingestion
Ipecac induced vomiting is not recommended because of the potential for cns depression and seizures. Consider after ingestion of a potentially life-threatening amount of poison if it can be performed soon after ingestion (generally within 1 hour). Activated charcoal: administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents. Intravenous fluids may be useful in restoring extracellular fluid volume following severe vomiting and diarrhea. Oxygen therapy is effective in relieving the distress of antabuse-like reactions rarely associated with exposure to thiram and possibly the mbdt-carb compounds. No specific antidotes are available for poisoning by these compounds. Activated charcoal: administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents.
   Inhalation
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with beta2 agonist and corticosteroid aerosols.
   Skin
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
   Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Transport.
UN number
2210
Response guide