METIRAM Chemical Properties

Melting point:

156℃ (approx, Decomposition)

storage temp. 

0-6°C

solubility 

DMSO (Slightly, Heated)

form 

Solid

color 

Off-White

EPA Substance Registry System

Metiram (9006-42-2)

Safety Information

RIDADR 

UN 1282 3 / PGII

RTECS 

TR6250000

Hazardous Substances Data

9006-42-2(Hazardous Substances Data)

METIRAM Usage And Synthesis

Chemical Properties

Light yellow solid or powder at room temperature. Characteristic dithiocarbamate odor.

Uses

Metriram is a polymeric dithiocarbamic fungicide used in agriculture. Metiram is present as a mixture rather than a complex and is not assigned an ISO name. Metiram is used commonly in the protection of grapevines, apples, tomatoes, potatoes as well as other crops.

Definition

ChEBI: Zineb is a polymeric complex of zinc with the ethylene bis(dithiocarbamate) anionic ligand. Formerly used as an agricultural fungicide for the control of downy mildews and rusts, its use is no longer permitted in the US or the EU. It has a role as an antifungal agrochemical. It is a macromolecule, a zinc coordination entity and a dithiocarbamate salt. It contains an ethylenebis(dithiocarbamate).

General Description

Yellow powder. Non corrosive. Insoluble in water. Used as an fungicide.

Air & Water Reactions

Thio and dithiocarbamates slowly decompose in aqueous solution to form carbon disulfide and methylamine or other amines. Such decompositions are accelerated by acids and bases. Insoluble in water.

Reactivity Profile

METIRAM is a dithiocarbamate. Flammable gases are generated by the combination of thiocarbamates and dithiocarbamates with aldehydes, nitrides, and hydrides. Thiocarbamates and dithiocarbamates are incompatible with acids, peroxides, and acid halides.

Hazard

Toxic by ingestion and inhalation.

Agricultural Uses

Fungicide: Metiram is used to protect fruits, vegetables, field crops and other crops and ornamentals against many types of fungi and other foliar diseases.

Trade name

ATLAS® BRAND[C]; AMAREX®; NIA 9102®[C]; NIAGARA[C]; POLYCARBACIN®; POLYCARBACINE®; POLYCARBAZIN®; POLYCARBAZINE®; POLYMARCIN®; POLYMARCINE®; POLYMARSIN®; POLYMARZIN®; POLYMARZINE®; POLYRAM®

Potential Exposure

Metiram is a dithiocarbamate fungicide used on fruits, vegetables, field crops and other crops and on ornamentals to protect against many types of fungi and other foliar diseases.

Shipping

UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

Incompatibilities

Combustible material. Dust may form explosive mixture in air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Dithiocarbamate esters are combustible. They react violently with powerful oxidizers such as calcium hypochlorite. Poisonous gases are generated by the thermal decomposition of dithiocarbamate compounds, including carbon disulfide, oxides of sulfur, oxides of nitrogen, hydrogen sulfide, ammonia, and methylamine. Thio and dithiocarbamates slowly decompose in aqueous solution to form carbon disulfide and methylamine or other amines. Such decompositions are accelerated by acids. Flammable gases are generated by the combination of dithiocarbamate with aldehydes, nitrides, and hydrides. Dithiocarbamate are incompatible with acids, peroxides, and acid halides. Thermal decomposition products in fire includes oxides of nitrogen and sulfur. Corrosive to iron, copper brass and zinc metals, especially in the presence of moisture. Heat alkalies (lime), moisture can cause decomposition. Decomposes on prolonged storage. Degradation produces ethylene thiourea.

Waste Disposal

Do not discharge into drains or sewers. Dispose of waste material as hazardous waste using a licensed disposal contractor to an approved landfill. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform to EPA regulations governing storage, transportation, treatment, and waste disposal. A potential candidate for liquid injection incineration at a temperature range of 650 to 1600℃ and a residence time 0.1 to 2 seconds. Also, a potential candidate for rotary kiln incineration at a temperature range of 820 to 1600℃ and residence times of seconds for liquids and gases, and hours for solids.

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