Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Zinc bis dimethyldithiocarbamate(137-30-4)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
Zinc bis dimethyldithiocarbamate
Synonyms
bis(Dimethylcarbamodithioato-S,S') zinc
Carbazinc
Methazate
Zinc dimethylaminomethanedithioate
Zinc dimethyldithiocarbamate
CAS
137-30-4
Formula
C6H12N2S4Zn
Molecular Weight
305.83
EINECS
205-288-3
RTECS
ZH0525000
RTECS Class
Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Reproductive Effector
Merck
12,10305
Beilstein/Gmelin
143183 (G)
EC Index Number
006-012-00-2
EC Class
Mutagenic Category 3; Harmful; Irritant

Physical and Chemical Properties

Appearance
Odorless white powder.
Solubility in water
Insoluble
Melting Point
246
Density
1.66 g/cm3 (20 C)
Usage
Ziram is used in the rubber processing industry as an accelerator or promoter. Small amounts are used in industrial fungicides, in combination with 2-mercaptobenzothiazole, in adhesives (including those used in food packaging), paper coatings (for non-food contact), industrial cooling water, latex-coated articles, neoprene, paper and paperboard, plastics (polyethylene and polystyrene) and textiles, bird repellent, mammal repellent.

First Aid Measures

Ingestion
DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital.
Inhalation
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. IMMEDIATELY call a physician and be prepared to transport the victim to a hospital even if no symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
Skin
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
Eyes
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Handling and Storage

Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
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.

Hazards Identification

Inhalation
Respiratory failure, requiring ventilatory support, has been reported following ingestions.
Skin
Exposure to dusts, sprays, solutions, wettable powder suspensions or emulsions of these agents may lead to skin and mucous membrane irritation.
Eyes
See Inhalation.
Ingestion
Nausea, vomiting and diarrhea may occur.
Hazards
This compound may form explosive dust-air mixtures.
UN (DOT)
2771

Exposure Controls/Personal Protection

Personal Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Exposure Effects
Exposure to thiram or mbdt-carb (based on animal studies) may cause weakness, ataxia, ascending paralysis and hypothermia. Peripheral neuropathy (pain, numbness and weakness of the extremities) has been noted following exposure to thiuram (the ethyl analog of thiram). No adverse reproductive effects (testicular parameters) in male mice were observed following methyl thiophanate doses up to 1000 mg/kg orally for 5 consecutive days (Traina et al, 1998). Maternal toxicity was evident in female rats.
Poison Class
3

Fire Fighting Measures

Fire Fighting
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. A water spray may also be used.
Fire Potential
This chemical is combustible.

Accidental Release Measures

Small spills/leaks
If you spill this chemical, dampen the solid spill material with 5% ammonium hydroxide, then transfer the dampened material to a suitable container. Use absorbent paper dampened with 5% ammonium hydroxide to pick up any remaining material. Your contaminated clothing and the absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Wash all contaminated surfaces with 5% ammonium hydroxide followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Stability and Reactivity

Stability
Biological activity of mezene remains practically unvaried for 2 yr under environmental conditions, provided stored as directed.
Incompatibilities
Incompatible with acids, peroxides, and acid halides Corrosive to iron and copper Incompatible with strong oxidizing agents and acids Incompatible with mercury.
Decomposition
When heated to decomposition, emits very toxic fumes of nitrogen oxides and sulfur oxides.
Combustion Products
Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
2771
Hazard Class
6.1
Packing Group
I; II; III
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