Sodium methyldithiocarbamate

  • Basamid fluid
  • Carbam
  • Carbathion
  • Carbathione
  • Carbation
  • Karbation
Formula
C2H5NS2 . Na
Structure
Description
A yellow to light yellow-green aqueous solution with an odor of amine and sulfur that varies in intensity.
Uses
Soil fumigant for fungi, bacteria, nematodes, insects.

Registry Numbers and Inventories.
CAS
137-42-8
EC (EINECS/ELINCS)
205-293-0
EC Index Number
006-013-00-8
EC Class
Harmful; Contact with acids liberates toxic gas; Corrosive; Sensitising; Dangerous for the Environment
RTECS
FC2100000
RTECS class
Agricultural Chemical and Pesticide; Reproductive Effector
UN (DOT)
2771
Merck
12,6016
Beilstein/Gmelin
3630657
RCRA
U384
EPA OPP
39003
Swiss Giftliste 1
G-3573
Canada DSL/NDSL
DSL
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C2H5NS2.Na
Formula mass
107.18
Decomposition point, °C
482
Density
1.16 g/cm3 (20 C)
Solubility in water
722 g/L at 20 C

Hazards and Protection.
Storage
Keep in well ventilated area.
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
Clothing and equipment should be consistent with good pesticide handling. For those engaged in spraying, eye protective equipment and respiratory protected equipment may well be essential.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Keep material out of water sources and sewers. Build dikes to contain flow as necessary. Do not use water. Attempt to stop leak if without undue personnel hazard. Apply water spray or mist to knock down vapors. Land spill: Dig a pit, pond, lagoon, holding area to contain liquid or solid material. Absorb bulk liquid with fly ash, cement powder, or commercial sorbents. Water spill: Remove trapped material with suction hoses. Use mechanical dredges or lifts to remove immobilized masses of pollutants and precipitates.
Stability
No data.
Incompatibilities
Incompatible with acids, peroxides, and acid halides.

Fire.
Fire fighting
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Use water in flooding quantities as fog. Keep run-off water out of sewers and water sources.
Fire potential
Non-Combustible
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Carcinogin
CP65
Poison_Class
2
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.
   Ingestion
Nausea, vomiting and diarrhea may occur.
   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.

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.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
   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
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
2771
Response guide
Hazard class
6.1
Packing Group
I; II; III
 
USCG CHRIS Code
MSS, SMD - 33% or less
 
7 Aliphatic amines
Std. Transport #
4966303
 
IMO Chemical Code
17
IMO Pollution Category
A
IMO Hazard code
S/P