Weibaimu
Structural formula
| Business number | 03RL |
|---|---|
| Molecular formula | C2H4NNaS2 |
| Molecular weight | 129.18 |
| label |
Sodium methyldithiocarbamate, Sodium thiocarb powder, thiocarb sodium aqueous solution, Pesticides and fungicides |
Numbering system
CAS number:137-42-8
MDL number:None
EINECS number:205-293-0
RTECS number:FC2100000
BRN number:None
PubChem ID:None
Physical property data
1. Characteristics: colorless crystalline solid.
2. Solubility: water722g/L(20℃) , soluble in methanol , almost insoluble in other organic solvents. It decomposes when encountering acids and heavy metal salts, and decomposes into methyl isocyanate in wet soil. Acute oral administration in male ratsLD50820mg/kg.
Toxicological data
None
Ecological data
None
Molecular structure data
None
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 1
3. Number of hydrogen bond acceptors: 2
4. Number of rotatable chemical bonds: 0
5. Number of tautomers: 2
6. Topological molecule polar surface area 45.1
7. Number of heavy atoms: 6
8. Surface charge: 0
9. Complexity: 46.8
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 0
12. Uncertain atomic stereocenterNumber of stereocenters: 0
13. Determine the number of stereocenters of chemical bonds: 0
14. Uncertain number of stereocenters of chemical bonds: 0
15. Total Number of price key units: 2
Properties and stability
None
Storage method
None
Synthesis method
Prepared from the reaction of methylamine, carbon disulfide and sodium hydroxide.
Purpose
Apply to the soil before planting crops, gradually releasing methyl isothiocyanate to kill nematodes and underground pests in the soil , fungi and weed seeds. And has fumigation effect. The preparations are48 % water.