Terbutryn
- CAS NO.：886-50-0
- Empirical Formula: C10H19N5S
- Molecular Weight: 241.36
- MDL number: MFCD00128025
- EINECS: 212-950-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-02-02 18:10:39
What is Terbutryn?
Description
Terbutin is a systemic and conductive herbicide, which can be used for pre-emergence and post-emergence weeding, and the effective period in the soil is 3-10 weeks. It is mainly used in winter wheat, barley, sorghum, sunflower, potatoes, peas, soybeans, peanuts and other crop fields to control perennial ryegrass, ryegrass and autumn germinating chickweed, marigolds, poppies, kangaroo, crabgrass, foxtail Wait.
Chemical properties
solid
The Uses of Terbutryn
A triazine herbicide.
The Uses of Terbutryn
A labelled triazine herbicide.
The Uses of Terbutryn
Selective herbicide for control of annual broad-leaved and grass weeds in wheat.
Definition
ChEBI: A methylthio-1,3,5-triazine that is 2-(methylsulfanyl)-1,3,5-triazine substituted by a tert-butylamino and an ethylamino group at positions 2 and 4 respectively.
Synthesis
Cyanuric chloride reacts with ter-butylamine to generate 2,4-dichloro-6-tert-butylamino-1,3,5-triazine; then reacts with ethylamine to generate 2-chloro-4-ethylamino-6-tertiary Butylamino-1,3,5-triazine, and finally reacts with methyl mercaptan to generate Terbutryn.
Environmental Fate
Plant. In plants, the methylthio group is oxidized to hydroxy derivatives and by dealkylation of the side chains. Residual activity in soil is limited to approximately 3–10 weeks (Hartley and Kidd, 1987).
Properties of Terbutryn
| Melting point: | 104-105°C |
| Boiling point: | 154-160°C |
| Density | 1.45 |
| refractive index | 1.5500 (estimate) |
| Flash point: | 2 °C |
| storage temp. | APPROX 4°C
|
| solubility | DMSO (Slightly), Methanol (Slightly) |
| pka | 4.03±0.10(Predicted) |
| form | Powder |
| color | White |
| Water Solubility | 0.0025 g/100 mL |
| BRN | 611817 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 886-50-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Terbutryn(886-50-0) |
| EPA Substance Registry System | Terbutryn (886-50-0) |
Safety information for Terbutryn
| Signal word | Warning |
| Pictogram(s) |
 Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. |
Computed Descriptors for Terbutryn
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