Name | Tebuthiuron |
Synonyms | Perflan Prefmid Preflan Perfmid sha105501 Tebuthiuron 1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea N-[5-[1,1-Dimethyl]-1,3,4-thiadiazol-2-yl]-N,N'-dimethylurea tebuthiuron (ISO) 1-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea |
CAS | 34014-18-1 |
EINECS | 251-793-7 |
InChI | InChI=1/C9H16N4OS/c1-9(2,3)6-11-12-8(15-6)13(5)7(14)10-4/h1-5H3,(H,10,14) |
Molecular Formula | C9H16N4OS |
Molar Mass | 228.31 |
Density | 1.2080 (rough estimate) |
Melting Point | 161-164°C |
Water Solubility | 2.3g/L(temperature not stated) |
Appearance | Solid |
Color | White to Light yellow |
Exposure Limit | LC50 (96-hour) for bluegill sun?sh 112 mg/L, rainbow trout 144 mg/L, gold?shand fathead minnow >160 mg/L (Hartley and Kidd, 1987); acute oral LD50 for rats 644mg/kg (Ashton and Monaco, 1991). |
Maximum wavelength(λmax) | ['255nm(lit.)'] |
Merck | 14,9095 |
BRN | 527479 |
pKa | 13.36±0.46(Predicted) |
Storage Condition | 0-6°C |
Refractive Index | 1.6390 (estimate) |
Physical and Chemical Properties | Colorless solid. Melting point 161.5-164 °c. |
Use | For the control of the growth of various plants in non-cultivated areas and for the selective control of weeds in sugarcane fields |
Risk Codes | R22 - Harmful if swallowed R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S37 - Wear suitable gloves. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 3077 |
WGK Germany | 3 |
RTECS | YS4250000 |
HS Code | 29349990 |
Hazard Class | 9 |
Packing Group | III |
Toxicity | LD50 in mice, rats, rabbits (mg/kg): 579, 644, 286 orally (Todd) |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
use | control the growth of various plants in non-planting areas and selective weed control in sugarcane fields. It can also be used to prevent shrubs in pastures. Used to control the growth of various plants in non-planting areas and selectively control weeds in sugarcane fields |
category | pesticide |
toxicity classification | poisoning |
acute toxicity | oral-rat LD50: 644 mg/kg; Oral-mouse LD50: 579 mg/kg |
flammability hazard characteristics | thermal decomposition discharges toxic nitrogen oxides and sulfur oxide smoke |
storage and transportation characteristics | warehouse ventilation and low temperature drying |
fire extinguishing agent | water, dry powder, carbon dioxide, foam |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |