Prefmid
Tebuthiuron
CAS: 34014-18-1
Molecular Formula: C9H16N4OS
Prefmid - Names and Identifiers
| 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) |
Prefmid - Physico-chemical Properties
| 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 |
Prefmid - Risk and Safety
| 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) |
Prefmid - Reference Information
| 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) |
Last Update：2024-04-09 20:52:54
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View History
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