Milstem seed dressing
ethirimol
CAS: 23947-60-6
Molecular Formula: C11H19N3O
Milstem seed dressing - Names and Identifiers
Milstem seed dressing - Physico-chemical Properties
| Molecular Formula | C11H19N3O |
| Molar Mass | 209.29 |
| Density | 1.2100 |
| Melting Point | 159-160° |
| Boling Point | 348.66°C (rough estimate) |
| Flash Point | 139°C |
| Water Solubility | 253 mg l-1 (pH 5.2), 150 mg l-1 (pH 7.3),153 mg l-1 (pH 9.3) at 20 °C |
| Solubility | Chloroform (Sparingly), Ethanol (Slightly), Methanol (Slightly) |
| Vapor Presure | 2.7 x 10-4 Pa at 25 °C |
| Appearance | neat |
| Color | White to Off-White |
| Merck | 13,3776 |
| BRN | 882476 |
| pKa | 5 |
| Storage Condition | -20°C Freezer |
| Refractive Index | 1.5700 (estimate) |
| Physical and Chemical Properties | White crystals. Melting point 159-160 °c. The vapor pressure at 25 °c was 0.267 x 10-3Pa. Solubility in water at 25 °c 200mg/L. Soluble in chloroform, trichloroethylene, strong acid and strong alkali solution, slightly soluble in ethanol, almost insoluble in acetone, more stable to heat. |
Milstem seed dressing - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 21 - Harmful in contact with skin |
| Safety Description | 36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 1 |
| RTECS | UW7380000 |
| Toxicity | LD50 orally in rats: 4000 mg/kg (Bebbington) |
Milstem seed dressing - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | ethiol is a systemic fungicide, which can prevent powdery mildew of cereals. When used as a seed dressing agent, it is inhaled through the roots to protect the whole plant; such as spraying on the leaves, it is absorbed and conducted by the leaves to prevent the spread of the disease. Ethrophenol is a systemic fungicide, which can prevent powdery mildew in cereals. When used as a seed dressing agent, it is inhaled through the roots to protect the whole plant; such as spraying on the leaves, it is absorbed and conducted by the leaves to prevent the spread of the disease. |
| Production method | It is obtained by reacting ethylguanidine with ethyl n-butyl acetoacetate in the presence of sodium methoxide. |
| category | pesticide |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50: 4000 mg/kg; Oral-mouse LD50: 4000 mg/kg |
| flammability hazard characteristics | combustion produces toxic nitrogen oxide gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, water, carbon dioxide |
Last Update：2024-04-09 21:04:16
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