1-(p-Fluorophenyl)urea
4-fluorophenylurea
CAS: 659-30-3
Molecular Formula: C7H7FN2O
1-(p-Fluorophenyl)urea - Names and Identifiers
1-(p-Fluorophenyl)urea - Physico-chemical Properties
| Molecular Formula | C7H7FN2O |
| Molar Mass | 154.14 |
| Density | 1.353 |
| Melting Point | 183-185°C |
| Boling Point | 236℃ |
| Flash Point | 96℃ |
| Water Solubility | Slightly soluble in water. |
| Vapor Presure | 0.104mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| BRN | 2090131 |
| pKa | 13.98±0.70(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.543 |
| MDL | MFCD00014787 |
1-(p-Fluorophenyl)urea - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| RTECS | YT3980000 |
| Hazard Note | Irritant |
1-(p-Fluorophenyl)urea - Introduction
4-fluorophenylurea(4-fluorophenylurea) is an organic compound with the chemical formula C7H6FNO. Its properties are as follows:
1. Appearance: white crystalline solid
2. melting point: 156-158 ℃
3. Solubility: Slightly soluble in water, soluble in organic solvents (such as alcohol, ether, ketone, etc.)
4-fluorophenylurea is mainly used in the following aspects:
1. Pesticide: It can be used as an intermediate of pesticides and used to produce various kinds of pesticides.
2. Pharmaceutical chemistry research: as a raw material for organic synthesis, it can be used to prepare other drugs and chemicals.
3. Laboratory research: In the field of scientific research, 4-fluorophenylurea is also used as a reagent and catalyst.
There are many ways to prepare 4-fluorophenylurea. The following is one of the common preparation methods:
4-fluorophenylurea can be obtained by reacting p-aminophenol with formyl chloride to generate p-chlorobenzamide, and then reacting with ammonium fluoride.
When using and handling 4-fluorophenylurea, please note the following safety information:
1. avoid prolonged exposure to the skin and eyes, use should wear appropriate protective measures (such as protective gloves, goggles, etc.).
2. Do not inhale or swallow the compound, and use it in a well-ventilated place.
3. Store it in a sealed container, away from fire and flammable materials.
4. When using and handling 4-fluorophenylurea, please refer to the current safety operation manual and chemical safety data sheet. If you have any questions or unexpected situations, please consult a professional in time.
1. Appearance: white crystalline solid
2. melting point: 156-158 ℃
3. Solubility: Slightly soluble in water, soluble in organic solvents (such as alcohol, ether, ketone, etc.)
4-fluorophenylurea is mainly used in the following aspects:
1. Pesticide: It can be used as an intermediate of pesticides and used to produce various kinds of pesticides.
2. Pharmaceutical chemistry research: as a raw material for organic synthesis, it can be used to prepare other drugs and chemicals.
3. Laboratory research: In the field of scientific research, 4-fluorophenylurea is also used as a reagent and catalyst.
There are many ways to prepare 4-fluorophenylurea. The following is one of the common preparation methods:
4-fluorophenylurea can be obtained by reacting p-aminophenol with formyl chloride to generate p-chlorobenzamide, and then reacting with ammonium fluoride.
When using and handling 4-fluorophenylurea, please note the following safety information:
1. avoid prolonged exposure to the skin and eyes, use should wear appropriate protective measures (such as protective gloves, goggles, etc.).
2. Do not inhale or swallow the compound, and use it in a well-ventilated place.
3. Store it in a sealed container, away from fire and flammable materials.
4. When using and handling 4-fluorophenylurea, please refer to the current safety operation manual and chemical safety data sheet. If you have any questions or unexpected situations, please consult a professional in time.
Last Update：2024-04-10 22:41:56
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CAS: 659-30-3
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CAS: 659-30-3
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
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