1-(Prop-2-yn-1-yl)urea
1-(prop-2-ynyl)urea
CAS: 5221-62-5
Molecular Formula: C4H6N2O
1-(Prop-2-yn-1-yl)urea - Names and Identifiers
| Name | 1-(prop-2-ynyl)urea |
| Synonyms | 2-Propynylurea prop-2-ynylurea PROP-2-YNYLUREA 1-Propargylurea N-PROP-2-YNYLUREA 1-(Prop-2-yn-1-yl) 1-(prop-2-ynyl)urea 1-(Prop-2-ynyl)urea 1-(Prop-2-yn-1-yl)urea |
| CAS | 5221-62-5 |
| InChI | InChI=1/C4H6N2O/c1-2-3-6-4(5)7/h1H,3H2,(H3,5,6,7) |
1-(Prop-2-yn-1-yl)urea - Physico-chemical Properties
| Molecular Formula | C4H6N2O |
| Molar Mass | 98.1 |
| Density | 1.115±0.06 g/cm3(Predicted) |
| Melting Point | 130 °C |
| Boling Point | 181.6±32.0 °C(Predicted) |
| Flash Point | 63.647°C |
| Vapor Presure | 0.844mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow to Light orange |
| pKa | 12.58±0.46(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.493 |
1-(Prop-2-yn-1-yl)urea - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| Hazard Note | Irritant |
1-(Prop-2-yn-1-yl)urea - Introduction
1-(prop-2-ynyl)urea(1-(prop-2-ynyl)urea) is an organic compound with the chemical formula C5H6N2O. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 1-(prop-2-ynyl)urea is a colorless crystal or white crystalline powder.
-Solubility: It can be dissolved in water and most organic solvents.
Use:
-Catalyst: 1-(prop-2-ynyl)urea can be used as a synthetic intermediate of amino compounds. It can be used as a metal-catalyzed amination reagent for the synthesis of a variety of organic compounds, such as pharmaceuticals, pesticides and dyes.
-Initiator: 1-(prop-2-ynyl)urea can be used as an initiator for polymers and rubbers to improve the rate and efficiency of the polymerization reaction.
Preparation Method:
1-(prop-2-ynyl)urea can be prepared by the following methods:
1. react dimethyl isocyanate with propynylamine to generate 1-(prop-2-ynyl)urea.
2. condensation reaction of isocyanate and propynylamine according to a certain molar ratio to generate 1-(prop-2-ynyl)urea.
Safety Information:
- 1-(prop-2-ynyl)urea is irritating and may cause irritation to the eyes, skin and respiratory system. Wear appropriate protective gloves, goggles and protective masks during use.
-Avoid contact with oxidants and strong acids, avoid contact with open flames and high temperatures.
-During use and storage, keep away from fire and heat sources, while maintaining a well-ventilated environment.
Please note that 1-(prop-2-ynyl)urea is a compound used in laboratories or industrial production, so it must be handled in accordance with the appropriate safety practices and chemical management requirements.
Nature:
-Appearance: 1-(prop-2-ynyl)urea is a colorless crystal or white crystalline powder.
-Solubility: It can be dissolved in water and most organic solvents.
Use:
-Catalyst: 1-(prop-2-ynyl)urea can be used as a synthetic intermediate of amino compounds. It can be used as a metal-catalyzed amination reagent for the synthesis of a variety of organic compounds, such as pharmaceuticals, pesticides and dyes.
-Initiator: 1-(prop-2-ynyl)urea can be used as an initiator for polymers and rubbers to improve the rate and efficiency of the polymerization reaction.
Preparation Method:
1-(prop-2-ynyl)urea can be prepared by the following methods:
1. react dimethyl isocyanate with propynylamine to generate 1-(prop-2-ynyl)urea.
2. condensation reaction of isocyanate and propynylamine according to a certain molar ratio to generate 1-(prop-2-ynyl)urea.
Safety Information:
- 1-(prop-2-ynyl)urea is irritating and may cause irritation to the eyes, skin and respiratory system. Wear appropriate protective gloves, goggles and protective masks during use.
-Avoid contact with oxidants and strong acids, avoid contact with open flames and high temperatures.
-During use and storage, keep away from fire and heat sources, while maintaining a well-ventilated environment.
Please note that 1-(prop-2-ynyl)urea is a compound used in laboratories or industrial production, so it must be handled in accordance with the appropriate safety practices and chemical management requirements.
Last Update：2024-04-09 15:17:58
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