1-(Prop-2-ynyl)urea - Names and Identifiers
1-(Prop-2-ynyl)urea - Physico-chemical Properties
Molecular Formula | C4H6N2O
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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-ynyl)urea - Risk and Safety
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed
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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-ynyl)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.
Last Update:2024-04-09 15:17:58