N,N'-dipropylurea
N,N'-dipropylurea
CAS: 623-95-0
Molecular Formula: C7H16N2O
N,N'-dipropylurea - Names and Identifiers
| Name | N,N'-dipropylurea |
| Synonyms | 1,3-Dipropylurea 1,3-DIPROPYLUREA N,N'-dipropylurea N,N'-DIPROPYLUREA 1,3-Di-n-propylurea N,N'-Di-n-propylurea Urea, N,N'-dipropyl- N-propyl-2-propenamide 623-95-0 N,N'-Dipropylurea |
| CAS | 623-95-0 |
| EINECS | 210-821-8 |
| InChI | InChI=1/C7H16N2O/c1-3-5-8-7(10)9-6-4-2/h3-6H2,1-2H3,(H2,8,9,10) |
N,N'-dipropylurea - Physico-chemical Properties
| Molecular Formula | C7H16N2O |
| Molar Mass | 144.21 |
| Density | 1.0176 (rough estimate) |
| Melting Point | 104-106°C(lit.) |
| Boling Point | 262.84°C (rough estimate) |
| Flash Point | 122.3°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.0167mmHg at 25°C |
| Appearance | neat |
| Color | White to Off-White |
| BRN | 1751900 |
| pKa | 14.43±0.46(Predicted) |
| Storage Condition | Refrigerator |
| Refractive Index | 1.4331 (estimate) |
N,N'-dipropylurea - Risk and Safety
| Risk Codes | 52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | 61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| WGK Germany | 3 |
N,N'-dipropylurea - Introduction
N,N'-dipropylurea is an organic compound with the chemical formula C8H16N2O and a molecular weight of 160.23g/mol. It is a colorless to pale yellow crystal or crystalline solid.
Nature:
- N,N'-dipropylurea is a solid at room temperature and pressure, and its melting point is about 67-69°C.
-It has low solubility in solvents, soluble in alcohols, ethers and ketones, insoluble in water.
-It has low volatility and solid stability.
Use:
- N,N'-dipropylurea are commonly used as solvents and intermediates for organic synthesis reactions and catalyst preparation.
-It can be used as a reaction solvent for coatings, resins and polymers.
-In the preparation of urea ethers, N,N'-dipropylurea are also used.
Preparation Method:
- N,N'-dipropylurea are generally synthesized by the reaction of urea and acetone. Specific steps are as follows:
1. Put urea and acetone into the reaction vessel according to a certain molar ratio.
2. The reaction is carried out at an appropriate temperature, and it is often necessary to add a catalyst.
3. After completion of the reaction, the reaction mixture was cooled and crystallized to obtain N, N′-dipropylurea.
4. Further purification process includes crystallization recrystallization and solvent extraction.
Safety Information:
- N,N'-dipropylurea have no obvious toxicity and irritation under regular use, but may cause health hazards when malfunctioning or exposed to high concentrations.
-It should be stored in a dry, well-ventilated place, away from fire and oxidizing agents.
-Wear chemical protective gloves, goggles and respiratory protection when used.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
-When handling or disposing of waste, comply with relevant regulations to ensure environmental safety.
Nature:
- N,N'-dipropylurea is a solid at room temperature and pressure, and its melting point is about 67-69°C.
-It has low solubility in solvents, soluble in alcohols, ethers and ketones, insoluble in water.
-It has low volatility and solid stability.
Use:
- N,N'-dipropylurea are commonly used as solvents and intermediates for organic synthesis reactions and catalyst preparation.
-It can be used as a reaction solvent for coatings, resins and polymers.
-In the preparation of urea ethers, N,N'-dipropylurea are also used.
Preparation Method:
- N,N'-dipropylurea are generally synthesized by the reaction of urea and acetone. Specific steps are as follows:
1. Put urea and acetone into the reaction vessel according to a certain molar ratio.
2. The reaction is carried out at an appropriate temperature, and it is often necessary to add a catalyst.
3. After completion of the reaction, the reaction mixture was cooled and crystallized to obtain N, N′-dipropylurea.
4. Further purification process includes crystallization recrystallization and solvent extraction.
Safety Information:
- N,N'-dipropylurea have no obvious toxicity and irritation under regular use, but may cause health hazards when malfunctioning or exposed to high concentrations.
-It should be stored in a dry, well-ventilated place, away from fire and oxidizing agents.
-Wear chemical protective gloves, goggles and respiratory protection when used.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
-When handling or disposing of waste, comply with relevant regulations to ensure environmental safety.
Last Update：2024-04-10 22:29:15
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View History
N,N'-dipropylurea
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N-(2,6-二甲基苯基)-1,1-二甲基-1-(2,3,4,5-四甲基-2,4-环戊二烯-1-基)-(9CI)二胺
1960410-79-0
2-bromo-5-hydroxybenzaldehyde
467-69-6
二氯二茚基钛
8-hydroxyquinoline-7-carbaldehyde
2,2,4-trimethylpentan-1-ol
89939-16-2
2131-55-7
N-(2,6-二甲基苯基)-1,1-二甲基-1-(2,3,4,5-四甲基-2,4-环戊二烯-1-基)-(9CI)二胺
1960410-79-0
2-bromo-5-hydroxybenzaldehyde
467-69-6
二氯二茚基钛