18503-89-4
N,N-dimethylformamide diisopropyl acetal
CAS: 18503-89-4
Molecular Formula: C9H21NO2
18503-89-4 - Names and Identifiers
18503-89-4 - Physico-chemical Properties
| Molecular Formula | C9H21NO2 |
| Molar Mass | 175.27 |
| Density | 0.838 g/mL at 25 °C(lit.) |
| Boling Point | 79-80°C60mm Hg(lit.) |
| Flash Point | 74°F |
| Vapor Presure | 3.41mmHg at 25°C |
| BRN | 1901978 |
| pKa | 5.47±0.50(Predicted) |
| Storage Condition | RT, dry |
| Refractive Index | n20/D 1.409(lit.) |
18503-89-4 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R10 - Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| Hazard Class | 3.2 |
| Packing Group | III |
18503-89-4 - Introduction
N,N-dimethylformamide diisopropyl acetal(N,N-Dimethylformamide Diisopropyl Acetal) is an organic compound. Its molecular formula is C9H19NO2, structural formula is (CH3)2NCH(OCH(CH3)2)2. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
N,N-dimethylformamide diisopropyl acetal is a colorless to pale yellow liquid with low volatility. It is soluble in most organic solvents such as alcohols, ethers and aromatic hydrocarbons.
Use:
N,N-dimethylformamide diisopropyl acetal is mainly used as a protective reagent in organic synthesis. It can protect the aldehyde and ketone functional groups from further reaction with other reagents. In the synthesis of complex organic molecules, this protecting reagent can selectively protect specific functional groups, thereby achieving the synthesis of target compounds.
Method:
N,N-dimethylformamide diisopropyl acetal can be prepared by the following steps:
1. Condensation of dimethylformamide and isopropanol at low temperature using an acid catalyst.
2. The product is precipitated and then washed with an organic solvent.
3. Finally, the product is purified by distillation or crystal separation.
Safety Information:
N,N-dimethylformamide the toxicity of diisopropyl acetal is low, it is still necessary to pay attention to safe operation. It is a flammable liquid and should avoid high temperatures, open flames and sparks during storage and use. At the same time, care should be taken to avoid inhalation, contact with the skin and ingestion. It must be operated in a well-ventilated place and thoroughly cleaned after use. In case of any discomfort or accident, seek medical help immediately. Please read the safety data sheet (SDS) and follow the correct safe operating procedures before use.
Nature:
N,N-dimethylformamide diisopropyl acetal is a colorless to pale yellow liquid with low volatility. It is soluble in most organic solvents such as alcohols, ethers and aromatic hydrocarbons.
Use:
N,N-dimethylformamide diisopropyl acetal is mainly used as a protective reagent in organic synthesis. It can protect the aldehyde and ketone functional groups from further reaction with other reagents. In the synthesis of complex organic molecules, this protecting reagent can selectively protect specific functional groups, thereby achieving the synthesis of target compounds.
Method:
N,N-dimethylformamide diisopropyl acetal can be prepared by the following steps:
1. Condensation of dimethylformamide and isopropanol at low temperature using an acid catalyst.
2. The product is precipitated and then washed with an organic solvent.
3. Finally, the product is purified by distillation or crystal separation.
Safety Information:
N,N-dimethylformamide the toxicity of diisopropyl acetal is low, it is still necessary to pay attention to safe operation. It is a flammable liquid and should avoid high temperatures, open flames and sparks during storage and use. At the same time, care should be taken to avoid inhalation, contact with the skin and ingestion. It must be operated in a well-ventilated place and thoroughly cleaned after use. In case of any discomfort or accident, seek medical help immediately. Please read the safety data sheet (SDS) and follow the correct safe operating procedures before use.
Last Update：2024-04-10 22:29:15
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