2,4-Pentanedione, 3-bromo-
3-Bromopentane-2,4-dione
CAS: 3043-28-5
Molecular Formula: C5H7BrO2
2,4-Pentanedione, 3-bromo- - Names and Identifiers
| Name | 3-Bromopentane-2,4-dione |
| Synonyms | 3-broMopentane-2,4-dione 3-Bromopentane-2,4-dione 2,4-Pentanedione, 3-bromo- |
| CAS | 3043-28-5 |
| EINECS | 200-110-4 |
2,4-Pentanedione, 3-bromo- - Physico-chemical Properties
| Molecular Formula | C5H7BrO2 |
| Molar Mass | 179.01 |
| Density | 1.505±0.06 g/cm3(Predicted) |
| Melting Point | 138-140 °C |
| Boling Point | 23-24 °C |
| pKa | 6.99±0.46(Predicted) |
| Sensitive | Irritant, Refrigerate |
| MDL | MFCD20621173 |
2,4-Pentanedione, 3-bromo- - Introduction
3-Bromopentane-2,4-dione is an organic compound with the chemical formula C5H7BrO2. The following is its nature, use, preparation and safety information:
Nature:
3-Bromopentane-2,4-dione is a colorless to pale yellow crystalline solid with a weak aroma. It is soluble in alcohol, ether and ketone solvents at room temperature, insoluble in water. The compound has a melting point of 64-66°C.
Use:
3-Bromopentane-2,4-dione is commonly used as a reagent and intermediate in organic synthesis. It can be used to synthesize various organic compounds, such as drugs, dyes and coatings.
Preparation Method:
3-Bromopentane-2,4-dione can be prepared by the following steps:
1. take 3-bromopentane as raw material, and sodium acetate in acetic anhydride reaction, generate a intermediate between bromo and alcohol.
2. In the presence of an intermediate, it is converted to 3-Bromopentane-2,4-dione through an oxidation reaction.
Safety Information:
3-Bromopentane-2,4-dione is an organic compound that requires safety precautions when handling. It may cause irritation to the eyes, skin and respiratory system, so wear appropriate protective equipment such as goggles, gloves and face masks during use. At the same time, the operation should be carried out in a well-ventilated place to avoid inhalation or contact with the skin. In the case of accidental contact, immediately flush the affected area with plenty of water and seek medical help.
Nature:
3-Bromopentane-2,4-dione is a colorless to pale yellow crystalline solid with a weak aroma. It is soluble in alcohol, ether and ketone solvents at room temperature, insoluble in water. The compound has a melting point of 64-66°C.
Use:
3-Bromopentane-2,4-dione is commonly used as a reagent and intermediate in organic synthesis. It can be used to synthesize various organic compounds, such as drugs, dyes and coatings.
Preparation Method:
3-Bromopentane-2,4-dione can be prepared by the following steps:
1. take 3-bromopentane as raw material, and sodium acetate in acetic anhydride reaction, generate a intermediate between bromo and alcohol.
2. In the presence of an intermediate, it is converted to 3-Bromopentane-2,4-dione through an oxidation reaction.
Safety Information:
3-Bromopentane-2,4-dione is an organic compound that requires safety precautions when handling. It may cause irritation to the eyes, skin and respiratory system, so wear appropriate protective equipment such as goggles, gloves and face masks during use. At the same time, the operation should be carried out in a well-ventilated place to avoid inhalation or contact with the skin. In the case of accidental contact, immediately flush the affected area with plenty of water and seek medical help.
Last Update：2024-04-09 21:11:58
