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The 5-Bromo-1-pentene (5-bromopent-1-ene) CAS 1119-51-3, which was manufactured from Shanghai BLOOM TECH Co., Ltd. since 2008, was initially used as a pesticide intermediate and widely used in the fields of organic chemistry and fine chemicals.
This 5-Bromo-1-pentene (5-bromopent-1-ene) CAS 1119-51-3 is a conventional chemical product, and our monthly export volume is about 80 barrels. Each galvanized iron barrel can hold approximately 190kg.
Our products are exported to more than 20 countries in Europe, North America, Latin America, including universities, research and development institutes, etc
1. Aroma and taste additives:
It can be used as aroma and taste additives in the oil of electronic cigarettes. Due to its unique molecular structure, it can bring unique fragrance and taste to electronic cigarette oil. This aroma and taste can enhance the quality and attractiveness of e-cigarettes, allowing consumers to have a richer smoking experience.
3. Enhanced smoke density:
It can enhance the smoke density released by electronic cigarettes. When an electronic cigarette is in operation, its smoke is generated by heated tobacco oil. As a part of tobacco oil, it can interact with other compounds to increase the density and volume of smoke, providing consumers with a more intense experience while smoking.
2. Dissolving essence and flavoring agent:
It can be used as a solvent to dissolve essence and flavoring agent in electronic cigarettes. These essence and flavorings are usually organic compounds, which need a suitable solvent to dissolve and evenly disperse in the electronic cigarette oil. The solubility of 5-Bromo-1-pentene makes it an effective solvent to ensure that the essence and flavoring agent in electronic tobacco oil can fully play their roles.
4. Improving the smoothness of the taste:
It can also improve the smoothness of the taste of electronic cigarette oil. It can interact with other compounds, reduce the viscosity of electronic cigarette oil, make it smoother when inhaled, and reduce consumers' resistance when smoking.
As an organic intermediate of electronic cigarette, it has many functions, including improving the flavor and taste, dissolving essence and flavoring agent, enhancing the density of smoke and improving the smoothness of the taste. These functions help to improve the quality and attractiveness of e-cigarettes, providing consumers with a richer and better smoking experience.
|
Chemical Formula |
C5H9Br |
|
Exact Mass |
148 |
|
Molecular Weight |
149 |
|
m/z |
148 (100.0%), 150 (97.3%), 149 (5.4%), 151 (5.3%) |
|
Elemental Analysis |
C, 40.30; H, 6.09; Br, 53.62 |
|
|
|
5-Bromo-1-pentene(5-bromopent-1-ene) is an organic compound, its Molecular formula is C5H9Br, CAS 1119-51-3, 5-bromo-1-pentene density: 1.258 g/mL at 25 °C (lit.), and its relative molecular weight is 137.03 g/mol. It is a colorless liquid with a special odor. Soluble in some organic solvents, such as ethanol, chloroform and di N-Methylformamide. Its solubility in water is relatively low. Due to the presence of bromine atoms, it has a certain polarity. It can be used as a reaction substrate to exhibit special chemical properties in some organic synthesis reactions. Its molecular structure contains both double bonds and bromine atoms, so it has the properties of olefins and halogenated hydrocarbons. It is the starting material for the synthesis of DL frog chemoalbook toxin and benzophenone containing Fatty acid synthesis, is a basic chemical and pharmaceutical intermediate, and is widely used in the fields of medicine, pesticide and material chemistry. It has been used to synthesize various compounds, including DL tissue toxins and fatty acids containing benzophenone, 7α-(3-Carboxypropyl) estradiol, etc. DL histrionicotoxin and the starting material of benzone containing Fatty acid synthesis.
|
Morphological |
oil |
|
Color |
Clear Colorless |
|
Melting point |
- 106.7 ° C (estimate) |
|
Boiling point |
126-127 ° C/765 mmHg (lit.) |
|
Density |
1.258 g/mL at 25 ° C (lit.) |
|
Storage conditions |
2-8 ° C |
|
Specific gravity |
1.258 |
|
BRN |
506077 |
|
Flash point |
30 ° C |
|
Solubility H2O |
0.002 mg / ml |
|
Vapor density |
5.21 (vs air) |
|
Refractive index |
1.5250 (estimated) |
|
Solubility Chloroform |
Ethyl Acetate |
A preparation process of 5‑bromo‑1‑pentene includes the following steps:
Step a. Add 1,5‑dibromopentane and solid potassium hydroxide into the reactor, heat and stir to make the temperature in the reactor reach 100‑120 ℃, and then keep it warm for 1‑3 hours;
Step b: distillate by vacuum distillation;
Step c. Rectify the distillate obtained in step b to obtain the target product;
Step d. Recover unreacted raw materials.
The advantages of this method are: the raw materials and alkali potassium hydroxide used in this synthesis method are very cheap and easy to obtain, no solvent is used in the reaction, which is conducive to controlling the production cost and suitable for industrial production; The recovery rate of unreacted raw materials is 26%, which can be applied to fully recover resources, save costs and reduce environmental pollution.
It can be prepared by the reaction of 4-penten-1-ol and carbon tetrabromide in the presence of triphenylphosphine, and phosphorus tribromide can also be selected as the brominating agent for the reaction:
The lower priced 1,5-dibromopentane can also be used as the reaction raw material. The reaction of 1,5-dimethylpentane with hexamethylphosphoramide under heating can give product.
1,5-Dimethylpentane can also be converted into 5-bromo-1-penten under the action of strong bases such as potassium tert butoxide.
it reacts with triphenylphosphine to produce 4-pentenyltriphenyl bromide; And 1-methylimidazole to obtain corresponding imidazole quaternary ammonium salt:
In the presence of potassium carbonate, it reacts with phenylthiophenol in N, N-dimethylformamide to form phenyl (4-pentenyl) sulfide; It reacts with 4-nitrophenol in acetonitrile to form corresponding ether.
It reacts with sodium iodide in acetone to obtain 5-iodo-1-pentene; It reacts with potassium thiocyanate in ethanol to obtain 4-pentenylthiocyanate.
5 bromo 1 pentene uses:
1. Synthesis of other compounds:
It is a good precursor for olefin synthesis and can be used to synthesize other compounds with specific functions. By introducing appropriate functional groups on the double bond, it can be transformed into various compounds. For example, carboxylic acids containing bromine atoms can be synthesized by converting double bonds into carboxyl groups through oxidation reactions. These carboxylic acids have excellent antibacterial and antiviral properties, thus having potential applications in the preparation of drugs and pesticides.
In addition, It can also be reacted with Grignard reagent to synthesize alcohols with specific functions. These alcohols can be used as solvents, fuel additives, cosmetics, and spices. In addition, by reacting halogen atoms with other organic compounds, other types of organic compounds, such as ethers, esters, and amines, can be synthesized.
2. Antibacterial and antiviral agents:
Due to its ability to convert It into compounds with antibacterial and antiviral properties, it is used as an antibacterial and antiviral agent. These compounds can be used to prevent and treat infections caused by bacteria and viruses. For example, antibacterial agents containing It structure can be used to treat skin infections, urinary tract infections, and other types of bacterial infections.
In summary, 5-bromo-1-pentene has various uses, mainly as an intermediate in organic synthesis, and is used to synthesize other compounds and polymer materials with specific functions. Due to its unique structure, it can react with many other organic compounds to generate derivatives with different properties. In addition, as a synthetic precursor for antibacterial and antiviral agents, it also has broad application prospects in the pharmaceutical field.
What are the side effects of this compound?
1.The impact on human health
- Eye, skin, and mucosal irritation:May cause irritation to the eyes, skin, and mucous membranes. Appropriate protective measures should be taken during contact, such as wearing protective goggles, gloves, and masks.
- Inhalation and ingestion risks:Inhalation or ingestion of this substance may have adverse effects on health. Therefore, prolonged exposure in an environment without proper ventilation should be avoided and prevented from entering food or beverages.
2.Environmental risk
Harm to water
It is slightly harmful to water. During the processing and storage, it should be prevented from leaking into groundwater, waterways, or sewage systems.
Ecological impact
This substance may have negative impacts on the ecosystem if not properly treated. Therefore, when handling and using, relevant environmental regulations and standards should be followed.
3.Storage and transportation safety
- Storage conditions:This substance should be stored at a low temperature of 2-8 ° C and avoid direct sunlight and high temperature environments. In addition, it should be ensured that the storage container is well sealed to prevent leakage.
- Transportation regulations:During transportation, it should comply with relevant regulations for the transportation of dangerous goods. This includes using appropriate packaging and labeling, as well as ensuring adequate ventilation and fire prevention measures during transportation.
4.Safety signs and preventive measures
- Safety signs:It usually comes with safety signs such as Xi (irritant) to alert users to its potential danger.
- Preventive measures:Appropriate precautions should be taken when using and storing the substance, such as wearing personal protective equipment, maintaining good ventilation in the workplace, and avoiding mixing with toxic or flammable substances.
5.Emergency handling measures
- Leakage handling: If a leak occurs, immediate measures should be taken to control the source of the leak and appropriate adsorbent materials should be used to collect the leaked material. At the same time, it should be ensured that the leakage area is adequately ventilated and sparks or open flames are avoided.
- First aid measures: Appropriate first aid measures should be taken immediately upon contact or inhalation of the substance. This includes rinsing eyes and skin with plenty of water, seeking medical assistance, etc.
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