5-Bromo-1-pentene, chemical formula C5H9Br, molecular weight 149.03. It is a colorless to pale yellow transparent liquid with dual properties of olefins and halogenated hydrocarbons. Molecular formula: C5H9Br, molecular weight: 149.03, boiling point: 126-127°C, density: 1.258 g/mL (25°C), flash point: 30°C, refractive index: 1.462-1.465.
Application
5-Bromo-1-pentene is an important intermediate and reagent in organic synthesis, widely used in fields such as medicine, pesticides, materials chemistry, and more. It serves as the starting material for the synthesis of DL-histrionicotoxin and benzophenone-containing fatty acids. Additionally, it is used to synthesize various compounds, including 7-(3-carboxypropyl) estradiol, among others.
Quality Standard
|
Items |
Standard |
|
Appearance |
Colorless to light yellow transparent liquid |
|
Assay |
≥98% |
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Water |
≤0.3% |
Storage and transportation
It should be stored at 2-8°C and usually transported with ice packs to ensure its stability and safety.
Marketing
Our products are sold well in more than 60 countries and regions including North America, Western Europe, Southeast Asia, Central and South America, etc. We have established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries.
FAQ
Q1: What is 5-Bromo-1-pentene (CAS 1119-51-3)?
A1: 5-Bromo-1-pentene is an organic halogenated compound with the formula C5H9Br. It is a colorless to light yellow liquid commonly used as a building block in organic synthesis.
Q2: What is the molecular formula and molecular weight of 5-Bromo-1-pentene?
A2: Its molecular formula is C5H9Br, and the molecular weight is 133.03 g/mol.
Q3: What are the main applications of 5-Bromo-1-pentene?
A3: Applications include:Pharmaceutical intermediates for drug synthesis.Organic synthesis as an alkylating reagent.Polymer and material science research.Chemical R&D for functionalized alkenes
Q4: What are the physical properties of 5-Bromo-1-pentene?
A4:Appearance: Colorless to pale yellow liquid.Boiling point: ≈130–132 °C.Density: ~1.22 g/cm³ at 20 °C.Insoluble in water but soluble in organic solvents
Q5: Is 5-Bromo-1-pentene hazardous?
A5: Yes. It is a flammable liquid and may cause skin and eye irritation. Inhalation of vapors can be harmful. Proper laboratory protective equipment is required.
Q6: How should 5-Bromo-1-pentene be stored?
A6: Store in a cool, dry, and well-ventilated area, in tightly sealed containers. Keep away from heat sources, open flames, and oxidizing agents.
Q7: What industries use 5-Bromo-1-pentene?
A7:Pharmaceutical industry (drug intermediates);Chemical manufacturing (alkylation reactions);Research institutions (organic chemistry studies);Material science (polymer modification)
Q8: Is 5-Bromo-1-pentene environmentally hazardous?
A8: Like many halogenated compounds, it may pose risks to the environment if released in large amounts. Disposal must follow local environmental and hazardous waste regulations.
Q9: What precautions should be taken when handling 5-Bromo-1-pentene?
A9: Wear protective gloves, goggles, and lab coats. Work in a fume hood to avoid inhalation. Avoid direct contact and long-term exposure.
Q10: Where can 5-Bromo-1-pentene (CAS 1119-51-3) be obtained?
A10: It is available from specialized chemical suppliers, laboratory reagent distributors, and research chemical providers. Ensure compliance with local safety and chemical handling regulations before purchasing.
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