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Introduction

2-Bromobiphenyl is a valuable chemical compound with diverse applications in organic synthesis, material science, and the pharmaceutical industry. This compound has the CAS number 2052-07-5. Below is a detailed overview of this compound, presented in a table format for clarity.

Aspect	Details
CAS Number	2052-07-5
Molecular Formula	C12H9Br
Molecular Weight	233.1 g/mol
Boiling Point	297～298°C
Density	1.352 g/mL at 25°C
Flash Point	113°C
Melting Point	1.5～2.0°C
Appearance	Colorless to light yellow liquid
Solubility	Insoluble in water, soluble in ethanol and ether
Storage Conditions	Store in a sealed container at room temperature, protected from light
Applications	Organic synthesis intermediate, pesticide fungicide raw material, pharmaceutical intermediate, scientific research reagent
Safety Information	Irritant. Safety labels: S23. S26. S24/25. S37/S39. Danger labels: R36/37/38.
Suppliers	Multiple suppliers available, offering various package sizes and prices

Chemical Properties

2-Bromobiphenyl has a molecular formula of C12H9Br and a molecular weight of 233.1 g/mol. Its boiling point is 297～298°C, and its density is 1.352 g/mL at 25°C. The compound has a melting point of 1.5～2.0°C and appears as a colorless to light yellow liquid. It is insoluble in water but soluble in ethanol and ether. It should be stored in a sealed container at room temperature, protected from light.

Applications

This compound has multiple applications across different industries. It is used as an organic synthesis intermediate, particularly in the synthesis of other organic compounds. Additionally, it serves as a pesticide fungicide raw material, indicating its utility in pesticide production. Furthermore, it is used as a pharmaceutical intermediate, suggesting its importance in drug synthesis. It is also used as a scientific research reagent, highlighting its significance in laboratory studies.

Synthesis

2-Bromobiphenyl can be synthesized through a diazotization reaction. The process involves using o-bromoaniline as a raw material, which undergoes a diazotization reaction with sodium sulfite in hydrochloric acid or sulfuric acid at a low temperature of 0～5°C. This reaction produces o-bromophenyl diazonium salt, which then reacts with benzene to form 2-bromobiphenyl.

Safety Information

2-Bromobiphenyl is classified as an irritant. It is recommended to wear appropriate protective gear, such as gloves and goggles, to avoid contact. In case of contact, the affected area should be rinsed immediately with plenty of water, and medical attention should be sought. The compound should be stored in a sealed container at room temperature, protected from light, to ensure stability and prevent decomposition.

Suppliers

Several suppliers offer 2-bromobiphenyl in various package sizes and at different prices. For instance, Zhengzhou Ji Cheng Chemical Technology Co., Ltd. offers the compound at a price of approximately 31 yuan per gram. This allows researchers and manufacturers to purchase the quantity that best suits their needs.

Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

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