In the complex world of chemical manufacturing and research, precise understanding of a compound's specifications is fundamental to successful synthesis and application. For professionals working with advanced electronic materials, 4-Bromo-4-N-Pentylbiphenyl (CAS 63619-59-0) is a key intermediate, and knowing its detailed properties is crucial. This guide provides an overview of its critical specifications, helping buyers and researchers make informed decisions when they need to buy.

Chemical Identity and Properties

4-Bromo-4-N-Pentylbiphenyl is an organic compound widely utilized in the synthesis of materials for OLEDs and liquid crystals. Its chemical formula is C17H19Br, and it has a molecular weight of approximately 303.237 g/mol. The presence of the bromine atom on the biphenyl structure makes it a valuable reactant in various coupling reactions, such as Suzuki or Sonogashira couplings, which are common in creating complex organic electronic molecules.

Key Specifications for Procurement

When sourcing 4-Bromo-4-N-Pentylbiphenyl, buyers should pay close attention to the following specifications:

  • CAS Number: 63619-59-0. This unique identifier is critical for ensuring the correct chemical is being procured.
  • Purity: Typically, suppliers offer this intermediate with a minimum purity of 97% or 99% (by HPLC). Higher purity is generally preferred for sensitive electronic applications to avoid side reactions and ensure the performance of the final product.
  • Appearance: It is commonly described as a white to pale yellow powder or crystalline solid. Any significant deviation in appearance might indicate the presence of impurities.
  • Melting Point (MP): The melting point is reported around 98°C. This physical property can be an indicator of purity.
  • Boiling Point (BP): The boiling point at 760 mmHg is approximately 378.3°C.
  • Density: Reported as 1.197 g/cm³.

Importance of Specification Data

Accurate specification data is vital for several reasons:

  • Synthesis Planning: Researchers use this data to design reaction conditions and predict outcomes.
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  • Quality Assurance: It forms the basis for quality control testing by manufacturers and end-users.
  • Supplier Comparison: Detailed specifications allow buyers to compare offerings from different manufacturers and select the best fit for their needs.

For those looking to purchase 4-Bromo-4-N-Pentylbiphenyl, it is advisable to always request the most up-to-date Certificate of Analysis (CoA) from the supplier. This document will detail the specific batch's purity and other relevant analytical data. Engaging with reputable chemical manufacturers in China can provide access to this critical information and ensure you obtain a product that meets your stringent requirements for OLED and liquid crystal material synthesis.