In the diverse landscape of industrial solvents, Perfluoroheptane (CAS 335-57-9) stands out due to its unique perfluorinated structure and resulting chemical properties. For research scientists and industrial formulators, understanding this compound's capabilities and how to source it reliably is essential. This article explores Perfluoroheptane as a specialty solvent, detailing its characteristics and procurement considerations.

Perfluoroheptane is a member of the perfluorocarbon family, characterized by a seven-carbon chain where every hydrogen atom has been replaced by a fluorine atom. This complete fluorination results in a molecule with exceptional stability, very low surface tension, and remarkable immiscibility with both water and most organic solvents. Physically, it presents as a clear, volatile liquid with a density of approximately 1.7 g/cm³ and a boiling point in the range of 80-82°C. These properties make it distinct from conventional hydrocarbon or halogenated solvents.

As a specialty solvent, Perfluoroheptane's primary utility lies in applications where inertness and precise solvency are required. Its most recognized role is in the deacidification of paper, acting as a carrier fluid that facilitates the introduction of alkaline buffering agents without damaging the paper’s structure. Its low surface tension allows it to penetrate porous materials effectively. Beyond archival applications, its non-flammability, low toxicity, and dielectric properties suggest potential use in cleaning sensitive electronic components, as a heat transfer fluid in niche applications, or as a solvent in specific polymerization reactions where traditional solvents might interfere.

For businesses looking to buy Perfluoroheptane, the selection of a reputable manufacturer is critical. As a specialty chemical, consistency in purity and physical properties is paramount. Chinese manufacturers are a significant source for Perfluoroheptane, often providing competitive pricing for bulk purchases. When inquiring about price, consider the cost per kilogram and the minimum order quantity. It is advisable to source from suppliers who can provide detailed product specifications, including purity analysis (e.g., >99% via GC), and comprehensive safety data sheets.

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