PFO-Py , CAS No.773895-96-8

CAS: 773895-96-8 Cat. No.: P1505003

Storage

Room temperature

Specifications

Storage

Room temperature

Application Protocols

No item-specific, tested application protocols are provided in the Product Data.

General starting points (literature-inspired, not item-specific):

• Hydrophobic/oleophobic coating additive: Blend 0.1–2 wt% of the fluorinated aromatic into a host polymer solution (e.g., PMMA in anisole or polystyrene in toluene); cast or spin-coat; anneal at 60–120 °C to promote surface segregation.
• Fluorescence probe (pyrene variants): Prepare ~10 µM solution in toluene; record steady-state emission (monitor excimer at ~470–520 nm vs monomer at ~370–400 nm, literature values); use intensity ratios as microenvironment indicators.
• Fluorous phase tag: Attach or blend the PFO-containing component; after reaction, separate using a perfluorocarbon solvent wash; recover and reuse the fluorous phase.

Please adjust concentrations/solvents to the actual structure of SKU P1505003 once confirmed via CoA/Spec Sheet.

Biological Roles

This product is offered for materials science research. No biological role is specified for this SKU.

General note (not item-specific):

• Perfluoroalkyl–aromatic compounds do not have intrinsic metabolic or signaling functions in biological systems; they are typically chemically inert under physiological conditions and valued for surface/partitioning behavior.
• Pyrene fluorophores are used as non-biological probes for microenvironment polarity and aggregation via excimer emission, but such usage remains analytical/materials-focused and not therapeutic.

All uses must remain within research and laboratory contexts only.

Buffer Applications

Not typically applicable. PFO–Py materials are hydrophobic/fluorophilic and are not used as buffering agents. For aqueous systems, they may require surfactants or co-solvents to disperse; however, no buffer recipes or pH ranges apply to this item.

If dispersion in water is required for a specific experiment, consider:

• Preparing nanoemulsions using fluorinated surfactants (literature guidance) or encapsulation in amphiphilic carriers.
• Using water-miscible co-solvents (acetone, acetonitrile) in low percentages to aid deposition onto hydrated substrates, followed by solvent exchange.

No item-specific buffer data are available; refer to CoA/Spec Sheet.

Green Alternatives

Context (general)

• Perfluoroalkyl-containing substances (PFAS) have persistence and regulatory concerns. Where feasible, evaluate alternatives that reduce environmental impact while maintaining performance.

Potential alternatives and trade-offs (literature/general)

• Hydrocarbon analogs (alkylated pyrene/pyridine):
  • Pros: Avoid PFAS persistence; broader solvent compatibility; often lower cost.
  • Cons: Higher surface energy; reduced oleophobicity; may alter self-assembly and electronic coupling.
• Siloxane-based low-surface-energy additives:
  • Pros: Effective wetting control; lower bioaccumulation potential than long-chain PFAS.
  • Cons: Different solvent affinity; potential silicone migration.
• Shorter fluoroalkyl chains or partially fluorinated ethers (e.g., HFEs) as carriers rather than fluorinated solutes:
  • Pros: Lower bioaccumulation risk for some HFEs; easier solvent recovery.
  • Cons: May not replicate the performance of a covalently bound PFO tail.
• Process adjustments:
  • Use green solvents (e.g., 2-MeTHF, anisole, cyclopentyl methyl ether) for non-fluorous processing where compatible.
  • Optimize solid content and deposition methods (slot-die, blade-coating) to minimize solvent usage.

Selection should be guided by end-use requirements, LCA considerations, and local regulations on PFAS. Validate performance head-to-head before full substitution.

Pharmaceutical Uses

No pharmaceutical or clinical uses are claimed or supported for this product. It is for research use only.

General materials-centric notes (not item-specific):

• Fluorinated aromatics may appear in formulation research as surface-energy modifiers for devices (e.g., microfluidic coatings) or as analytical fluorescence tags (pyrene variants) in excipient screening. These are preclinical/materials evaluations only.
• There is no pharmacopeial monograph known for “PFO-Py” as a named substance. Any investigation in a GMP setting would require full characterization, impurity profiling, and toxicological assessment.

For any regulated context, obtain the exact identity/specifications from the CoA and consult regulatory guidance before use.

Physical Properties

Item-specific (from Product Data)

• Appearance: Not specified for this item; refer to CoA/Spec Sheet.
• Exact MP/BP, density, refractive index, solubility, logP/logS: Not specified for this item; refer to CoA/Spec Sheet.

General expectations for perfluoroalkyl–arene materials (literature guidance, not item-specific)

• Phase: Often low-melting solids or viscous oils depending on substitution pattern and aromatic core.
• Solubility profile: Characteristically soluble in fluorous solvents (e.g., perfluorohexane, HFE-7100, FC-72), variably soluble in nonpolar organics (toluene, chlorobenzene) and typically poorly soluble in polar protic solvents (water, alcohols).
• Surface activity: Very low surface energy; can promote repellency and ordered film formation on low-energy substrates.
• Thermal behavior: High thermal and oxidative stability relative to hydrocarbon analogs due to strong C–F bonds; glass transition or crystallization of the fluorinated tail may influence film morphology.
• Optical properties: If pyrene-based, strong absorption in the near-UV and characteristic excimer/exciplex fluorescence; if pyridine-based without extended PAH, weakly absorbing in near-UV.

Note: For quantitative values (mp, bp, density, UV–Vis maxima, extinction coefficients), and any specification limits applicable to this SKU, consult the item’s CoA/Spec Sheet.

Quality & Grades

Item-specific (from Product Data)

• Grade/purity: Not specified for this item; refer to CoA/Spec Sheet.
• Stabilizers/inhibitors, metal limits, residual solvents, UV cutoff: Not specified for this item; refer to CoA/Spec Sheet.

General guidance (materials science context)

• Materials-grade aromatic–fluorinated hybrids are typically controlled for organic purity (HPLC/NMR), residual inorganic content (ICP for metals if catalytic applications are anticipated), and low nonvolatile residues for film-forming uses.
• If the compound is fluorescent (e.g., pyrene-derived), low background fluorescence impurities and defined isomeric purity are crucial for reproducibility in sensing and optoelectronic experiments.
• For ligating pyridyl variants, base content and water content may affect coordination chemistry; Karl Fischer moisture and acid/base titration are commonly included on CoA.

Request the product’s CoA/Specification Sheet for the exact quality metrics provided for SKU P1505003.

Reaction & Applications

Item-specific (from Product Data)

• Manufacturer applications: Not specified in the listing; see below for general materials-science uses associated with PFO–Py families.

General applications (literature/general, not item-specific)

• Surface engineering: Perfluoroalkylated aromatics are used to lower surface energy and tune wetting/adhesion on polymers, glass, and oxide surfaces; they can form ordered monolayers or blend-compatible additives for hydrophobic/oleophobic coatings.
• Fluorous phase strategies: The perfluorooctyl (PFO) tail enables partitioning into fluorous solvents for biphasic catalysis or separations, facilitating catalyst/product handling.
• Optoelectronic modifiers (pyrene variants): Pyrene’s π-system supports strong absorption/emission and interfacial π–π interactions with graphitic materials (graphene, CNTs), used as dopants, alignment agents, and fluorescence probes.
• Ligand/catalysis roles (pyridine variants): PFO–pyridines act as weakly coordinating ligands or bases in metal-mediated reactions, with the fluorous tail enabling phase-tagged ligand recovery.
• Self-assembly: Balance of fluorophilicity and aromatics promotes micelle-like aggregation and excimer-forming stacks (pyrene cores), exploited in sensors and supramolecular materials.

Practical tips

• Maintain clean, dry glassware to ensure reproducible film formation.
• For fluorescence-based work, filter solutions (0.2 µm PTFE) prior to spin-coating or casting to minimize scattering centers.
• Consider using fluorous biphasic systems to simplify workup/recycling of PFO-tagged components.

Reaction Conditions

No reaction conditions are specified for this item.

General guidance for typical uses (literature, not item-specific):

• Film deposition: 1–10 mg/mL in HFE-7100, toluene, or chlorobenzene; filter (0.2 µm PTFE); spin at 1000–3000 rpm for 30–60 s; dry under N2. Optimize concentration for target thickness and morphology.
• Noncovalent functionalization of carbon nanomaterials (pyrene variants): Disperse nanotubes/graphene in toluene with 0.1–1 wt% pyrene additive; sonicate mildly (bath, ≤30 min); allow π–π adsorption; remove excess by washing with solvent.
• Metal–ligand applications (pyridine variants): Combine ligand (1–2 equiv relative to metal) in anhydrous, degassed toluene or DCM at 20–80 °C under N2/Ar; monitor by NMR/UV–Vis; isolate complexes by precipitation into fluorous or hydrocarbon nonsolvents as appropriate.
• Fluorous biphasic catalysis: Partition catalyst/ligand in a fluorous phase (e.g., perfluorohexane) and substrates in an organic phase; stir vigorously at 20–60 °C; separate phases post-reaction to recycle the fluorous component.

These are illustrative conditions only. Validate and optimize for your specific structure and application once the exact identity (from CoA) is confirmed.

Safety & Handling

Item-specific (from Product Data)

• GHS classification, signal word, H-statements, pictograms: Not specified for this item; refer to SDS.

General safety guidance for fluorinated aromatic materials (literature/general)

• Potential hazards: Many perfluoroalkyl-containing materials are persistent and bioaccumulative; avoid release to the environment. Dusts or powders may cause mechanical irritation. Combustion or strong thermal decomposition can generate toxic/corrosive fumes (including HF and perfluoroisobutylene-like species); use appropriate firefighting media and PPE.
• PPE: Wear lab coat, safety glasses, and suitable chemical-resistant gloves (e.g., nitrile). Avoid inhalation of dusts/aerosols; handle in a fume hood when weighing or dissolving.
• Incompatibilities: Avoid strong nucleophiles/bases that could induce defluorination under forcing conditions; avoid very strong oxidizers that may lead to uncontrolled reactions.
• First aid (overview, defer to SDS): Move exposed persons to fresh air for inhalation; rinse skin/eyes with water for several minutes upon contact; seek medical attention if symptoms persist.
• Environmental stewardship: Collect waste in fluorinated-organics containers; dispose via licensed chemical waste contractor. Prevent release to drains/soil.

Always consult the product-specific SDS from Aladdin Scientific for authoritative hazard classifications and emergency measures.

Solvent Selection

Item-specific (from Product Data)

• No item-specific solvent recommendations are provided; consult CoA/Spec Sheet where available.

General solvent guidance for perfluoroalkylated aryl compounds (literature/general)

• Polarity/miscibility profile:
  • Often highly soluble in fluorous media: perfluorohexane, perfluorodecalin, HFE-7100/7200, Fluorinert FC-series.
  • Frequently soluble in aromatic hydrocarbons (toluene, xylene, chlorobenzene), chlorinated solvents (CH2Cl2, CHCl3); solubility in alkanes varies with structure.
  • Poorly soluble in polar protic solvents (water, MeOH, EtOH); limited in polar aprotics (DMF/DMSO) unless additional polar functionality is present.
• Practical choices by use-case:
  • Thin films/coatings on low-energy substrates: HFE-7100 or perfluorohexane enable smooth deposition and rapid evaporation.
  • π-system processing (pyrene variants): Toluene or chlorobenzene often balance solubility and film morphology.
  • Metal–ligand chemistry (pyridine variants): Non-coordinating solvents (toluene, chlorobenzene, DCM) minimize competitive binding; avoid strongly basic media unless required.
• Drying/conditioning: For moisture-sensitive assembly or coordination steps, dry solvents over molecular sieves (3Å/4Å) and degas by sparging or freeze–pump–thaw.

Always verify solubility and stability with a small-scale test before scale-up.

Storage & Reconstitution

Item-specific (from Product Data)

• Storage: Room temperature.
• Shipped in: Not specified for this item; refer to CoA/Spec Sheet.

General guidance (materials science reagents)

• Keep container tightly closed in a dry place away from direct light and heat sources. Use desiccation if hygroscopicity is suspected based on structure.
• For solution preparation: Use dry, oxygen-free solvents for air/moisture-sensitive applications; filter solutions through 0.2 µm PTFE prior to thin-film processing.
• Stability: Fluorinated aromatics are typically air-stable; avoid prolonged exposure above 150–200 °C unless thermal stability is documented. Prevent contamination that could affect film quality (dust, plasticizers).
• Packaging compatibility: Store in glass with PTFE-lined caps to minimize sorption; avoid permeable plastics for long-term storage of solutions in fluorous solvents.

Refer to the product’s CoA/SDS for any additional, item-specific handling or storage precautions.

Structure & Identity

Item-specific (from Product Data)

• SKU: P1505003
• Product name: PFO-Py
• CAS: 773895-96-8
• Storage conditions: Room temperature
• Research use note: For research use only
• Molecular formula: Not specified for this item; refer to CoA/Spec Sheet.
• Molecular weight: Not specified for this item; refer to CoA/Spec Sheet.
• SMILES: Not specified for this item; refer to CoA/Spec Sheet.
• InChIKey: Not specified for this item; refer to CoA/Spec Sheet.

Context and structural notes (general/literature guidance, not item-specific)

• The shorthand “PFO-Py” is commonly used in materials chemistry for perfluoroalkyl–arene hybrids. Two prevalent chemotypes seen in the literature are:
  • Perfluorooctyl–pyrene derivatives (a pyrene core bearing a perfluorooctyl substituent; fluorophilic, π-stacking, strongly fluorescent).
  • Perfluorooctyl–pyridine derivatives or pyridinium PFAS salts (fluorous tails imparting low-surface-energy behavior; pyridine as a ligating/basic site).
• Typical structural features for these families include: a polycyclic aromatic hydrocarbon or a pyridyl ring covalently attached to a perfluorinated C8 chain. This confers high hydrophobicity/oleophobicity and compatibility with fluorous phases.
• Without a confirmed structure for this SKU, please consult the CoA/Spec Sheet for the exact molecular identity and any stereochemical or regiochemical details.

Synthetic Utility

General (literature, not item-specific)

• Functional groups and reactivity:
  • Pyrene core (if applicable): Offers a rigid, planar PAH for π–π interactions; can engage in electrophilic substitution at activated positions; photochemical reactivity enables excimer/exciplex formation used in sensing assemblies.
  • Pyridine core (if applicable): Basic, σ-donating/π-accepting ligand; forms complexes with late-transition metals (Pd, Pt, Ru) and lanthanides; can be quaternized to pyridinium salts for ionic materials.
  • Perfluorooctyl tail: Chemically inert under most conditions; imparts fluorous phase affinity and ultralow surface energy; can drive self-assembly and phase segregation in blocky copains or blends.
• Retrosynthetic value:
  • Fluorous tagging: Temporary incorporation of a PFO tag allows phase-switch purification in synthesis; tags can be removed or retained to modulate material properties.
  • Interface modifiers: Grafted onto substrates (via additional functional handles) to tailor wettability and adhesion in multilayer device stacks.
• Representative transformations:
  • Cross-coupling (Suzuki, Sonogashira, Negishi) to install aryl–PFO substituents when halopyrene/halopyridine precursors are used.
  • N-oxidation or quaternization of pyridine to tune polarity and coordination behavior.
  • Noncovalent assembly of pyrene derivatives onto sp2-carbon surfaces to build hybrid composites.

Consult the item’s CoA/Spec Sheet for the exact functional handles present on SKU P1505003.

Target Specificity

Not applicable. This product is not an antibody, protein, or nucleic-acid reagent. No antigen/epitope, clone, isotype, or species reactivity information applies.