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Blue-emitting fluorescent parylene derivative with high photostability under UV excitation (λex ≈ 365 nm, λem ≈ 440 nm).
Retains the inherent conformality, pinhole-free film-forming capability, and chemical inertness of standard parylene C.
Enables non-destructive, real-time visualization of coating uniformity and coverage during vapor deposition processes.
Thermally stable up to 150 °C in inert atmosphere; compatible with standard parylene C deposition equipment and parameters.
Free-flowing, micronized powder form ensures consistent feed rate and minimal clogging in dimer vaporization chambers.
Quality assurance and process validation for medical device coatings (e.g., pacemaker leads, neurostimulation electrodes).
Research-grade thin-film visualization in MEMS/NEMS packaging and microfluidic channel encapsulation.
Failure analysis and defect mapping in aerospace electronics where conformal coating integrity is mission-critical.
Academic and industrial R&D for functionalized polymer interfaces requiring traceable, solvent-free deposition.
Calibration standards for fluorescence-based thickness monitoring systems in vacuum coating lines.
| Chemical Type | Fluorescently modified poly(chloro-p-xylylene) dimer |
| Product Form | Free-flowing crystalline powder |
| Appearance | Off-white to pale yellow, fine granular solid |
| Melting Point (DSC onset) | 178–182 °C |
| Primary Applications | Fluorescence-enabled conformal coating, process verification, R&D visualization |
| Key Features | UV-excitable blue fluorescence, parylene C backbone compatibility, sublimation-ready |
| Benefits | No solvents or additives required; no post-deposition curing; intrinsic traceability |
| Regulatory Compliance | RoHS 2015/863 compliant; REACH SVHC candidate list: None declared |
| Common Compatible Systems | Suitability |
| SCS PDS 2010 / 2020 Series Coaters | Highly Recommended – Optimized for dimer sublimation kinetics and thermal stability profile |
| Specialty Coating Systems (SCS) PDS 3030 | Highly Recommended – Supports precise temperature ramping for uniform fluorescent film growth |
| Nordson ASYMTEK parylene platforms (e.g., PDS-2000 series) | Recommended – Requires minor chamber temperature calibration adjustment |
| Custom-built vapor deposition systems with quartz-lined chambers | Suitable – Must maintain <1×10−6 Torr base pressure and avoid halogenated elastomers |
Q1: What is the CAS Registry Number for Parylene Fluorescent C Powder?
A: The CAS number is 2424422-89-0. This identifier applies specifically to the fluorescent dimer formulation and differs from standard parylene C (CAS 28804-46-8).
Q2: How does recommended usage dosage compare to standard parylene C dimer?
A: Use identical mass loading (typically 15–25 g per run); fluorescence intensity scales linearly with film thickness—no dosage adjustment needed for standard coating protocols.
Q3: Does the fluorescent moiety affect biocompatibility or extractables profile vs. standard parylene C?
A: Extractables testing per USP <788> and ISO 10993-12 shows no detectable leachables beyond those typical of parylene C; full biocompatibility data available upon request under NDA.
Q4: Is Parylene Fluorescent C Powder certified for use in FDA-regulated medical devices?
A: It is manufactured under ISO 13485:2016 quality system; final device approval remains the responsibility of the OEM—but all raw material documentation supports FDA 510(k) and PMA submissions.
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