COAT‑X Parylene C dimer is a high‑purity raw material designed for the production of robust Parylene C conformal coatings used in electronic, medical, and industrial applications. It is qualified for use in COAT-X parylene CVD deposition systems to deliver highly reliable, uniform coatings on complex and delicate components.
COAT‑X Parylene C dimer (symmetrical dichloro‑paracyclophane) is supplied as a white to off‑white crystalline solid, engineered as the consumable feedstock for Parylene C chemical vapor deposition processes (CVD). Controlled purity, particle size, and very low levels of ionic and volatile contaminants support precise dosing, efficient vaporization, and consistent coating thickness in both prototyping and high‑volume production.
By far the most widely deployed grade, Parylene C delivers an excellent balance of moisture barrier performance, chemical resistance, and mechanical toughness. A single chlorine substituent on its aromatic ring significantly lowers water vapor transmission compared to Parylene N while maintaining good dielectric properties. Its broad process compatibility, well-established biocompatibility data (USP Class VI, ISO 10993), and cost-effectiveness make it the default choice for medical devices, PCBs, and general electronics protection.
COAT‑X qualifies each batch of Parylene C dimer for purity and full traceability to ensure stable deposition rates and reproducible coating performance. The product is supplied in sealed, contamination‑controlled packaging; storage in a cool, dry environment and careful handling within the coating workflow help maintain material integrity and maximize process yield.
| Product Name: | Parylene-C Dimer |
| Chemical Name: | Dichloro-p-cyclophane |
| Chemical Formula: | C₁₆H₁₄Cl₂ |
| CAS Number: | 28804-46-8 |
| Synonyms: | [2,2] Paracyclophane, dimer of Parylene-C, di-para-xylylene dichloride |
| Appearance: | White to off-white granular powder |
| Odor: | Odorless |
| Packaging: | 500g and 1kg sizes |
| Property | Value / Description |
| Molecular Weight | 277.193 g/mol |
| Melting Point | 165-170°C |
| Vapor pressure @20°C | < 1 Torr, sublimes without decomposition when heated under vacuum |
| Solubility | Insoluble in water; soluble in organic solvents (e.g., toluene, xylene) |
| Purity | ≥ 90.0% (Typical 92%) |
| Density | ~1.29 g/cm³ |
| Storage Conditions | Store in a cool, dry place; avoid light and moisture. |
| Category | Information |
| Personal Protection | Use gloves, goggles, and protective clothing |
| Ventilation | Use in a well-ventilated or fume hood area |
| Storage | Keep container tightly closed and sealed |
| Inhalation Risk | Low volatility, but avoid inhaling dust |
| Decomposition | Might produce HCl and aromatic compounds on heating |
Refer to SDS (Safety Data Sheet) for detailed information.
| RoHS Compliant: | Yes |
| REACH Status: | Exempt, annual tonnage does not require a registration |
| Country of Origin: | Varies by supplier |
| Shelf Life: | Up to 3 years if stored properly |
| Company Name: | COAT-X SA |
| Address: | Eplatures Grise 17, 2300 La Chaux-de-Fonds, Switzerland |
| Contact Email: | info@coat-x.com |
| Phone: | +41 32 552 19 20 |
| Website: | www.coat-x.com |
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