[2.2]Paracyclophane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1633-22-3 |
| Product name | [2.2]Paracyclophane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeElectronic GradeMaterial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for [2.2]Paracyclophane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk [2.2]Paracyclophane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of [2.2]Paracyclophane
| Industry | Application | Process |
|---|---|---|
| Chemical Intermediates | Monomer for synthesizing parylene (poly-para-xylylene) coating materials | Thermal pyrolysis and cyclodimerization of p-xylene to form [2.2]paracyclophane, followed by high-temperature pyrolytic vapor deposition polymerization |
| Electronics Industry | Preparation of conformal coatings (e.g., Parylene C, N), providing excellent dielectric properties, moisture resistance, and chemical inertness | Vapor deposition polymerization (Gorham process): p-xylene dimer is pyrolyzed at high temperature (≈680 °C) to generate p-xylylene radicals, which rearrange and polymerize on room-temperature substrates |
| Medical Devices | Biocompatible coating precursor for surface protection of catheters, pacemaker electrodes, implantable sensors, and similar devices | High-vacuum vapor deposition process yielding solvent-free, residue-free, ultra-thin (0.1–76 μm), uniform coatings with low pinhole density |
| Aerospace | Production of protective coatings resistant to extreme temperatures and radiation, for encapsulation of precision electronic components and sensors | Low-temperature, low-pressure vapor deposition, compatible with complex 3D geometries and compliant with military standards such as MIL-I-46058C |
Manufacturing Quality Control of [2.2]Paracyclophane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) | Quantifies main component peak area relative to calibration standard using flame ionization detection. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between water, iodine, sulfur dioxide, and base in methanol medium. |
| Acid Number | Acid-Base Titration | Determines acidic impurities by titration with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Compares sample color to APHA platinum-cobalt standard solutions at 455 nm wavelength. |
| Density at 20 C | Digital Density Meter | Measures mass per unit volume using oscillating U-tube principle with temperature control. |
| Refractive Index at 20 C | Refractometry | Determines refractive index based on critical angle of total internal reflection at liquid-prism interface. |
| Non-Volatile Residue | Gravimetric Analysis | Evaporates sample under controlled conditions and weighs residual solids after drying. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies metal content by measuring absorption of specific wavelengths of light by ground-state atoms in flame. |
| Residual Solvents | Gas Chromatography (GC) | Separates and quantifies volatile organic impurities using headspace or direct injection with FID detection. |
| Peroxide Value | Iodometric Titration | Measures peroxides by oxidation of iodide to iodine, followed by titration with sodium thiosulfate. |
| Boiling Range | Distillation (ASTM D1078) | Determines temperature interval over which 90% of sample distills under controlled atmospheric pressure. |
| Appearance | Visual Inspection | Assesses clarity and presence of suspended particles or phase separation against specified criteria under controlled lighting. |
Technical Specifications of [2.2]Paracyclophane
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline solid |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 123–127°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.545–1.555 |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of [2.2]Paracyclophane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of [2.2]Paracyclophane
Packaging of [2.2]Paracyclophane
Industrial [2.2]Paracyclophane Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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