Diethyl 3-Cyclopentene-1,1-dicarboxylate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 21622-00-4 |
| Product name | Diethyl 3-Cyclopentene-1,1-dicarboxylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent Grade |
| Packaging | 25L/drum |
| 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 Diethyl 3-Cyclopentene-1,1-dicarboxylate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl 3-Cyclopentene-1,1-dicarboxylate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethyl 3-Cyclopentene-1,1-dicarboxylate
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Organic synthesis intermediate | Used in organic synthesis reactions as an ester compound |
| Materials Science | Polymer synthesis | Applied as a monomer or crosslinking agent in polymerization reactions |
| R&D Sector | Laboratory research | Employed for mechanistic studies of chemical reactions and synthesis of novel compounds |
Manufacturing Quality Control of Diethyl 3-Cyclopentene-1,1-dicarboxylate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component by retention time and peak area comparison against certified reference standard. |
| Related Substances | Gas Chromatography (GC) with FID or MS detection | Separates and detects impurities based on relative retention times and response factors; identification via mass spectral library matching when using MS. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Measures water via electrochemical generation of iodine and stoichiometric reaction with water in anhydrous methanol-based solvent. |
| Acid Value | Acid-Base Titration (NaOH in ethanol) | Determines free carboxylic acid content by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis (Ignition at 700-800 C) | Measures non-volatile inorganic residue after high-temperature ashing of sample in a platinum crucible. |
| Heavy Metals | ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry) | Quantifies trace metal contaminants (e.g., Pb, Cd, Hg, As) by atomic emission intensity at characteristic wavelengths after acid digestion. |
| Chloride Content | Ion Chromatography (IC) with conductivity detection | Separates and quantifies chloride ions using anion-exchange column and suppressed conductivity detection. |
| Color | APHA Color Scale (Visual or Spectrophotometric) | Compares sample color to platinum-cobalt standard solutions; measured as APHA units using spectrophotometer at 455 nm if automated. |
| Density | Oscillating U-tube Densitometry | Determines density from resonant frequency shift of a vibrating U-shaped glass tube filled with sample. |
| Refractive Index | Refractometry (Abbe refractometer) | Measures ratio of speed of light in air vs. sample at specified temperature (typically 20 C) using total internal reflection principle. |
| Ethanol Residue | Gas Chromatography (GC) with FID detection | Quantifies residual ethanol solvent by headspace or direct injection GC analysis against calibration curve. |
| Appearance | Visual Inspection (in clear glass container) | Assesses physical state, clarity, and presence of particulates or phase separation under controlled white light and defined viewing conditions. |
Technical Specifications of Diethyl 3-Cyclopentene-1,1-dicarboxylate
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.465–1.475 |
| Relative Density (20°C/25°C) | 1.070–1.090 g/cm³ |
| Odor | Characteristic ester-like odor |
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 Diethyl 3-Cyclopentene-1,1-dicarboxylate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethyl 3-Cyclopentene-1,1-dicarboxylate
Safety Information of Diethyl 3-Cyclopentene-1,1-dicarboxylate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Diethyl 3-Cyclopentene-1,1-dicarboxylate
Industrial Diethyl 3-Cyclopentene-1,1-dicarboxylate 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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