1,3-DIETHYNYLBENZENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1785-61-1 |
| Product name | 1,3-DIETHYNYLBENZENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 1,3-DIETHYNYLBENZENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-DIETHYNYLBENZENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-DIETHYNYLBENZENE
| Industry | Application | Process |
|---|---|---|
| Chemical Research | Organic synthesis intermediate | Used as a ligand in the synthesis of conjugated polymers and metal–organic frameworks (MOFs) |
| Materials Science | Functional material preparation | Applied as a precursor in the preparation of conductive polymers and optoelectronic materials |
| Fine Chemicals | Specialty chemical synthesis | Participates in Sonogashira coupling reactions to synthesize complex arylalkyne compounds |
Manufacturing Quality Control of 1,3-DIETHYNYLBENZENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative separation and detection based on volatility and retention time relative to certified standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in anhydrous methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis | Mass difference after high-temperature ashing to determine non-volatile inorganic impurities. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using ion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measurement of absorbance at characteristic wavelength after acid digestion and atomization. |
| Sulfated Ash | Gravimetric Analysis | Mass of inorganic residue after combustion with sulfuric acid treatment and subsequent ignition. |
| Acidity (as HCl) | Acid-Base Titration | Neutralization of acidic impurities with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Color | Visual Comparison or APHA Color Scale | Comparison of sample solution color against platinum-cobalt standard solutions under controlled lighting. |
| Melting Point | Capillary Melting Point Determination | Thermal observation of solid-to-liquid phase transition using calibrated capillary apparatus. |
| Organic Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Extraction and identification of residual solvents via thermal equilibration and mass spectral detection. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light caused by chiral impurities or enantiomeric excess. |
| Residual Solvents (e.g., acetone, toluene) | Gas Chromatography (GC) with FID detection | Quantitative analysis using headspace or direct injection against solvent-specific calibration curves. |
Technical Specifications of 1,3-DIETHYNYLBENZENE
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown liquid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Melting Point | 35–39°C |
| 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 1,3-DIETHYNYLBENZENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-DIETHYNYLBENZENE
Packaging of 1,3-DIETHYNYLBENZENE
Industrial 1,3-DIETHYNYLBENZENE 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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