1-ETHYNYLNAPHTHALENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 15727-65-8 |
| Product name | 1-ETHYNYLNAPHTHALENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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-ETHYNYLNAPHTHALENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-ETHYNYLNAPHTHALENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-ETHYNYLNAPHTHALENE
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Used as an organic synthesis intermediate for preparing naphthalene derivatives and functionalized chemicals | Functional groups are introduced via electrophilic substitution, coupling reactions, and other pathways to construct complex molecular frameworks |
| Pharmaceutical R&D | Used to synthesize biologically active naphthalene-based pharmaceuticals or lead compounds | 1-Ethynylnaphthalene serves as the starting material; the drug molecule scaffold is constructed through catalytic hydrogenation, oxidation, or coupling reactions |
| Materials Science | Used as a precursor for functional materials, such as optoelectronic materials or polymer monomers | Participates in copolymerization or assembly of functional polymers via metal-catalyzed coupling (e.g., Suzuki, Sonogashira reactions) |
| Fine Chemicals | Used in the production of dyes, fragrances, and specialty additives | Specific functional groups are introduced via chemical transformation of the ethynyl group to enable color or performance modulation |
Manufacturing Quality Control of 1-ETHYNYLNAPHTHALENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Residue on Ignition | Gravimetric Analysis | Mass of non-volatile residue measured after high-temperature ashing (550-600 C) and cooling in a desiccator. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance of ground-state atoms at element-specific wavelengths. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using an anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Mass of inorganic sulfate residue determined after treatment with sulfuric acid followed by ignition at 700-750 C. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as the temperature range over which solid-to-liquid phase change occurs under controlled heating. |
| Acid Value | Acid-Base Titration (NaOH in ethanol) | Neutralization of acidic impurities with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Appearance (Color & Clarity) | Visual Inspection against Standard Solutions | Comparison of sample solution (in specified solvent) to platinum-cobalt color standards and assessment of particulate clarity. |
| Volatile Impurities | Headspace Gas Chromatography (HS-GC) | Detection and quantification of low-boiling organic impurities via equilibrium partitioning into headspace prior to GC analysis. |
| Related Substances | High-Performance Liquid Chromatography (HPLC) with UV detection | Separation on reversed-phase C18 column and detection at 254 nm; identification and quantification relative to main peak. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Drying | Mass loss measured after drying at 105 C for 2 hours under atmospheric pressure, indicating volatile content including solvents and moisture. |
Technical Specifications of 1-ETHYNYLNAPHTHALENE
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 45-48°C |
| Identification (NMR) | Consistent with structure |
| Odor | Characteristic hydrocarbon-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 1-ETHYNYLNAPHTHALENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-ETHYNYLNAPHTHALENE
Packaging of 1-ETHYNYLNAPHTHALENE
Industrial 1-ETHYNYLNAPHTHALENE 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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