4-Ethynylanisole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 768-60-5 |
| Product name | 4-Ethynylanisole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 4-Ethynylanisole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Ethynylanisole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Ethynylanisole
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate | Used as a precursor compound in the synthesis of certain pharmaceuticals, including antidepressants and analgesics |
| Pesticides | Intermediate | Used in the synthesis of active ingredients in pesticides |
| Polymers | Monomer | Applied as a monomer in the synthesis of specific polymer types |
| Organic Synthesis | Synthetic Reagent | Applied in organic synthesis reactions as a building block or reaction intermediate |
Manufacturing Quality Control of 4-Ethynylanisole
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 4-ethynyl anisole by separation on a capillary column and flame ionization detection relative to an internal/external standard. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Determines trace water via electrochemical iodine generation and stoichiometric reaction with water in anhydrous methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measures non-volatile inorganic impurities by ashing the sample at 700–800 °C and weighing the residual inorganic residue. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Quantifies total heavy metals by atomization and excitation in argon plasma, measuring element-specific emission intensities. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Separates and quantifies chloride ions using anion-exchange column and suppressed conductivity detection. |
| Acidity (as HCl) | Acid-Base Titration with Potentiometric Endpoint | Neutralizes acidic impurities (e.g., residual HCl) with standardized NaOH solution; endpoint detected potentiometrically. |
| Appearance and Color | Visual Inspection against Standard Color Scale (e.g., APHA/Hazen) | Compares sample clarity and yellowish tint to platinum-cobalt reference standards under controlled lighting. |
| Melting Point | Capillary Melting Point Determination | Measures temperature range of solid-to-liquid phase transition using calibrated digital melting point apparatus. |
| Residual Solvents (e.g., THF, MeOH) | Headspace Gas Chromatography (HS-GC) with FID | Quantifies volatile organic solvents by equilibrium headspace sampling followed by GC separation and detection. |
| Related Substances (Impurity Profile) | High-Performance Liquid Chromatography (HPLC) with UV detection | Separates and detects structurally related impurities (e.g., 4-iodoanisole, diethyl ether adducts) using reversed-phase C18 column and UV absorbance at 254 nm. |
Technical Specifications of 4-Ethynylanisole
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow semi-solid |
| Purity | >=98.0% (GC) |
| Total Impurities | <=2.0% (GC) |
| Single Impurity | <=0.5% (GC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 45–49°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 4-Ethynylanisole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Ethynylanisole
Packaging of 4-Ethynylanisole
Industrial 4-Ethynylanisole 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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