1-ETHYNYL-3 5-DIMETHOXYBENZENE 98 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 171290-52-1 |
| Product name | 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeCosmetic GradeFood Grade |
| Packaging | 25KG/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 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Synthesis of pharmaceutical intermediates | Introducing two methoxy substituents via alkyne functionalization of phenylacetylene |
| Pharmaceuticals | Intermediate in the synthesis of anticancer or antiviral agents | Constructing complex molecular frameworks via coupling or alkylation reactions |
| Agrochemicals | Intermediate in the synthesis of certain herbicides or insecticides | Functional group transformation and substitution reactions of aromatic compounds |
| Fine Fragrances | Used in the synthesis of specific fragrance ingredients | Generating odor-specific compounds via oxidation or condensation reactions |
| Materials Science | Monomer for synthesizing functional polymeric materials | Preparing specialty-performance materials via polymerization or crosslinking reactions |
Manufacturing Quality Control of 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 254 nm, based on peak area comparison against reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities using gradient HPLC-UV; identification via retention time matching and relative response factors. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., methanol, THF, toluene) by headspace GC with flame ionization detection using calibrated standards. |
| Water Content | Karl Fischer Titration | Determines trace water by coulometric or volumetric titration using iodine generation and stoichiometric reaction with water. |
| Heavy Metals | ICP-OES | Quantifies metals (e.g., Pb, Cd, Ni, Fe) after acid digestion by measuring atomic emission intensities at element-specific wavelengths. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column with suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Measures inorganic residue after controlled combustion of sample with sulfuric acid followed by high-temperature incineration and weighing. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating crystallinity and presence of impurities. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity of solid sample against established visual standards under controlled lighting. |
| Loss on Drying | Thermogravimetric Analysis | Measures weight loss upon heating under defined conditions (e.g., 105 C, 2 h) to estimate volatile content including moisture and solvents. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light to confirm chiral purity and identity; compound is achiral but method verifies absence of optically active contaminants. |
| pH of Aqueous Suspension | pH Meter | Determines acidity/basicity of a saturated aqueous suspension, indicating presence of acidic or basic degradation products. |
Technical Specifications of 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 78–82°C |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Heavy Metals | <=10 ppm |
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-ETHYNYL-3 5-DIMETHOXYBENZENE 98
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98
Safety Information of 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98
Industrial 1-ETHYNYL-3 5-DIMETHOXYBENZENE 98 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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