China Factory Direct
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| CAS number | 766-47-2 |
| Product name | 2-ETHYNYLTOLUENE 97 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthetic intermediate for preparing anticancer, antiviral, or central nervous system drugs | Construction of heterocyclic or arylacetylene structures via Sonogashira coupling, metal-catalyzed addition, or cyclization reactions |
| Agrochemicals | Synthesis of biologically active agrochemical molecules (e.g., insecticides, fungicides) | C–C bond formation reactions incorporating alkynyl groups to enhance molecular activity or selectivity |
| Materials Science | Synthesis of conjugated polymers, organic optoelectronic materials, or liquid crystal monomers | Alkynyl group utilization in click chemistry or Glaser coupling polymerization |
| Fine Chemicals | Organic synthesis building block for fragrance, dye, or other functional molecule construction | Molecular structure modification via electrophilic/nucleophilic addition, reduction, or oxidation |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against a certified reference standard under validated chromatographic conditions. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Sample is ignited at 700–800 °C to volatilize organic matter; residual inorganic ash is weighed after cooling in a desiccator. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Atomization and excitation of metals in high-temperature plasma; quantification via element-specific emission line intensity. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Separation of anions on an ion-exchange column; chloride quantified by conductivity response relative to calibration standards. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH (Potentiometric endpoint) | Neutralization of acidic impurities using standardized sodium hydroxide; endpoint determined by pH inflection. |
| Color (APHA) | Visual or Instrumental Colorimetry (APHA scale) | Comparison of sample solution color to platinum-cobalt standard solutions using spectrophotometer or calibrated visual comparator. |
| Refractive Index | Refractometry at 20 °C | Measurement of light refraction angle through liquid sample at controlled temperature; correlates with purity and composition. |
| Density at 20 °C | Digital Density Meter (Oscillating U-tube principle) | Determination of mass per unit volume via resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Distillation Range | Vacuum Distillation (ASTM D1078) | Temperature range over which ≥90% of sample distills under specified reduced pressure; indicates volatility profile and presence of low/high boilers. |
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.535–1.545 |
| Relative Density (20°C/25°C) | 0.925–0.935 g/cm³ |
| Odor | Characteristic hydrocarbon odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.