4-Ethylphenylacetylene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 40307-11-7 |
| Product name | 4-Ethylphenylacetylene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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-Ethylphenylacetylene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Ethylphenylacetylene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Ethylphenylacetylene
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in the synthesis of biologically active molecules or drug candidates | Employed as an alkyne building block in cross-coupling reactions—such as Sonogashira coupling—to construct complex arylalkyne frameworks |
| Organic Synthesis | Used as a building block for preparing liquid crystal materials, functional polymers, and optoelectronic materials | Integrated into target molecules via catalytic hydrogenation, cyclization, or polymerization to introduce the ethylphenylacetylene structural motif |
| Materials Science | Used in the synthesis of conjugated polymers or organic semiconductor materials | Applied as a monomer in transition metal-catalyzed polymerization to form π-conjugated systems |
Manufacturing Quality Control of 4-Ethylphenylacetylene
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in pyridine-methanol solvent system. |
| Residue on Ignition | Gravimetric Analysis | Mass loss upon high-temperature ashing followed by weighing of non-volatile inorganic residue. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein endpoint detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring absorbance at characteristic wavelength for lead. |
| Chloride Impurities | Ion Chromatography (IC) | Separation and quantification of chloride anions using suppressed conductivity detection after ion exchange. |
| Non-Volatile Residue | Evaporation and Gravimetry | Weighing of residue remaining after controlled evaporation of a known sample mass under specified temperature and vacuum. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Assessment of yellowness intensity by matching against APHA color standards or measuring absorbance at 430 nm. |
| Density | Digital Density Meter | Determination of mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface to infer purity and composition. |
| Distillation Range | Simple Distillation with Thermometry | Observation of initial and final boiling points under controlled atmospheric pressure and heating rate. |
| Organic Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Identification and quantification of residual solvents and low-boiling impurities via thermal desorption and mass spectral detection. |
Technical Specifications of 4-Ethylphenylacetylene
| Test Item | Specification |
|---|---|
| Appearance | Yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.535–1.545 |
| Relative Density (20°C/25°C) | 0.94–0.96 g/cm³ |
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-Ethylphenylacetylene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Ethylphenylacetylene
Packaging of 4-Ethylphenylacetylene
Industrial 4-Ethylphenylacetylene 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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