China Factory Direct
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| CAS number | 873-73-4 |
| Product name | 4-Chlorophenylacetylene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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) |
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 |
|---|---|---|
| Pesticides | Key intermediate for synthesizing pyrethroid insecticides (e.g., cypermethrin, lambda-cyhalothrin) | Used to construct the chrysanthemic ester side chain via Suzuki coupling or Ullmann reaction with aromatic aldehydes/haloarenes |
| Pharmaceuticals | Structural building block for synthesizing antitumor agents (e.g., phenylacetylene-based tubulin inhibitors) and antimicrobial compounds | Employs Sonogashira coupling to introduce targeting groups, followed by hydrogenation, cyclization, and other downstream modifications |
| Materials Science | Preparation of conductive polymers, OLED hole-transport materials, and liquid crystal monomers | Serves as an alkyne building block in Glaser coupling or click chemistry to form conjugated π-extended frameworks |
| Dyes & Pigments | Substituted arylacetylene precursor for high-performance anthraquinone- and azo-based functional dyes | Integrated into the chromophore core structure after electrophilic substitution or metal-catalyzed halogen exchange |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 4-chlorophenylacetylene peak area relative to calibrated standard; separation based on volatility and polarity. |
| Water Content | Karl Fischer Titration | Measures water via stoichiometric reaction between water, iodine, sulfur dioxide, and base in methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic impurities by weighing residue after high-temperature ashing. |
| Chloride Impurities | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Detects trace metal elements (e.g., Pb, Cd, Hg, As) by atomic emission following plasma atomization/excitation. |
| Acidity (as HCl) | Acid-Base Titration with NaOH | Neutralizes acidic impurities using standardized sodium hydroxide solution with phenolphthalein indicator. |
| Color | Visual Comparison or APHA Color Scale | Evaluates color intensity against platinum-cobalt standards under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Determination | Measures temperature range at which solid transitions to liquid using calibrated capillary apparatus. |
| Residual Solvents | Gas Chromatography (GC) with Headspace Sampling | Quantifies volatile organic solvents (e.g., acetone, toluene) via equilibrium headspace analysis. |
| Organic Impurities (Related Substances) | High-Performance Liquid Chromatography (HPLC) with UV detection | Separates and detects structurally related compounds using reversed-phase column and UV absorbance at 254 nm. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light caused by chiral impurities or enantiomeric excess (though compound is achiral, detects chiral contaminants). |
| Bulk Density | Volumetric Method (ASTM D1895) | Determines mass per unit volume of freely settled powder using calibrated cylinder and balance. |
| Test Item | Specification |
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| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 64–68°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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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.