ethyl pent-4-ynoate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 63093-41-4 |
| Product name | ethyl pent-4-ynoate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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) |
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Documents We Provide for ethyl pent-4-ynoate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk ethyl pent-4-ynoate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of ethyl pent-4-ynoate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Key intermediate for synthesizing anticancer agents, antimicrobial agents, and neuroactive compounds | Used as an alkynylation reagent in Sonogashira coupling, Click reactions, and other C–C bond-forming processes to modify heterocyclic or aromatic ring systems |
| Organic Synthesis | Multifunctional synthon for constructing complex molecular frameworks containing alkyne moieties | Hydrolyzed to 4-pentynoic acid; or converted via reduction, addition, cyclization, and other derivatization reactions into heterocyclic systems such as γ-butynolide, substituted pyrazoles, and triazoles |
| Materials Science | Potential photosensitive monomer and functional polymer precursor | Participates in free-radical or click polymerization to introduce alkyne side chains—enabling modulation of polymer optoelectronic properties or serving as crosslinking sites |
Manufacturing Quality Control of ethyl pent-4-ynoate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 4-pentynoic acid ethyl ester by retention time and peak area against a calibrated standard. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration based on iodine consumption in a pyridine-methanol solvent system. |
| Acid Value | Acid-Base Titration with NaOH | Determines free carboxylic acid impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Heavy Metals | ICP-OES | Quantifies trace metal contaminants (e.g., Pb, Cd, Hg, As) by atomic emission spectroscopy following acid digestion. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity against standard reference under controlled lighting conditions. |
| Refractive Index | Refractometry | Measures light bending angle in the sample at specified temperature to assess purity and consistency. |
| Density | Oscillating U-tube Densitometry | Determines mass per unit volume based on resonant frequency of a filled U-shaped tube. |
| Boiling Range | Distillation (Micro Method) | Evaluates volatility profile by measuring initial and final boiling points under reduced pressure. |
| Color (APHA) | Spectrophotometric Colorimetry | Compares sample absorbance at 430 nm to platinum-cobalt standards for yellowness index. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Detects and quantifies volatile organic solvents (e.g., ethanol, acetone) using thermal equilibrium sampling and GC-FID. |
Technical Specifications of ethyl pent-4-ynoate
| Test Item | Specification |
|---|---|
| Appearance | Pale-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) | 1.420–1.430 |
| Relative Density (20°C/25°C) | 0.910–0.930 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 ethyl pent-4-ynoate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of ethyl pent-4-ynoate
Packaging of ethyl pent-4-ynoate
Industrial ethyl pent-4-ynoate 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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