5-CYANO-1-PENTYNE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 14918-21-9 |
| Product name | 5-CYANO-1-PENTYNE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty 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 5-CYANO-1-PENTYNE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-CYANO-1-PENTYNE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-CYANO-1-PENTYNE
| Industry | Application | Process |
|---|---|---|
| Pesticides | Key intermediate for synthesizing pyrethroid insecticides (e.g., deltamethrin, cypermethrin) | Condenses with aldehydes, followed by cyclization and hydrolysis to prepare chrysanthemic acid derivatives |
| Pharmaceuticals | Used to synthesize cyanide-containing heterocyclic compounds as structural motifs in anticancer and antiviral agents | Participates in cycloaddition or nucleophilic addition reactions to construct nitrogen-containing heterocyclic frameworks (e.g., pyridine, pyrimidine) |
| Materials Science | Functional monomer for synthesizing high-performance cyanide-containing polymers (e.g., heat-resistant resins, liquid crystal materials) | Incorporated into polymer backbones or side chains via free-radical polymerization or condensation polymerization to enhance thermal stability and polarity |
Manufacturing Quality Control of 5-CYANO-1-PENTYNE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies acetylenedicarbonitrile content by separation and flame ionization detection relative to a certified reference standard. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration based on the stoichiometric reaction of iodine with water in pyridine/methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities remaining after controlled high-temperature combustion. |
| Acid Value | Acid-Base Titration with NaOH | Quantifies acidic impurities by titration with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Evaluates color intensity by comparison to APHA platinum-cobalt standards or measurement of absorbance at 430 nm. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Detects total heavy metals after wet digestion by measuring atomic absorption of lead-specific wavelength. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic residue after ignition with sulfuric acid pretreatment to convert metals to sulfates. |
| Volatile Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Identifies and quantifies low-boiling organic impurities via chromatographic separation and mass spectral detection. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Quantifies common solvents (e.g., acetone, methanol) by equilibrium partitioning into headspace followed by GC-FID analysis. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method per USP <741>. |
| Specific Optical Rotation | Polarimetry | Measures optical activity of chiral impurities or degradation products using sodium D-line light in a defined pathlength cell. |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration | Quantifies chloride ions either by anion exchange separation with conductivity detection or by silver nitrate titration with potentiometric endpoint. |
Technical Specifications of 5-CYANO-1-PENTYNE
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Refractive Index (n20/D) | 1.425–1.435 |
| Relative Density (20°C/25°C) | 0.825–0.835 g/cm³ |
| Odor | Characteristic pungent odor |
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 5-CYANO-1-PENTYNE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-CYANO-1-PENTYNE
Packaging of 5-CYANO-1-PENTYNE
Industrial 5-CYANO-1-PENTYNE 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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