4-Pentyn-1-ol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5390-04-5 |
| Product name | 4-Pentyn-1-ol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeCosmetic GradeFood 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-Pentyn-1-ol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Pentyn-1-ol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Pentyn-1-ol
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Organic synthesis intermediate for producing other organic compounds | Prepared via hydroxylation of alkynes or hydroxylation of alkenes |
| Fine Fragrance Industry | Synthesis of fragrance ingredients | Generated through specific esterification or reduction reactions to yield odor-specific compounds |
| Pharmaceutical R&D | Synthesis of pharmaceutical intermediates | Used as a structural building block in multi-step organic synthesis of drug molecules |
| Materials Science | Monomer for synthesizing polymeric materials | Incorporated into polymer chains via polymerization to enhance material properties |
Manufacturing Quality Control of 4-Pentyn-1-ol
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity (Main Component Content) | Gas Chromatography (GC) | Utilizes capillary columns (e.g., DB-5 or HP-INNOWAX) with FID detection; quantifies main component content via external standard or internal standard method. Suitable for separating and determining 4-pentyne-1-ol and its common impurities (e.g., unreacted raw materials, by-products). |
| Moisture Content | Karl Fischer Titration | Employs iodine-sulfur dioxide-pyridine-methanol system to react quantitatively with water, measured by coulometric or volumetric methods. Complies with ISO 760 or ASTM E203 standards, suitable for controlling residual solvent levels in the process. |
| Appearance and Color | Visual Colorimetry / Colorimeter | Measured according to APHA or Pt-Co color scale using a colorimeter or visual comparison tubes. Ensures clarity and absence of obvious turbidity or dark impurities, meeting industrial-grade or reagent-grade appearance requirements. |
| Acid Value / Base Value | Titration Method (Acid-Base Titration) | Titrate free acid in the sample with standardized sodium hydroxide solution, or titrate free base with standardized hydrochloric acid; calculate acid value (mg KOH/g) or base value to control acidic impurities formed due to oxidation or hydrolysis. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, AAS or ICP-MS is used to determine lead, cadmium, mercury, arsenic, and other heavy metals. Meets ICH Q3D or USP <232> limit requirements, applicable for pharmaceutical-grade raw material control. |
| Volatile Impurities | Gas Chromatography-Mass Spectrometry (GC-MS) | Sample analyzed via headspace or direct injection; GC-MS identifies and quantifies potential low molecular weight volatile organic impurities (e.g., acetylene, acetone, alcohol isomers), ensuring process cleanliness. |
| Melting Point / Boiling Point | Melting Point Apparatus / Boiling Point Determination Unit | Uses digital melting point apparatus to measure melting point (for solid pure products); since 4-pentyne-1-ol is liquid, boiling point is typically determined. Boiling range is approximately 135–138°C (literature value), used for preliminary identification and purity assessment. |
| Refractive Index | Refractometry | Determined using a digital refractometer at 20°C or 25°C; refractive index (nD20 ≈ 1.455–1.460) serves as a physical constant for batch-to-batch consistency comparison. |
| Chloride/Sulfate Impurities | Turbidimetry (Precipitation Turbidimetry) | After treatment with silver nitrate or barium chloride, precipitates are formed and compared visually or instrumentally with standard solutions to assess Cl⁻ or SO₄²⁻ levels against pharmacopeial or industrial standard limits (e.g., USP <61>). |
| Content Uniformity (Liquid) | HPLC (Reverse-phase C18 column) | Applicable for high-precision quantitative analysis, especially for verifying concentration uniformity after multiple batches are mixed or diluted. Mobile phase commonly uses methanol-water gradient elution, with UV detector (210–220 nm) for detection. |
Technical Specifications of 4-Pentyn-1-ol
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow liquid |
| Purity | ≥98.0% |
| Water | ≤1.0% |
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-Pentyn-1-ol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Pentyn-1-ol
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Industrial 4-Pentyn-1-ol 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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