1-BROMO-2-PENTYNE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 16400-32-1 |
| Product name | 1-BROMO-2-PENTYNE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty 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 1-BROMO-2-PENTYNE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-BROMO-2-PENTYNE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-BROMO-2-PENTYNE
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Intermediate for constructing complex molecules containing alkyne groups | Used in nucleophilic substitution and coupling reactions (e.g., Sonogashira coupling) |
| Pharmaceutical R&D | Structural building block for synthesizing antibacterial and antitumor active compounds | Applied for alkyne group introduction in multistep organic synthesis |
| Agrochemical R&D | Preparation of bioactive alkyne-based agrochemicals | Employed as an alkynylating reagent in heterocycle construction |
| Materials Science | Monomer for functionalized polymers and liquid crystal materials | Undergoes condensation or addition polymerization with diols or diamines |
Manufacturing Quality Control of 1-BROMO-2-PENTYNE
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity Analysis | Gas Chromatography (GC) | Uses capillary columns to separate sample components, with a Flame Ionization Detector (FID) quantifying the main component and impurities, thereby assessing product purity. Suitable for volatile organic compounds, offering high sensitivity and good reproducibility. |
| Structure Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | Analyzes chemical shifts and coupling patterns of ¹H and ¹³C nuclei to confirm molecular structure and functional group positions. Considered the gold standard for structural elucidation. |
| Impurity Identification | Gas Chromatography-Mass Spectrometry (GC-MS) | Combines GC separation with mass spectrometry fragmentation analysis, enabling identification of unknown impurities. Particularly effective for trace by-products or degradation products. |
| Moisture Content | Karl Fischer Titration | Measures trace moisture using coulometric or volumetric methods. Highly sensitive to stability issues in halogenated alkynes; strict moisture control is essential to prevent hydrolysis. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Heats the sample to volatilize residual solvents into the gas phase, followed by GC separation and detection. Ideal for quantitative analysis of volatile organic solvents such as diethyl ether and dichloromethane. |
| Appearance and Color | Visual Colorimetry | Observes sample appearance (clarity, color) under standardized lighting conditions and compares with reference color standards to preliminarily assess oxidation or decomposition products. |
| Density | Density Meter Method / Specific Gravity Bottle Method | Measures liquid density at a specified temperature (e.g., 20°C) as an auxiliary quality parameter; abnormal values may indicate adulteration or synthetic anomalies. |
| Refractive Index | Abbe Refractometer Method | Determines refractive index at a specific wavelength and temperature, used for rapid consistency verification, often compared with reference standards. |
| Alkyne Activity Verification | Silver Nitrate Alcohol Test | Utilizes the formation of a white silver acetylide precipitate when terminal alkynes react with Ag⁺ ions. Since 1-bromo-2-pentyne is not a terminal alkyne, this test can be used to rule out terminal alkyne impurities. |
Technical Specifications of 1-BROMO-2-PENTYNE
| Test Item | Specification |
|---|---|
| Appearance | Colorless to Light yellow clear liquid |
| Purity | ≥97.0% |
| Relative density at 25°C | 1.320~1.450 |
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 1-BROMO-2-PENTYNE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-BROMO-2-PENTYNE
Packaging of 1-BROMO-2-PENTYNE
Industrial 1-BROMO-2-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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