Diethylene Glycol Bis(2-propynyl) Ether Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 126422-57-9 |
| Product name | Diethylene Glycol Bis(2-propynyl) Ether |
| 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 Diethylene Glycol Bis(2-propynyl) Ether
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethylene Glycol Bis(2-propynyl) Ether Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Diethylene Glycol Bis(2-propynyl) Ether
| Industry | Application | Process |
|---|---|---|
| Biotechnology/Pharmaceuticals | Used as a crosslinker in click chemistry (e.g., CuAAC reactions) for biomolecule labeling, drug delivery systems, or hydrogel preparation | Enables covalent coupling via cycloaddition between alkyne and azide groups |
| Materials Science | Used to synthesize functionalized polymers or dendrimers for smart materials or nanostructures | Acts as a monomer or modification unit in polymerization reactions (e.g., free-radical polymerization, condensation polymerization) |
| Surface Chemistry | Used to modify gold, silver, and other metal surfaces to form self-assembled monolayers (SAMs) for sensors or electrode materials | Attaches to metal surfaces via coordination of the terminal alkyne group |
| Organic Synthesis | Used as a protecting group or intermediate in the synthesis of complex molecules (e.g., natural products) | Introduces specific structures through alkyne functional group transformations (e.g., oxidation, addition) |
Manufacturing Quality Control of Diethylene Glycol Bis(2-propynyl) Ether
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative separation and detection based on volatility and retention time relative to certified reference standard. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Acid Number | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Hydroxyl Value | Acetylation followed by NaOH Titration | Esterification of hydroxyl groups with acetic anhydride, then back-titration of unreacted anhydride. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Comparison of sample color intensity against platinum-cobalt standards or absorbance measurement at specified wavelength. |
| Density at 20 degC | Digital Density Meter (Oscillating U-tube) | Measurement of sample density based on resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index at 20 degC | Refractometry | Determination of refractive index by measuring angle of light refraction at air-sample interface. |
| Residue on Evaporation | Gravimetric Analysis | Evaporation of known sample mass under controlled temperature and pressure, followed by weighing of non-volatile residue. |
| Chloride Content | Ion Chromatography (IC) with Conductivity Detection | Separation of chloride ions on anion-exchange column and quantitative detection via electrical conductivity. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Atomization of sample in flame or graphite furnace and quantification of metal absorption at characteristic wavelength. |
| Unsaturated Impurities (Acetylenic) | UV-Vis Spectrophotometry at 190-220 nm | Quantification of pi-electron transitions in terminal alkyne groups via absorbance in far-UV region. |
| Residual Solvents (e.g., THF, MeOH) | Headspace Gas Chromatography (HS-GC) with FID | Thermal equilibration of sample in sealed vial followed by GC analysis of volatile solvents in headspace vapor. |
Technical Specifications of Diethylene Glycol Bis(2-propynyl) Ether
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.5% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.450–1.470 |
| Relative Density (20°C/25°C) | 1.02–1.06 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 Diethylene Glycol Bis(2-propynyl) Ether
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Diethylene Glycol Bis(2-propynyl) Ether
Safety Information of Diethylene Glycol Bis(2-propynyl) Ether
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Diethylene Glycol Bis(2-propynyl) Ether
Industrial Diethylene Glycol Bis(2-propynyl) Ether 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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