China Factory Direct
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| CAS number | 4648-54-8 |
| Product name | 4648-54-8 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | As an azidation reagent for synthesizing azide compounds | Azide group introduction via nucleophilic substitution of silanes |
| Pharmaceutical R&D | Synthesis of azide-containing pharmaceutical intermediates | Used as a coupling or functionalization reagent in organic synthesis |
| Polymer Materials | Preparation of functional polymeric materials | Functional group modification or crosslinking of polymers |
| Analytical Chemistry | As an analytical or labeling reagent | Labeling or detection of biomolecules |
| Chemical Research | Investigation of azide group reactivity | Experimental material for studying the chemical properties of azide groups |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Residual Solvents | Gas Chromatography (GC) with Headspace sampling | Volatile impurities are vaporized in sealed vials, injected into GC, and quantified via external calibration. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Sample is acid-digested and nebulized into high-temperature plasma; elemental emission intensities are measured at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Anions are separated on an ion-exchange column and detected by changes in electrical conductivity after suppression. |
| Acidity (as HCl) | Acid-Base Titration with Potentiometric Endpoint | Free acid content is determined by titration with standardized NaOH solution; endpoint detected by pH electrode potential inflection. |
| Color | Visual Comparison Against Hazen (APHA) Scale | Solution color is assessed by visual matching to platinum-cobalt standard solutions under controlled lighting conditions. |
| Density | Digital Density Meter (Oscillating U-tube) | Density is calculated from the resonant frequency of a U-shaped glass tube filled with sample at controlled temperature. |
| Refractive Index | Digital Refractometer | Determined by measuring the critical angle of total internal reflection of light passing through the sample at 20 degrees C. |
| Residue on Ignition | Gravimetric Analysis | Sample is ignited at 600 degrees C to remove organic matter; inorganic residue is weighed after cooling in desiccator. |
| Organosilicon By-products (e.g., hexamethyldisiloxane) | Gas Chromatography-Mass Spectrometry (GC-MS) | Separation by GC followed by electron ionization and mass spectral identification/quantification using selected ion monitoring. |
| Thermal Stability (Onset Decomposition Temperature) | Differential Scanning Calorimetry (DSC) | Heat flow difference between sample and reference is measured during controlled heating; onset temperature is determined from the extrapolated start of exothermic deviation. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless to light yellow clear liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
| Odor | Characteristic odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.