4392-24-9 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4392-24-9 |
| Product name | 4392-24-9 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeCosmetic GradeFood Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| 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 4392-24-9
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4392-24-9 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4392-24-9
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Bromination via Grignard or substitution reactions |
| Fine fragrances | Preparation of fragrance compounds | Substitution or coupling reactions to construct specific molecular frameworks |
| Materials | Production of functionalized polymer monomers | Polymerization or grafting reactions involving bromocinnamyl moieties |
| Pesticides | Manufacture of pesticide active ingredients | Use as a brominated aromatic compound in key synthetic steps |
Manufacturing Quality Control of 4392-24-9
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against a certified reference standard using a calibrated column and carrier gas. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in an anhydrous methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Sample is incinerated at 700-800 C, and the non-volatile inorganic residue is weighed after cooling in a desiccator. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities (e.g., HBr, brominated acids) using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Measurement of yellowness intensity by comparing sample color to APHA platinum-cobalt standards or measuring absorbance at 430 nm. |
| Density at 20 C | Digital Density Meter | Determination via oscillating U-tube principle where sample density is calculated from the resonant frequency shift of a filled glass tube. |
| Refractive Index at 20 C | Refractometry | Measurement of light bending angle at air-sample interface using a calibrated Abbe refractometer or digital equivalent. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion, based on element-specific atomic emission intensities in high-temperature plasma. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions on an anion-exchange column with suppressed conductivity detection. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile organic impurities are extracted into headspace vapor and analyzed using GC-FID or GC-MS. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually as solid-to-liquid phase change under controlled heating rate. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating chiral purity and enantiomeric excess. |
Technical Specifications of 4392-24-9
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 28–32°C |
| Identification (NMR) | Consistent with structure |
| 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 4392-24-9
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4392-24-9
Packaging of 4392-24-9
Industrial 4392-24-9 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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