ALPHA-BROMOSTYRENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 98-81-7 |
| Product name | ALPHA-BROMOSTYRENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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 ALPHA-BROMOSTYRENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk ALPHA-BROMOSTYRENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of ALPHA-BROMOSTYRENE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Synthesis of benzene ring structures in drug molecules | Introduction of substituents via reaction with organometallic reagents, followed by subsequent transformations |
| Materials Science | Preparation of polymer monomers | Used as a comonomer in free-radical polymerization |
| Agrochemical Intermediates | Production of agrochemical compounds | Bromination to introduce bromine atoms, enabling further synthesis of active functional groups |
Manufacturing Quality Control of ALPHA-BROMOSTYRENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies alpha-bromostyrene peak area relative to a calibrated standard using retention time and response factor. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration with iodine-based reagent; reaction stoichiometry determines water mass. |
| Acid Value | Acid-Base Titration with NaOH | Neutralizes acidic impurities (e.g., HBr) using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Evaporation | Gravimetric Analysis | Evaporates a known sample mass under controlled conditions and weighs non-volatile residue. |
| Color | Visual Comparison or Spectrophotometry (APHA/Pt-Co Scale) | Compares sample color to platinum-cobalt standards or measures absorbance at 455 nm in dilute solution. |
| Refractive Index | Refractometry | Determines ratio of light velocity in air vs. sample at specified temperature using a calibrated refractometer. |
| Specific Gravity | Pycnometry or Digital Density Meter | Measures mass per unit volume relative to water at 20/20 degC using calibrated glass pycnometer or oscillating U-tube. |
| Unsaturated Impurities (e.g., styrene, bromostyrene isomers) | Gas Chromatography-Mass Spectrometry (GC-MS) | Separates and identifies volatile impurities by retention time and characteristic mass fragmentation patterns. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Atomizes sample in flame or graphite furnace and measures absorption of element-specific wavelength light. |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration | Separates and quantifies chloride ions via conductivity detection (IC) or silver nitrate titration with Ag electrode endpoint. |
| Aldehyde Impurities (e.g., benzaldehyde) | Derivatization GC-FID or UV-Vis after DNPH reaction | Converts aldehydes to hydrazones, then quantifies derivatives by GC or measures absorbance at ~360 nm. |
| Peroxide Value | Iodometric Titration | Releases iodine from potassium iodide by peroxides; titrates liberated iodine with standardized sodium thiosulfate. |
Technical Specifications of ALPHA-BROMOSTYRENE
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.576–1.580 |
| Relative Density (20°C/25°C) | 1.175–1.185 g/cm³ |
| Odor | Characteristic aromatic 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 ALPHA-BROMOSTYRENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of ALPHA-BROMOSTYRENE
Packaging of ALPHA-BROMOSTYRENE
Industrial ALPHA-BROMOSTYRENE 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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