4-Bromobenzocyclobutene Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1073-39-8 |
| Product name | 4-Bromobenzocyclobutene |
| 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 4-Bromobenzocyclobutene
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Bromobenzocyclobutene Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Bromobenzocyclobutene
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Synthetic intermediate | Used to prepare biologically active compounds; incorporated into the benzocyclobutene-based drug scaffold |
| Materials science | Synthesis of organic functional materials | Employed as a building block for conjugated structures in optoelectronic materials and polymeric materials |
| Agrochemical chemistry | Agrochemical intermediate | Involved in synthesizing brominated aromatic agrochemical active ingredients, enhancing compound stability and reactivity |
Manufacturing Quality Control of 4-Bromobenzocyclobutene
| 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. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile organic impurities are vaporized in sealed vials and quantified by GC-FID or GC-MS against calibration standards. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration where iodine generated coulometrically reacts stoichiometrically with water in the sample. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Sample digested in acid matrix; elemental emission intensities measured at characteristic wavelengths for semi-quantitative multi-element analysis. |
| Chloride Impurity | Ion Chromatography (IC) with conductivity detection | Separation of anions on an ion-exchange column followed by quantitative detection via suppressed conductivity. |
| Related Substances | High Performance Liquid Chromatography (HPLC) with UV detection | Separation on reversed-phase C18 column; detection at 254 nm to identify and quantify structurally related organic impurities. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature range at which solid phase converts to liquid. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of the neat substance under controlled white light against specified criteria. |
| Residue on Ignition | Gravimetric Analysis (Sulfated Ash) | Sample ignited at 700-800 C after sulfuric acid treatment; residual inorganic ash weighed as percentage of original sample. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution with phenolphthalein indicator. |
| Bulk Density | Tap Density Measurement | Mass per unit volume determined after controlled mechanical tapping of a known mass in a graduated cylinder. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity patterns to calculate size distribution based on Mie scattering theory. |
Technical Specifications of 4-Bromobenzocyclobutene
| Test Item | Specification |
|---|---|
| Appearance | Colorless Liquid |
| ldentification(NMR) | Conforms to structure |
| Purity | ≥95.0% |
| Total of impurities | Maximum 1.00 percent |
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 4-Bromobenzocyclobutene
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Bromobenzocyclobutene
Packaging of 4-Bromobenzocyclobutene
Industrial 4-Bromobenzocyclobutene 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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