China Factory Direct
|
|
| CAS number | 20816-79-9 |
| Product name | 1-Bromo-8-chloronaphthalene |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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) |
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 |
|---|---|---|
| Pharmaceutical Industry | Synthetic intermediate | Used in bromination or chlorination steps for synthesizing specific pharmaceuticals |
| Pesticide Industry | Intermediate for insecticide or herbicide synthesis | Bromine and chlorine groups introduced via substitution reactions |
| Materials Science | Preparation of functional or liquid crystal materials | Used as a structural modification reagent for liquid crystal molecules |
| Chemical Research | Organic synthesis research | Applied in bromine/chlorine substitution reactions to construct complex organic molecules |
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and visible impurities under natural light or standard illumination; it should appear as a white to off-white crystalline powder. |
| Melting Point | Capillary Melting Point Determination | Determine the melting temperature range using a melting point apparatus or Thiele tube method, comparing with the reference value (approximately 68–70 °C) to assess purity. |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol-water or acetonitrile-water as mobile phase, and UV detection (e.g., 254 nm) for quantitative analysis of the main component, calculated via external standard method. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Same conditions as content determination or gradient elution program; separate and detect potential organic impurities (e.g., unreacted raw materials, by-products), quantified by area normalization or correction factor methods. |
| Residual Solvents | Gas Chromatography (GC) | Use headspace injection or direct injection with polar or non-polar capillary columns and FID detection to measure residual organic solvents (e.g., dichloromethane, toluene) from manufacturing processes. |
| Loss on Drying | Thermogravimetric Analysis or Oven Drying Method | Dry the sample at a specified temperature (e.g., 105 °C) until constant weight, calculate the percentage of mass loss to assess moisture and volatile substance content. |
| Residue on Ignition | High-Temperature Incineration Method | Char the sample, then ignite at high temperature (typically 700–800 °C) in a muffle furnace until constant weight. Weigh the residual inorganic matter to control total inorganic impurity levels. |
| Halogen Content | Elemental Analysis or Ion Chromatography | Determine bromine and chlorine content using an elemental analyzer, or after oxygen flask combustion followed by ion chromatography to detect halide ions, verifying molecular composition consistency. |
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 62–66°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Heavy Metals | <=10 ppm |
|
|
|
| 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.