China Factory Direct
|
|
| CAS number | 86-20-4 |
| Product name | 9-Ethyl-3-nitrocarbazole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/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 | Intermediate | Used in the synthesis of certain pharmaceuticals or pharmaceutical intermediates |
| Dye Industry | Intermediate | Applied in the manufacture of specific dye types |
| Pesticide Industry | Intermediate | Used in synthesizing active ingredients in pesticides |
| Organic Synthesis | Synthesis of Other Compounds | Serves as a raw material in the construction of complex organic molecules |
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state, and presence of impurities under natural or standard lighting. 3-Nitro-N-ethylcarbazole is typically a yellow to orange crystalline powder. |
| Melting Point | Capillary Melting Point Determination | Determine the melting temperature range using a melting point apparatus or Thiele tube method to assess purity and consistency. The typical melting point range is approximately 120–125 °C (exact values may vary slightly depending on literature). |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with methanol/water or acetonitrile/water as the mobile phase, and a UV detector (e.g., at 254 nm or set according to the maximum absorption wavelength) to quantify the main component and evaluate product purity. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Using the same conditions as for assay or a gradient elution program, separate and detect potential by-products from synthesis (e.g., unreacted starting materials, isomers, degradation products). Calculate total impurities and individual impurity limits using area normalization or correction factor methods. |
| Loss on Drying | Weight Loss upon Drying | Dry the sample at a specified temperature (e.g., 105 °C) until constant weight is achieved, then determine the percentage weight loss to reflect moisture and volatile content. |
| Sulfated Ash / Residue on Ignition | High-Temperature Ashing | After carbonization, incinerate the sample in a high-temperature furnace at 700–800 °C and weigh the residual inorganic matter to control levels of inorganic impurities (e.g., metal salts). |
| Infrared Identification | Fourier Transform Infrared Spectroscopy (FT-IR) | Acquire IR spectrum using KBr pellet technique or ATR mode, and compare characteristic absorption peaks (e.g., nitro group ~1520 cm⁻¹ and ~1350 cm⁻¹, N–C stretching vibrations) with reference spectrum to confirm molecular structure. |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Nuclear Magnetic Resonance (NMR) Spectroscopy | Dissolve the sample in deuterated solvents such as CDCl₃, record the ¹H NMR spectrum, and verify molecular structure and purity based on chemical shifts, integration areas, and coupling constants. |
| Test Item | Specification |
|---|---|
| Appearance | Pale yellow crystalline solid |
| Purity | >=98.5% |
| Melting Point | 124-127°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 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.