α-Naphthoflavone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 604-59-1 |
| Product name | α-Naphthoflavone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent GradeFood GradeCosmetic 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) |
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Documents We Provide for α-Naphthoflavone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk α-Naphthoflavone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of α-Naphthoflavone
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Antioxidant | Used in the synthesis of pharmaceutical intermediates |
| Food additives | Natural antioxidant | Added to food products to extend shelf life |
| Cosmetics | Skin care ingredient | Applied in skin care formulations as an antioxidant |
| Pesticides | Insecticide intermediate | Raw material for synthesizing high-efficiency, low-toxicity insecticides |
| Chemical reagents | Laboratory research | Employed in organic synthesis reactions for research purposes |
Manufacturing Quality Control of α-Naphthoflavone
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Identification | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Utilizes the characteristic absorption peaks of α-naphthoflavone in specific solvents (e.g., methanol), typically around 260 nm and 330 nm. Identification is performed by comparing the sample spectrum with that of a reference standard. |
| Assay | High-Performance Liquid Chromatography (HPLC) | Employs a reversed-phase C18 column with methanol-water or acetonitrile-water as the mobile phase, and a UV detector (commonly set between 254–330 nm). Quantification is achieved by comparing retention time and peak area against a reference standard. |
| Purity Test | High-Performance Liquid Chromatography (HPLC) | Beyond assay conditions, peak purity analysis or normalization methods are used to evaluate total impurity peaks and individual impurity levels, determining whether the sample meets purity specifications. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Uses gradient elution to enhance separation, detecting organic impurities such as synthesis intermediates and degradation products. The total impurity level (excluding main peak) is typically required to be within specified limits (e.g., ≤2.0%). |
| Residual Solvents | Gas Chromatography (GC) | In accordance with ICH guidelines, detects residual organic solvents from manufacturing processes (e.g., methanol, ethanol, acetone, dichloromethane). Quantitative analysis is performed using headspace sampling with an FID detector. |
| Water Content | Karl Fischer Titration | Measures water content using coulometric or volumetric methods, suitable for controlling raw material dryness and assessing stability. |
| Melting Point | Melting Point Determination | Determines the melting temperature range using a melting point apparatus or capillary method. The melting point of α-naphthoflavone is generally between 95–98°C, used for preliminary identification and as an auxiliary indicator of purity. |
| Crystal Form Analysis | X-Ray Powder Diffraction (XRD) | Analyzes the crystal structure of solid samples to confirm the presence of polymorphism and ensure consistency of physical properties across batches. |
| Infrared Identification | Fourier Transform Infrared Spectroscopy (FTIR) | Confirms molecular structure by comparing sample spectra with reference spectra, focusing on characteristic functional group absorptions (e.g., C=O stretching vibration at ~1650 cm⁻¹, aromatic ring skeletal vibrations). |
Technical Specifications of α-Naphthoflavone
| Test Item | Specification |
|---|---|
| Appearance | Off-white powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 79–83°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 α-Naphthoflavone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of α-Naphthoflavone
Packaging of α-Naphthoflavone
Industrial α-Naphthoflavone 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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