Kaempferol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 520-18-3 |
| Product name | Kaempferol |
| 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 Kaempferol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Kaempferol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Kaempferol
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for antioxidant, anti-inflammatory, and antitumor drugs | Isolated and purified from plant extracts (e.g., onion, apple peel) or synthesized chemically (e.g., via demethylation of quercetin) |
| Food | Natural antioxidant and functional food additive | Extracted from plant sources (e.g., kaempferol-rich ginger, tomato), purified via solvent extraction and column chromatography, then incorporated into food products |
| Cosmetics | Anti-aging, skin-brightening, and UV-protective ingredient | Isolated from plant extracts and formulated into skincare products using microencapsulation or liposomal encapsulation |
| Agriculture | Botanical pesticide synergist and disease resistance inducer | Formulated with biopesticides and applied via foliar spray or soil treatment to enhance crop stress tolerance |
| Research | Reference standard for bioactivity studies and molecular probe | Prepared by high-purity crystallization (recrystallization) for use in cell-based assays, pharmacological studies, and metabolomics research |
Manufacturing Quality Control of Kaempferol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies kaempferol concentration using reverse-phase HPLC with UV detection at 365 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-DAD | Detects and quantifies structurally similar impurities (e.g., quercetin, galangin) by HPLC with diode-array detection and spectral comparison. |
| Loss on Drying | Gravimetric (Thermogravimetry) | Measures volatile content by weight loss after drying at 105 C for 2 hours under controlled atmospheric conditions. |
| Residue on Ignition | Sulfated Ash (Gravimetric) | Determines inorganic residue by incinerating sample at 600–700 C, then weighing the sulfate ash. |
| Heavy Metals (Total) | ICP-OES | Quantifies total heavy metals (Pb, Cd, As, Hg, Cr) after acid digestion using inductively coupled plasma optical emission spectrometry. |
| Lead (Pb) | GFAAS | Measures lead concentration via graphite furnace atomic absorption spectroscopy following microwave-assisted acid digestion. |
| Arsenic (As) | HG-AAS | Quantifies arsenic using hydride generation atomic absorption spectroscopy after reduction to arsine gas. |
| Sulfated Ash | Gravimetric | Same as Residue on Ignition; measures non-volatile inorganic impurities as sulfate ash after high-temperature ignition. |
| Solvent Residues | GC-FID | Detects and quantifies residual solvents (e.g., methanol, acetone, ethyl acetate) using gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines water content by coulometric or volumetric titration with iodine-based reagent reacting stoichiometrically with water. |
| pH of Aqueous Suspension | pH Meter | Measures hydrogen ion activity in a 1% w/v aqueous suspension using calibrated pH electrode. |
| Microbial Limits | Membrane Filtration + Culture | Detects aerobic bacteria, yeasts, molds, and specified pathogens (e.g., E. coli, Salmonella) by filtration, membrane transfer, and incubation on selective media. |
Technical Specifications of Kaempferol
| Test Item | Specification |
|---|---|
| Appearance | Yellow Solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 225–229 °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 Kaempferol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Kaempferol
Packaging of Kaempferol
Industrial Kaempferol 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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