Rhamnetin Bulk Supply for Industrial Use

China Factory Direct
CAS number 90-19-7
Product name Rhamnetin
Stock Stock readily available; annual supply capacity exceeding 1,000 tons.
Grade Reagent GradeFood GradeCosmetic 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)
Ordering Procedure & Service Assurance
Inquiry
Inquiry
Submit requirements
Quotation
Quotation
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Spec
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Verify quality
Order
Order
Secure deal
Delivery
Delivery
On-time
Spec Confirmation
Sample Testing
Contract Protection
QC Inspection
On-time Delivery

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FOB (Free On Board)
CIF (Cost, Insurance, Freight)
EXW (Ex Works)

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Sea Freight

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Based on current marketvolatility and material availability.

CAS No:90-19-7
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Documents We Provide for Rhamnetin

COA TDS SDS NMR MOA Certificate of Origin Transport Report TSCA Declaration Production Flow Chart
Pre-sale: Only COA, SDS and NMR are available.
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Rhamnetin Supplier from China

17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.

Industrial Applications of Rhamnetin

Industry Application Process
Pharmaceuticals Antioxidant, anti-inflammatory, and antitumor activity studies; potential drug development for cardiovascular diseases, diabetes, and neurodegenerative disorders Used as a lead compound in drug synthesis and structural modification; pharmacological activity screening conducted in vitro and in animal models
Cosmetics Skin antioxidant and anti-aging ingredient; tyrosinase inhibition for skin-lightening products Incorporated into emulsions, serums, and other formulations, typically at low concentrations (<1%) and co-formulated with other active ingredients
Food Natural flavonoid-based antioxidant; functional food additive research Isolated and purified from plant extracts (e.g., Sophora japonica buds, Rhamnus species) and added to dietary supplements or beverages
Research Tool for molecular biology and cell signaling pathway studies; used to elucidate the biological activity mechanisms of flavonoids Employed as a reference standard or reagent in laboratories for chromatographic analysis, enzyme activity assays, and cell-based experiments

Manufacturing Quality Control of Rhamnetin

Detection Item Common Analytical Method Method Overview
Assay (Purity) HPLC-UV Quantifies rhamnetin content by separation on a reversed-phase column and UV detection at ~370 nm.
Related Substances HPLC-DAD Identifies and quantifies structurally related impurities using diode-array detection for spectral confirmation.
Loss on Drying Gravimetric (105 C, 2 h) Measures volatile matter by weight loss after drying under standardized thermal conditions.
Residue on Ignition Sulfated Ash Gravimetry Determines inorganic residue after charring and sulfuric acid treatment followed by high-temperature ignition.
Heavy Metals (Total) ICP-OES Quantifies cumulative heavy metal content (e.g., Pb, Cd, Hg, As) via plasma emission spectroscopy after acid digestion.
Lead Graphite Furnace AAS Measures lead concentration using atomization in a graphite furnace and atomic absorption at 283.3 nm.
Arsenic Hydride Generation AAS Converts arsenic to arsine gas, then detects atomic absorption after quartz cell atomization.
Melting Point Capillary Melting Point Apparatus Determines temperature range at which solid rhamnetin transitions to liquid phase under controlled heating.
Solubility in Ethanol Visual Observation/USP <41> Assesses complete dissolution in specified ethanol concentration at defined temperature and time.
Water Content Karl Fischer Titration Quantifies water via iodometric titration with coulometric or volumetric reagents.
Particle Size Distribution Laser Diffraction Measures size distribution of dry powder using angular scattering pattern of laser light.
Microbial Limits Membrane Filtration & Culture Detects and enumerates aerobic mesophilic microorganisms per pharmacopeial compendia.

Technical Specifications of Rhamnetin

Test Item Specification
Appearance White to off-white crystalline powder
Purity >=98.5%
Melting Point 178-182°C
Water Content (KF) <=0.5%
Total Impurities <=1.5%
Single Impurity <=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

Download COA of Rhamnetin

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Safety Information of Rhamnetin

Pictograms
Signal Word Warning
Safety Data Sheet

Packaging of Rhamnetin

We have a diverse range of chemicals in stock. Available in Bagged goods (25 kg.),Big bags (500 kg.), Big bags (1000 kg.).

Industrial Rhamnetin 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.

Industrial
Use
Bulk
Supply
Factory
Direct
ISO 9001
Certified
Samples
Available
Stable
Supply