(-)-Epigallocatechin gallate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 989-51-5 |
| Product name | (-)-Epigallocatechin gallate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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) |
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Documents We Provide for (-)-Epigallocatechin gallate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (-)-Epigallocatechin gallate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (-)-Epigallocatechin gallate
| Industry | Application | Process |
|---|---|---|
| Food Industry | Antioxidant to extend shelf life of food products | Added to beverages, oils, and baked goods via mixing and homogenization |
| Pharmaceutical Industry | Active ingredient with antioxidant, anti-inflammatory, and antitumor properties | Used in formulation development; oral or injectable dosage forms prepared following extraction and purification |
| Cosmetics Industry | Anti-aging and antioxidant skincare ingredient | Added to creams and serums and formulated into stable products via emulsification |
| Nutritional Supplements | Immune support and metabolic regulation | Manufactured as capsules or tablets via milling, blending, and compression/filling |
| Agriculture | Natural plant-derived pesticide additive | Formulated in combination with other bioactive substances and applied via foliar spray or soil treatment |
Manufacturing Quality Control of (-)-Epigallocatechin gallate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 270-280 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-DAD or HPLC-MS | Separation and identification of structurally related impurities (e.g., EGCG isomers, degradation products) using gradient elution and spectral/mass confirmation. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify residual solvents (e.g., methanol, acetone, ethyl acetate) per ICH Q3C guidelines. |
| Heavy Metals | ICP-MS | Multi-element quantification of Pb, Cd, As, Hg, and Ni after acid digestion, with detection at sub-pptr levels. |
| Loss on Drying | Gravimetric (105 C oven drying) | Mass loss measured after drying sample at 105 C to constant weight, indicating volatile content including water and residual solvents. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to specifically determine total water content. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light at 20 C using sodium D-line (589 nm) to confirm chiral integrity and enantiomeric purity. |
| Residue on Ignition | Gravimetric (sulfated ash) | Mass of inorganic residue remaining after high-temperature incineration (600-700 C) following sulfuric acid treatment. |
| Microbial Limits | Membrane Filtration + Culture | Enumeration of aerobic mesophilic bacteria, yeasts, molds, and absence testing for specified pathogens (e.g., E. coli, Salmonella) per USP <61> and <62>. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample to determine D10, D50, D90 values based on light scattering intensity vs. particle size. |
| pH of Aqueous Solution | Potentiometric pH Measurement | pH determination of a defined aqueous suspension (e.g., 1% w/v) using calibrated glass electrode and temperature-compensated meter. |
| Organic Volatile Impurities (OVI) | GC-FID with Internal Standard | Targeted quantification of specified genotoxic solvents (e.g., chloroform, benzene) using internal standard calibration and validated headspace method. |
Technical Specifications of (-)-Epigallocatechin gallate
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (HPLC) |
| Optical Rotation | -185° to -175° (c=1, in methanol) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 (-)-Epigallocatechin gallate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (-)-Epigallocatechin gallate
Packaging of (-)-Epigallocatechin gallate
Industrial (-)-Epigallocatechin gallate 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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