Emodin-3-methyl ether Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 521-61-9 |
| Product name | Emodin-3-methyl ether |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty GradeReagent GradeCosmetic GradeFood 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 Emodin-3-methyl ether
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Emodin-3-methyl ether Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Emodin-3-methyl ether
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Active pharmaceutical ingredient (API) for antimicrobial, anti-inflammatory, and antitumor agents | Extracted from plants or synthesized chemically |
| Agriculture | Plant growth regulator and fungicide | Formulation processing and field application via spraying |
| Personal Care & Cosmetics | Antioxidant and skin-lightening additive | Incorporated into formulations and processed via emulsification |
| Dyes & Pigments | Natural dye (yellow to brown) | Applied directly or used with mordants in dyeing processes |
| Research & Development | Bioactive molecule for cellular assays | Prepared as laboratory reference standards or analytical reagents |
Manufacturing Quality Control of Emodin-3-methyl ether
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of structurally similar impurities using gradient HPLC-UV, with identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify residual solvents (e.g., methanol, acetone, ethyl acetate) against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content based on stoichiometric reaction with water. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (Pb, Cd, As, Hg) after acid digestion, using isotope-dilution or external calibration for high sensitivity and accuracy. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700-800 C followed by sulfuric acid treatment and final weighing of inorganic residue as sulfate ash. |
| Particle Size Distribution | Laser Diffraction | Measurement of particle size distribution in dry or wet dispersion mode using Mie scattering theory and calibrated optical models. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, observed visually or via automated optical detection. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Weight loss measurement upon heating under controlled nitrogen atmosphere to quantify volatile components and moisture. |
| Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, indicating chiral purity and identity confirmation. |
| Microbial Limits | Membrane Filtration + Culture | Enumeration of aerobic mesophilic microorganisms and detection of specified pathogens (e.g., E. coli, S. aureus) per USP <61> and <62>. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | Determination of pH in a defined suspension (e.g., 1% w/v in water) using calibrated glass electrode and pH meter. |
Technical Specifications of Emodin-3-methyl ether
| Test Item | Specification |
|---|---|
| Appearance | Orange to reddish-brown crystalline powder |
| Purity | >=98.5% |
| Melting Point | 247–251°C |
| Total Impurities | <=1.5% |
| 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 Emodin-3-methyl ether
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Emodin-3-methyl ether
Industrial Emodin-3-methyl ether 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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