Estradiene dione-3-keta Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5571-36-8 |
| Product name | Estradiene dione-3-keta |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 Estradiene dione-3-keta
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Estradiene dione-3-keta Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Estradiene dione-3-keta
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Introduction of functional groups into drug molecules | Reaction with corresponding aldehydes or ketones in organic solvents to form the desired ketal structure |
| Agrochemical Intermediates | Synthesis of pesticidal compounds with specific biological activity | Incorporation of 3-ketal as a key intermediate into the target molecular structure via multi-step synthesis |
Manufacturing Quality Control of Estradiene dione-3-keta
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 3-ketone content by retention time and peak area comparison against a certified reference standard. |
| Water Content | Karl Fischer Titration | Determines water via coulometric or volumetric titration using iodine generation and stoichiometric reaction with water. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH | Measures acidic impurities by neutralization with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Color | APHA Color Scale (Visual or Spectrophotometric) | Compares sample color to platinum-cobalt standards; quantified as APHA units using spectrophotometric absorbance at 455 nm. |
| Density | Digital Density Meter (Oscillating U-tube) | Determines density from the resonant frequency shift of a vibrating U-shaped tube filled with sample. |
| Refractive Index | Refractometry (Abbe Refractometer) | Measures refractive index based on critical angle of total internal reflection at the prism-sample interface. |
| Residue on Evaporation | Gravimetric Analysis | Determines non-volatile residue after controlled evaporation of a known sample mass under specified temperature and vacuum conditions. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metals by atomization in a flame or graphite furnace and measurement of absorption at characteristic wavelengths. |
| Chloride Content | Potentiometric Titration with AgNO3 | Detects chloride ions via precipitation titration with silver nitrate, using a silver indicator electrode for endpoint detection. |
| Non-Volatile Matter | Gravimetric Analysis | Measures insoluble particulates after filtration, drying, and weighing of retained residue from a defined sample volume. |
| Distillation Range | Simple Distillation with Temperature Monitoring | Determines boiling point distribution by measuring initial and final boiling temperatures under controlled atmospheric pressure. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light caused by chiral compounds in solution, reported as degrees per dm/g/mL. |
Technical Specifications of Estradiene dione-3-keta
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 78–82°C |
| Identification (NMR) | Consistent with structure |
| Odor | Characteristic, mild |
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 Estradiene dione-3-keta
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Estradiene dione-3-keta
Packaging of Estradiene dione-3-keta
Industrial Estradiene dione-3-keta 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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