China Factory Direct
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| CAS number | 90-94-8 |
| Product name | Michler's ketone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeElectronic GradeReagent 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Organic synthesis intermediate | Used in the synthesis of fluorescent dyes, photosensitizers, and functional materials |
| Optoelectronic Materials | Luminescent material additive | Applied as a fluorophore or energy transfer medium in organic light-emitting diodes (OLEDs) |
| Photosensitive Materials | Component of photopolymerizable resins | Used as a photoinitiator or photosensitizer to promote polymerization under UV irradiation |
| Polymeric Materials | UV stabilizer | Incorporated into plastics or coatings to enhance ultraviolet resistance |
| Analytical Chemistry | Fluorescent probe | Employed for detection and analysis of biological or environmental samples, leveraging its strong fluorescence |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Appearance | Visual Inspection | Assessment of physical state and color against established visual standards under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| Loss on Drying | Gravimetric Thermogravimetry | Measurement of mass loss after drying at 105 C for 2 hours, indicating volatile content including residual solvents and moisture. |
| Residual Solvents | GC-FID | Separation and quantification of common organic solvents (e.g., methanol, acetone, DMF) using gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and other regulated metals after acid digestion, based on atomic emission intensity. |
| Chloride Impurity | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally similar impurities using diode-array detection and retention time matching with reference standards. |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical determination of water via iodine generation and stoichiometric reaction with sample water in anhydrous medium. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized KOH ethanol solution, using phenolphthalein indicator or potentiometric endpoint. |
| Bulk Density | Graduated Cylinder Method | Mass per unit volume measured by tapping a known mass into a calibrated cylinder per ASTM D1895. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered light intensity from dispersed particles to calculate size distribution based on Mie theory. |
| Test Item | Specification |
|---|---|
| Appearance | Gray solid |
| Purity | >=98.5% (HPLC) |
| Melting Point | 108–112°C |
| Total Impurities | <=1.5% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.