4,4'-DIMETHYLBENZOIN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1218-89-9 |
| Product name | 4,4'-DIMETHYLBENZOIN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/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 4,4'-DIMETHYLBENZOIN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-DIMETHYLBENZOIN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-DIMETHYLBENZOIN
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Intermediate in the synthesis of antitumor agents (e.g., etoposide derivatives) and antimicrobial agents | Introduces functional groups via multi-step organic synthesis, including nitration, reduction, and diazotization |
| Agrochemical Intermediates | Used in the preparation of fungicides and plant growth regulators | Serves as a key structural building block for heterocycle construction, e.g., condensation with thiocyanates to prepare thiazole derivatives |
| Photoinitiators | Free-radical photoinitiator for UV-curable coatings, inks, and adhesives | Undergoes α-cleavage upon UV irradiation to generate benzoyl and benzyl radicals, initiating polymerization of acrylate monomers |
| Organic Synthesis Reagents | Pre-cursor to chiral ligands or structural template for asymmetric catalytic reactions | After chiral resolution or derivatization, employed in palladium- or rhodium-catalyzed C–C coupling reactions or asymmetric hydrogenation |
Manufacturing Quality Control of 4,4'-DIMETHYLBENZOIN
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantitative determination using reverse-phase HPLC and UV absorbance at 254 nm, calibrated against certified reference standard. |
| Appearance | Visual inspection | Assessment of physical state and color by observation under controlled white light against defined standards. |
| Melting Point | Capillary melting point apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary method per USP <741>. |
| Loss on Drying | Gravimetric thermogravimetry | Measurement of mass loss after drying at 105 C for 2 h, indicating volatile impurities or residual solvents. |
| Residue on Ignition | Sulfated ash gravimetry | Quantification of inorganic residue after controlled charring and sulfuric acid treatment followed by incineration at 600 C. |
| Chloride Impurity | Ion chromatography (IC) | Separation and quantitation of chloride anions using suppressed conductivity detection with carbonate/bicarbonate eluent. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and other regulated metals after acid digestion and plasma emission measurement. |
| Related Substances | HPLC with gradient UV detection | Identification and quantitation of structurally related impurities using validated gradient HPLC method with UV detection. |
| Water Content | Karl Fischer titration | Volumetric determination of water based on stoichiometric reaction with iodine in pyridine/methanol medium. |
| Organic Volatile Impurities | GC-FID | Separation and quantitation of residual solvents (e.g., methanol, toluene) using capillary GC with flame ionization detection. |
| Acid Value | Acid-base titration | Determination of free carboxylic acid content by titration with standardized KOH solution using phenolphthalein indicator. |
| Particle Size Distribution | Laser diffraction | Measurement of size distribution of dry powder using Mie scattering theory and automated dispersion system. |
Technical Specifications of 4,4'-DIMETHYLBENZOIN
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 148–152°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to structure |
| Identification (IR) | Conforms to reference spectrum |
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 4,4'-DIMETHYLBENZOIN
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-DIMETHYLBENZOIN
Packaging of 4,4'-DIMETHYLBENZOIN
Industrial 4,4'-DIMETHYLBENZOIN 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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