Dibenzoylmethane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 120-46-7 |
| Product name | Dibenzoylmethane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Dibenzoylmethane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dibenzoylmethane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dibenzoylmethane
| Industry | Application | Process |
|---|---|---|
| Plastics Industry | PVC heat stabilizer (β-diketone auxiliary stabilizer) | Used in combination with primary stabilizers such as Ca/Zn or Ba/Zn systems to prevent thermal degradation and discoloration of PVC during processing, via allylic chlorine substitution or HCl scavenging. |
| Cosmetics Industry | UV absorber (UVB filter) | Incorporated into sunscreen formulations to absorb UVB radiation (280–320 nm) through intramolecular keto-enol tautomerism, thereby protecting skin from UV-induced damage. |
| Pharmaceutical Chemicals | Pharmaceutical intermediate | Serves as a key synthetic building block for constructing molecular frameworks of antifungal agents (e.g., triazole derivatives), nonsteroidal anti-inflammatory drugs, and certain anticancer agents. |
| Fine Chemicals | Intermediate for novel functional materials | Applied in synthesizing organic optoelectronic materials exhibiting photochromism, luminescence, or electrochromism; also used to construct ligand structures for rare-earth metal extractants. |
| Analytical Chemistry | Metal ion chelating agent | Employed as a colorimetric reagent or chelating agent in spectrophotometric or fluorometric analysis for detection and quantitative determination of metal ions including rare-earth elements, aluminum, and iron. |
Manufacturing Quality Control of Dibenzoylmethane
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Purity and Assay | High-Performance Liquid Chromatography (HPLC) | Using a C18 column with methanol-water or acetonitrile-water as the mobile phase, and a UV detector (λ = 245–260 nm) for quantitative analysis. This method is sensitive and accurate, suitable for determining DBM content in raw materials and formulations. |
| Melting Point Determination | Capillary Melting Point Apparatus | In accordance with the general rules of the Chinese Pharmacopoeia, sample is packed into a capillary tube and heated gradually; the melting range is recorded (DBM melts at approximately 108–111°C), used for preliminary identification and purity assessment. |
| UV-Visible Absorption Spectroscopy | UV-Visible Spectrophotometry (UV-Vis) | Dissolve the sample in ethanol or methanol and measure the maximum absorption peak at 245–260 nm (ε ≈ 1.5×10⁴ L·mol⁻¹·cm⁻¹), used for qualitative confirmation and rapid concentration estimation. |
| Moisture Content | Karl Fischer Titration | Measures trace moisture in samples using coulometric or volumetric methods to ensure DBM remains free from hygroscopic degradation during storage and use, meeting pharmaceutical or food-grade standards (typically ≤0.5%). |
| Impurity Testing (Organic Impurities) | Thin-Layer Chromatography (TLC) or HPLC-MS | TLC uses silica gel plates with developing solvents such as toluene:ethyl acetate (8:2), and vanillin-sulfuric acid as visualizing reagent; HPLC-MS can separate and identify structurally related impurities (e.g., benzoylacetone, benzophenone). |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After ashing or acid digestion of the sample, levels of heavy metals such as lead, cadmium, mercury, and arsenic are determined, complying with standards for pharmaceutical excipients or food additives (e.g., Pb ≤ 2 ppm). |
| Appearance and Color | Visual Inspection + Color Measurement | Observe crystal appearance (white to pale yellow crystalline powder); colorimeter may be used to measure yellowness index (YI) when necessary to ensure no discoloration due to oxidation or degradation. |
| Solubility Test | Shake Flask Method or Volumetric Method | Determine solubility of DBM in water, ethanol, acetone, ethyl acetate, etc., at 25°C, useful for process development and formulation design. DBM is slightly soluble in water and readily soluble in organic solvents. |
| Particle Size Distribution (if applicable) | Laser Diffraction or Microscopy | For powdered DBM used in formulations, measure D10, D50, and D90 particle sizes to ensure flowability and uniformity, meeting powder processing requirements. |
Technical Specifications of Dibenzoylmethane
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.5% (GC) |
| Melting Point | 76-79°C |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic mild odor |
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 Dibenzoylmethane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Dibenzoylmethane
Packaging of Dibenzoylmethane
Industrial Dibenzoylmethane 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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