2,4-Dihydroxybenzophenone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 131-56-6 |
| Product name | 2,4-Dihydroxybenzophenone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 2,4-Dihydroxybenzophenone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,4-Dihydroxybenzophenone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,4-Dihydroxybenzophenone
| Industry | Application | Processing |
|---|---|---|
| Plastics Industry | UV absorber for polypropylene, polyethylene, polyvinyl chloride, and other plastic products to prevent photodegradation | Blended with the resin prior to polymer melt extrusion or injection molding at a dosage of 0.1–0.5 wt% |
| Coatings & Inks | Photostabilizer to enhance weather resistance and anti-yellowing performance of automotive coatings, wood coatings, and industrial protective coatings | Incorporated during the grinding and dispersion stage of coating formulation, used synergistically with titanium dioxide and resin systems |
| Cosmetics | Sunscreen agent (UV-B absorber) for personal care products including sunscreens, lipsticks, and lotions | Dissolved in the oil phase, then homogenized into the emulsification system; final concentration typically ranges from 0.5–5.0% (w/w), compliant with cosmetic regulatory limits in respective jurisdictions |
| Adhesives | Enhances UV stability to prevent aging and embrittlement of adhesive layers | Added during adhesive compounding into acrylic or polyurethane adhesive systems at a dosage of 0.2–1.0% |
| Synthetic Fibers | Spinning additive for synthetic fibers such as polyester and nylon to impart UV resistance | Introduced as masterbatch (10–20% concentration) into chips, followed by melt spinning to produce functional fibers |
Manufacturing Quality Control of 2,4-Dihydroxybenzophenone
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 220-280 nm, comparing peak area to a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color against a white background under controlled lighting; acceptable as off-white to light yellow crystalline powder. |
| 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 (Oven Drying) | Measurement of mass loss after drying at 105 C for 2 hours; reflects volatile impurities and residual solvents. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Mass of inorganic residue remaining after ignition at 600-700 C; indicates inorganic impurities. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals | AAS (Flame or Graphite Furnace) | Quantification of Pb, Cd, Hg, As, and other regulated metals by atomic absorption spectroscopy after acid digestion. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using HPLC with diode-array detection and reference standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to determine trace water content. |
| Organic Volatile Impurities | GC-FID | Detection and quantification of residual solvents (e.g., methanol, acetone, toluene) using gas chromatography with flame ionization detection. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution in dry or wet dispersion using laser scattering principle per ISO 13320. |
Technical Specifications of 2,4-Dihydroxybenzophenone
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 62–65°C |
| Total Impurities | <=2.0% |
| 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 2,4-Dihydroxybenzophenone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,4-Dihydroxybenzophenone
Packaging of 2,4-Dihydroxybenzophenone
Industrial 2,4-Dihydroxybenzophenone 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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