DIMETHYL 4-HYDROXYPHTHALATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 22479-95-4 |
| Product name | DIMETHYL 4-HYDROXYPHTHALATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial 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 DIMETHYL 4-HYDROXYPHTHALATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk DIMETHYL 4-HYDROXYPHTHALATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of DIMETHYL 4-HYDROXYPHTHALATE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate for antitumor agents (e.g., etoposide derivatives) | Undergoes amidation with amines under basic conditions, or participates in multistep reactions—including reduction and cyclization—to construct the active molecular scaffold |
| Agrochemicals | Synthesis intermediate for fungicides and plant growth regulators | Participates in condensation reactions or serves as a benzene ring substituent to enhance target molecule inhibition against pathogens |
| Materials Science | Building block for liquid crystal monomers and functional polymers | Integrated into liquid crystal side chains via transesterification or coupling reactions to modulate mesophase temperature range and optical anisotropy |
Manufacturing Quality Control of DIMETHYL 4-HYDROXYPHTHALATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC with UV detection, relative to main peak response. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., methanol, dichloromethane). |
| Heavy Metals | ICP-MS | Multi-element trace metal analysis after acid digestion, providing detection at sub-pptr levels. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700-800 C followed by weighing of inorganic residue after sulfuric acid treatment. |
| Water Content | Karl Fischer Titration | Volumetric titration with iodine-based reagent to determine water content based on stoichiometric reaction. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary method. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting. |
| Acid Value | Acid-Base Titration | Titration with standardized potassium hydroxide solution to determine free carboxylic acid content. |
| Loss on Drying | Thermogravimetric Analysis | Weight loss measured after drying at 105 C for 2 hours under atmospheric pressure. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate volume-based particle size distribution. |
Technical Specifications of DIMETHYL 4-HYDROXYPHTHALATE
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 148–152°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Acid Value (mg KOH/g) | <=1.0 mg KOH/g |
| Residue on Ignition | <=0.1% |
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 DIMETHYL 4-HYDROXYPHTHALATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of DIMETHYL 4-HYDROXYPHTHALATE
Packaging of DIMETHYL 4-HYDROXYPHTHALATE
Industrial DIMETHYL 4-HYDROXYPHTHALATE 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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