DIMETHYL 4-BROMOPHTHALATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 87639-57-4 |
| Product name | DIMETHYL 4-BROMOPHTHALATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial 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-BROMOPHTHALATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk DIMETHYL 4-BROMOPHTHALATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of DIMETHYL 4-BROMOPHTHALATE
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceuticals | Pharmaceutical intermediate | Used as an intermediate in the synthesis of antidepressant and antipsychotic drugs |
| Pesticides | Pesticide synthesis intermediate | Applied as a key intermediate in the preparation of certain insecticides or herbicides |
| Chemical manufacturing | Organic synthesis reagent | Employed as a brominating agent or precursor to ester compounds in organic synthesis |
| Materials science | Functional material preparation | Utilized as a monomer in the preparation of specific functional polymers or liquid crystal materials |
| Research | Analytical reagent | Used as a reference standard or reaction reagent in chemical research |
Manufacturing Quality Control of DIMETHYL 4-BROMOPHTHALATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by 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 (e.g., monoester, brominated isomers, unreacted acid) using gradient HPLC with UV detection. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify residual methanol, dichloromethane, or toluene based on calibrated response factors. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine generation to determine trace water content via stoichiometric reaction with Karl Fischer reagent. |
| Acid Value | Acid-Base Titration | Neutralization of free carboxylic acid groups with standardized sodium hydroxide solution using phenolphthalein or potentiometric endpoint detection. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification after acid digestion by measuring atomic emission intensities at characteristic wavelengths in inductively coupled plasma optical emission spectrometry. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions after sample dissolution and filtration, using an anion-exchange column and suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid phase transition temperature range using controlled heating and visual or automated optical detection. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of the neat solid sample against standard references under controlled lighting conditions. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile inorganic residue remaining after high-temperature ashing (700-800 C) of a weighed sample. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution of known concentration and path length to assess chiral purity. |
| Bulk Density | Tap Density Tester | Determination of mass per unit volume after controlled tapping of a powder sample in a calibrated cylinder according to USP <616>. |
Technical Specifications of DIMETHYL 4-BROMOPHTHALATE
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 128–132°C |
| Identification (NMR) | Consistent with structure |
| Heavy Metals | <=20 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 DIMETHYL 4-BROMOPHTHALATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of DIMETHYL 4-BROMOPHTHALATE
Packaging of DIMETHYL 4-BROMOPHTHALATE
Industrial DIMETHYL 4-BROMOPHTHALATE 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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