3-Hydroxy-4-methoxyphenylacetic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1131-94-8 |
| Product name | 3-Hydroxy-4-methoxyphenylacetic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent 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 3-Hydroxy-4-methoxyphenylacetic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-Hydroxy-4-methoxyphenylacetic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-Hydroxy-4-methoxyphenylacetic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a synthetic drug intermediate for the preparation of cardiovascular or central nervous system therapeutics | Participates in drug molecule construction via organic synthesis reactions such as reduction, condensation, or acylation |
| Chemical Research | Used as an organic synthesis reagent or reference standard to support structure–activity relationship studies | Small-scale laboratory synthesis and purification for analytical applications or reaction mechanism investigation |
| Fine Fragrances & Specialty Chemicals | Serves as a precursor compound for fragrances, flavorings, or functional chemicals | Derivatives are prepared through functional group transformation processes such as esterification or etherification |
Manufacturing Quality Control of 3-Hydroxy-4-methoxyphenylacetic acid
| 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 280 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC with UV detection; identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., methanol, ethyl acetate) against calibration standards. |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine generation in pyridine-free reagent; measures water via stoichiometric reaction with Karl Fischer reagent. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, based on atomic emission intensities at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation of chloride anions on an anion-exchange column with suppressed conductivity detection; quantified against sodium chloride standard. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 700-800 C followed by sulfuric acid treatment and final weighing of non-volatile residue as sulfate ash. |
| Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution; indicates enantiomeric purity and identity confirmation. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid transitions to liquid, used for identity and purity assessment per USP <741>. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measurement of hydrogen ion activity in a saturated aqueous suspension using calibrated glass electrode and reference electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity vs. angle to calculate particle size distribution in dispersed dry or wet samples. |
| Microbial Contamination | Membrane Filtration | Filtration of sample solution followed by incubation on soybean-casein digest agar and trypticase soy agar; enumeration of aerobic bacteria and fungi. |
Technical Specifications of 3-Hydroxy-4-methoxyphenylacetic acid
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 142–146°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| 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 3-Hydroxy-4-methoxyphenylacetic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3-Hydroxy-4-methoxyphenylacetic acid
Safety Information of 3-Hydroxy-4-methoxyphenylacetic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3-Hydroxy-4-methoxyphenylacetic acid
Industrial 3-Hydroxy-4-methoxyphenylacetic acid 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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