China Factory Direct
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| CAS number | 18278-34-7 |
| Product name | 4-Hydroxy-2-methoxybenzaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeCosmetic GradeFood 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Synthesis of antitumor drug intermediates | Used as a key intermediate in multistep organic synthesis to prepare biologically active compounds |
| Fine Fragrance Industry | Fragrance and flavor compound synthesis | Applied in the synthesis of aromatic compounds with floral or fruity characteristics to enhance fragrance complexity |
| Fine Chemicals | Organic synthesis intermediate | Participates in condensation, reduction, and substitution reactions to construct complex molecular frameworks |
| Materials Science | Precursor for functional materials | Used to synthesize organic functional materials with optoelectronic properties, such as liquid crystals or fluorescent probes |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Purity) | HPLC-UV | Quantification via reverse-phase HPLC with UV detection at 280 nm, using external standard calibration. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC with diode-array detection and comparison to reference standards. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents by gas chromatography with flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Coulometric or volumetric titration with iodine-based reagent to determine water content based on stoichiometric reaction. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid phase transition temperature using calibrated capillary apparatus per USP <741>. |
| Heavy Metals | ICP-OES | Quantification of Pb, Cd, Hg, As, and other metals after acid digestion, using inductively coupled plasma optical emission spectrometry. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 500-600 C followed by sulfuric acid treatment and weighing of residual inorganic ash. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light at 20 C using sodium D-line (589 nm) to assess chiral purity. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using Mie scattering theory to determine size distribution. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Direct measurement using calibrated glass electrode in saturated aqueous suspension at 25 C. |
| Organic Volatile Impurities (Residual Benzene, etc.) | GC-MS | Targeted screening and quantification of genotoxic solvents using gas chromatography coupled with mass spectrometry. |
| Test Item | Specification |
|---|---|
| Appearance | Light-green solid |
| Purity | >=98.0% (GC) |
| Melting Point | 42-46°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference standard |
| Residue on Ignition | <=0.1% |
| Odor | Characteristic aromatic |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.