China Factory Direct
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| CAS number | 31680-08-7 |
| Product name | 4-METHOXY-3-NITROBENZALDEHYDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent 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) |
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 |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate | Used as an intermediate in the synthesis of active pharmaceutical ingredients |
| Chemical research | Organic compound synthesis | Applied as an aromatic aldehyde derivative in various reactions |
| Materials science | Functional material preparation | Employed in the synthesis of novel organic functional materials |
| 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., nitrophenol derivatives, oxidation/byproduct species) relative to main peak using gradient elution. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents (e.g., methanol, DMF, toluene) by gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration based on the stoichiometric reaction of iodine with water in pyridine/methanol buffer. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, Cr, Ni after acid digestion, based on atomic emission intensity at element-specific wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity-based quantification of chloride ions using an anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Residue mass after high-temperature incineration (700-800 C) following sulfuric acid treatment, expressed as percentage of sample weight. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition determination via controlled heating; onset and clear point recorded using calibrated capillary method. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates or discoloration against established reference standards under controlled lighting. |
| Acidity (as HCl) | Acid-Base Titration | Titration with standardized NaOH solution using phenolphthalein indicator; measures acidic impurities titratable under specified conditions. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity versus angle to derive volume-based particle size distribution in dry or wet dispersion mode. |
| Organic Volatile Impurities (OVI) | GC-MS | Screening and semi-quantitative identification of non-specified volatile organics using mass spectral library matching and retention time alignment. |
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 78-82°C |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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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.