dimethyl (p-methoxybenzylidene)malonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7443-25-6 |
| Product name | dimethyl (p-methoxybenzylidene)malonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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 dimethyl (p-methoxybenzylidene)malonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk dimethyl (p-methoxybenzylidene)malonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of dimethyl (p-methoxybenzylidene)malonate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthetic intermediate for nonsteroidal anti-inflammatory drugs (e.g., etodolac) | Knoevenagel condensation product, converted to active pharmaceutical ingredient via subsequent hydrolysis, decarboxylation, and aromatization |
| Organic Synthesis | Construction of α,β-unsaturated ester structural units bearing a methoxyphenyl group | Introduced into complex molecular frameworks via Michael addition, cyclization, or cross-coupling reactions |
| Agricultural Chemicals | Synthesis of herbicidal or plant growth regulator precursors with biological activity | Key intermediate in heterocyclic compound construction |
| Materials Science | Precursor for optically active materials or liquid crystal monomers | Participates in polymerization or functionalization modifications leveraging its conjugated structure |
Manufacturing Quality Control of dimethyl (p-methoxybenzylidene)malonate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at characteristic wavelength, comparing peak area against calibrated standard. |
| Related Substances | HPLC-UV or UPLC-MS | Separates and detects impurities (e.g., starting materials, intermediates, degradation products) via chromatographic resolution and spectral/retention time comparison. |
| Residual Solvents | GC-FID | Identifies and quantifies volatile organic solvents (e.g., methanol, toluene) by gas chromatographic separation and flame ionization detection. |
| Water Content | Karl Fischer Titration (Coulometric) | Determines trace water via electrochemical iodine generation and stoichiometric reaction with water in anhydrous medium. |
| Heavy Metals | ICP-MS or ICP-OES | Quantifies elemental impurities (e.g., Pb, Cd, Hg, As) after acid digestion by measuring element-specific mass-to-charge ratios or atomic emission intensities. |
| Melting Point | Capillary Melting Point Apparatus | Measures temperature range at which solid transitions to liquid, indicating purity and identity based on sharpness and agreement with reference value. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of particulates or phase separation under controlled lighting against established reference standards. |
| Chloride Impurity | Ion Chromatography (IC) or Potentiometric Titration | Quantifies chloride ions via suppressed conductivity detection (IC) or argentometric titration with silver nitrate endpoint detection. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Determines inorganic ash content by high-temperature incineration followed by precise weighing of residual non-volatile matter. |
| Specific Optical Rotation | Polarimetry | Measures degree of rotation of plane-polarized light by chiral compounds; used to confirm stereochemical integrity if relevant (though compound is achiral, method verifies absence of chiral contaminants). |
Technical Specifications of dimethyl (p-methoxybenzylidene)malonate
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | ≥99.0% |
| Melting point | 55~59°C |
| Transmittance of 425nm in 20% Toluene solution | ≥96.0% |
| Transmittance of 500nm in 20% Toluene solution | ≥97.0% |
| Color(APHA in 20% Toluene solution) | ≤30 |
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 (p-methoxybenzylidene)malonate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of dimethyl (p-methoxybenzylidene)malonate
Safety Information of dimethyl (p-methoxybenzylidene)malonate
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of dimethyl (p-methoxybenzylidene)malonate
Industrial dimethyl (p-methoxybenzylidene)malonate 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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