3,4-Dimethoxy-5-hydroxybenzaldehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 29865-90-5 |
| Product name | 3,4-Dimethoxy-5-hydroxybenzaldehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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) |
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Documents We Provide for 3,4-Dimethoxy-5-hydroxybenzaldehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,4-Dimethoxy-5-hydroxybenzaldehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,4-Dimethoxy-5-hydroxybenzaldehyde
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Key intermediate in the synthesis of anticancer drugs everolimus and sirolimus | Introduced into the macrolide structure during the semi-synthetic route to rapamycin derivatives via selective protection, oxidation, and coupling steps |
| Fine Fragrances | Used in woody and spicy fragrance compositions to impart long-lasting woody-herbal notes | Acts as a fixative in fragrance compounding; commonly used synergistically with vanillin and ethyl vanillin, with aroma stability achieved through solvent blending or microencapsulation |
| Organic Synthesis | Starting material for constructing benzodioxole derivatives and for total synthesis of natural products | Converted into piperonal derivatives or aporphine alkaloid precursors via reactions such as Duff formylation, demethylation, or Claisen rearrangement |
Manufacturing Quality Control of 3,4-Dimethoxy-5-hydroxybenzaldehyde
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at ~280 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV or UPLC-UV | Separation and quantification of structurally related impurities (e.g., starting materials, intermediates, degradation products) using gradient elution and UV detection. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify residual solvents (e.g., methanol, acetone, DMF) per ICH Q3C guidelines. |
| Heavy Metals | ICP-MS | Multi-element trace metal quantification (e.g., Pb, Cd, As, Hg, Ni) after acid digestion, based on USP <233> and ICH Q2(R2). |
| Loss on Drying (LOD) | Gravimetric (105 °C, constant weight) | Measurement of volatile content by weight loss upon drying under controlled temperature and atmospheric conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid phase transition temperature range using calibrated capillary apparatus per USP <741>. |
| Residue on Ignition (Sulfated Ash) | Gravimetric (500–600 °C) | Quantification of inorganic residue after charring and sulfuric acid treatment followed by high-temperature ignition. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration measuring water content via iodine generation and stoichiometric reaction with water. |
| Optical Rotation | [α]D | Polarimetric measurement at 589 nm to confirm chiral integrity and absence of racemization (though compound is achiral, used for identity/consistency). |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined saturated aqueous suspension to assess acidic/basic impurities or degradation. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample to determine D10, D50, D90 values per ISO 13320. |
| Microbial Limits | Membrane Filtration + Culture | Enumeration of aerobic microorganisms and detection of specified pathogens (e.g., E. coli, S. aureus) per USP <61> and <62>. |
Technical Specifications of 3,4-Dimethoxy-5-hydroxybenzaldehyde
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 124–128°C |
| Water Content (KF) | <=0.5% |
| 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 3,4-Dimethoxy-5-hydroxybenzaldehyde
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,4-Dimethoxy-5-hydroxybenzaldehyde
Safety Information of 3,4-Dimethoxy-5-hydroxybenzaldehyde
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3,4-Dimethoxy-5-hydroxybenzaldehyde
Industrial 3,4-Dimethoxy-5-hydroxybenzaldehyde 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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