Protocatechualdehyde Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 139-85-5 |
| Product name | Protocatechualdehyde |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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 Protocatechualdehyde
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Protocatechualdehyde Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Protocatechualdehyde
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Reacted with amines to form imines or undergo other functional group transformations |
| Fragrances | Raw material for fragrance formulations | Added directly to perfumes or blended with other components prior to use |
| Pesticides | Preparation of active ingredients | Converted into target products via reactions such as esterification and acylation |
| Dyes | Starting material in dye production | Participates in dye molecule construction, e.g., via coupling reactions |
| Fine Chemicals | Synthesis of surfactants and other auxiliaries | Undergoes addition reactions—e.g., with ethylene oxide—in the presence of a catalyst to produce nonionic surfactants |
Manufacturing Quality Control of Protocatechualdehyde
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 275 nm, comparing peak area against a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color by observing sample in a white background under controlled lighting; should be off-white to light yellow crystalline solid. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| Loss on Drying | Gravimetric (Oven Drying) | Measurement of mass loss after drying at 105 C for 2 hours; reflects volatile impurities and residual solvents. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Mass of non-volatile residue remaining after high-temperature incineration (600-800 C) following sulfuric acid treatment. |
| Heavy Metals | AAS (Lead, Cadmium, Mercury, Arsenic) | Quantification of toxic elements by atomic absorption spectroscopy after acid digestion and matrix matching. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anion using suppressed conductivity detection with carbonate/bicarbonate eluent. |
| Sulfate Impurity | Turbidimetric Method | Formation of barium sulfate precipitate in acidic medium; quantification via measurement of turbidity at 420 nm. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using HPLC with diode array detection and reference standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration based on iodine consumption in pyridine-methanol solvent system to determine trace water. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using calibrated glass electrode pH meter. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution by measuring angular variation in laser light scattering from dispersed sample in liquid medium. |
Technical Specifications of Protocatechualdehyde
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown solid |
| Purity | >=98.5% (LC-MS) |
| Melting Point | 149–153°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 Protocatechualdehyde
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Protocatechualdehyde
Packaging of Protocatechualdehyde
Industrial Protocatechualdehyde 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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