Pyridoxine dipalmitate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 635-38-1 |
| Product name | Pyridoxine dipalmitate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood GradeCosmetic 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 Pyridoxine dipalmitate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pyridoxine dipalmitate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pyridoxine dipalmitate
| Industry | Application | Process |
|---|---|---|
| Food Industry | Stabilized derivative of vitamin B6, used for food fortification and nutritional supplements | Used as a lipophilic vitamin precursor; hydrolyzed in vivo to active pyridoxol (vitamin B6) for absorption and utilization |
| Cosmetics & Personal Care | Antioxidant and skin-conditioning agent, used in skincare and haircare products | Added to emulsions, creams, or shampoos; pyridoxol is gradually released to exert physiological activity and enhance formulation stability |
| Pharmaceutical Industry | Pharmaceutical excipient or sustained-release form of vitamin B6, used in oral dosage forms | Hydrolyzed by esterases in the gastrointestinal tract to progressively release pyridoxol, extending duration of action and improving bioavailability |
| Feed Additives | Source of vitamin B6 in animal feed | Incorporated into compound feed; its lipophilicity and stability—superior to free pyridoxol—make it suitable for high-fat or long-term storage feed systems |
Manufacturing Quality Control of Pyridoxine dipalmitate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 290 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and detection of impurities using gradient HPLC-UV; identification and quantification based on relative retention times and response factors. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify common solvents (e.g., ethanol, acetone, ethyl acetate) against calibration standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content via stoichiometric reaction. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (Pb, Cd, As, Hg) after acid digestion, using mass spectrometry for high sensitivity and selectivity. |
| Acid Value | Acid-Base Titration | Titration with standardized KOH solution in ethanol/isopropanol mixture using phenolphthalein indicator to determine free carboxylic acid content. |
| Iodine Value | Wijs Method | Reaction with excess iodine monochloride followed by back-titration of unreacted iodine with sodium thiosulfate to assess unsaturation in fatty acid chains. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light at 20 deg C using sodium D-line (589 nm) to confirm chiral integrity and enantiomeric purity. |
| Residue on Ignition | Gravimetric Analysis | Heating sample at 700-800 deg C to constant weight, then weighing inorganic residue as percentage of original sample mass. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using laser scattering to determine volume-based particle size distribution (D10, D50, D90). |
| Microbial Limits | Membrane Filtration | Filtration of sample suspension followed by incubation on appropriate agar media to enumerate total aerobic microbes and detect specified pathogens. |
Technical Specifications of Pyridoxine dipalmitate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 68.0–72.0°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Optical Rotation | +20.0° to +24.0° (c=1, in chloroform) |
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 Pyridoxine dipalmitate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Pyridoxine dipalmitate
Industrial Pyridoxine dipalmitate 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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