Zinc picolinate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 17949-65-4 |
| Product name | Zinc picolinate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Zinc picolinate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Zinc picolinate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Zinc picolinate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Drug synthesis | Produced via organic synthesis reactions |
| Pesticides | Pesticide formulation | Used as active ingredient or adjuvant |
| Materials Science | Complex preparation | Forms coordination complexes with other ligands |
Manufacturing Quality Control of Zinc picolinate
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Content Determination (Main Component Analysis) | High-Performance Liquid Chromatography (HPLC) | Reverse-phase HPLC is used with a C18 column as the stationary phase. The mobile phase typically consists of a methanol-water or acetonitrile-phosphate buffer gradient elution system, and detection is performed using a UV detector (e.g., at 254 nm). This method accurately determines the zinc pyridine-2-carboxylate content with high sensitivity and reproducibility. |
| Purity Analysis | Gas Chromatography (GC) | If the sample is volatile and thermally stable, headspace injection or derivatization followed by gas chromatographic analysis may be employed. Coupling with mass spectrometry (GC-MS) allows for identification of impurities and their quantitative analysis. Suitable for qualitative and quantitative analysis of volatile impurities. |
| Heavy Metal Content Testing | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After acid digestion of the sample, the content of heavy metal elements such as lead, cadmium, mercury, and arsenic is determined using an atomic absorption spectrometer or ICP-MS, ensuring compliance with pharmacopoeia or industry standard limits. |
| Moisture Content Determination | Karl Fischer Titration | A chemical titration method used to accurately determine the moisture content in samples. It is suitable for moisture-sensitive metal organic compounds and provides accurate and reliable results. |
| Residue on Ignition (Ash Content) Testing | Ignition Method (Gravimetric Method) | The sample is ignited at high temperature (approximately 600–700 °C) until constant weight is achieved, and the residue mass is calculated. This test is used to assess the content of inorganic impurities and reflects product purity. |
| pH Value Testing | pH Meter Method | A solution of known concentration is prepared, and its pH is measured using a calibrated pH meter to ensure the product is within the specified range, reflecting its dissolution behavior and stability. |
| Particle Size Distribution Analysis | Laser Particle Size Analysis | Laser diffraction technology is used to measure the particle size distribution of powder samples (e.g., D50, D90), which affects solubility, bioavailability, and formulation performance. |
| Thermal Analysis (Melting Point/Decomposition Temperature) | Differential Scanning Calorimetry (DSC) or Thermogravimetric Analysis (TGA) | DSC is used to determine melting or decomposition temperatures and assess thermal stability. TGA analyzes weight loss processes to determine crystallization water content or decomposition products. |
| Impurity Profile Analysis | High-Performance Liquid Chromatography-Mass Spectrometry (LC-MS) | Used for identification and quantification of unknown or process-related impurities, providing molecular weight and structural information. This is an essential tool for new drug development and quality control. |
Technical Specifications of Zinc picolinate
| Test Item | Specification |
|---|---|
| Appearance | Whtie powder |
| Zinc | 20.0%~23.0% |
| Loss on drying | ≤2.5% |
| Particle size (pass 60 mesh) | ≥95.0% |
| pH(0.5% solution) | 5.0~8.0 |
| Cd | ≤1 ppm |
| Pb | ≤1 ppm |
| Hg | ≤ 0.2 ppm |
| As | ≤1 ppm |
| Total plate count | ≤300 cfu/g |
| Yeast&mold | ≤100 cfu/g |
| E. coli | ND |
| Salmonella | ND |
| S. Aureus | ND |
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 Zinc picolinate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Zinc picolinate
Packaging of Zinc picolinate
Industrial Zinc picolinate 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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