Astaxanthin Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 472-61-7 |
| Product name | Astaxanthin |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeFood GradeCosmetic 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 Astaxanthin
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Astaxanthin Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Astaxanthin
| Industry | Applications | Process |
|---|---|---|
| Food & Dietary Supplements | Antioxidant; dietary supplement (immune support, anti-aging) | Microbial fermentation (e.g., using *Phaffia rhodozyma*); algal extraction (e.g., from *Haematococcus pluvialis*) |
| Cosmetics | Anti-aging ingredient (reducing wrinkles, improving skin elasticity); UV protection adjuvant | Supercritical CO₂ extraction; solvent extraction followed by purification |
| Aquaculture | Feed additive (enhancing pigmentation in fish and shrimp, improving survival rate) | Direct incorporation into feed formulations (microencapsulated or oil-soluble form) |
| Pharmaceuticals | Research ingredient for anti-inflammatory drugs; adjunctive component in cardiovascular disease prevention | Chemical synthesis (rare); structural modification following biological extraction |
| Agriculture | Plant growth regulator (enhancing abiotic stress tolerance) | Foliar application or irrigation addition (requires compatible carrier solvent) |
Manufacturing Quality Control of Astaxanthin
| Detection Item | Common Detection Method | Method Overview |
|---|---|---|
| Astaxanthin Content Determination | High-Performance Liquid Chromatography (HPLC) | Utilizes HPLC to separate astaxanthin, with quantification performed using a UV-visible detector at approximately 474 nm. This method offers high sensitivity and good reproducibility, making it the most commonly used quantitative technique. |
| Astaxanthin Content Determination | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Based on the maximum absorption peak of astaxanthin at a specific wavelength (~474 nm), this method determines concentration via colorimetry. It is simple to operate and cost-effective but susceptible to interference from impurities, suitable for preliminary analysis of crude extracts. |
| Astaxanthin Isomer Analysis | High-Performance Liquid Chromatography-Mass Spectrometry (HPLC-MS) | Combines the separation capability of HPLC with the structural identification power of mass spectrometry, enabling accurate differentiation of astaxanthin stereoisomers (e.g., 3S,3'S and 3R,3'R), useful for high-purity products or origin authentication in natural sources. |
| Astaxanthin Purity Analysis | Nuclear Magnetic Resonance Spectroscopy (NMR) | Uses ¹H-NMR or ¹³C-NMR to precisely analyze the molecular structure of astaxanthin, confirming its structure and assessing purity. Commonly applied during standard reference material preparation or R&D stages. |
| Residual Solvent Testing | Gas Chromatography (GC) | Used to detect potentially residual organic solvents (e.g., ethanol, acetone, n-hexane) from extraction processes, ensuring product safety compliance. |
| Oxidative Stability Assessment | Accelerated Oxidation Test + HPLC Monitoring | Exposes samples to elevated temperature, light, or oxygen-rich environments; samples are periodically analyzed by HPLC to monitor astaxanthin degradation, evaluating stability and shelf life. |
| Impurities and Degradation Products | HPLC or LC-MS | Identifies oxidation products of astaxanthin (e.g., hydrolysis of astaxanthin esters into free astaxanthin or other derivatives) based on retention time or mass spectral information, monitoring product quality changes. |
Technical Specifications of Astaxanthin
| Test Item | Specification |
|---|---|
| Appearance | Brown solid |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 172–176°C |
| Optical Rotation | -15° to -25° (c=1, CHCl3) |
| Heavy Metals | <=20 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 Astaxanthin
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Astaxanthin
Packaging of Astaxanthin
Industrial Astaxanthin 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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