L-Ornithine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 70-26-8 |
| Product name | L-Ornithine |
| 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 L-Ornithine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-Ornithine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-Ornithine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Adjunctive therapy for hepatic encephalopathy | Administered orally or intravenously as a urea cycle intermediate to facilitate ammonia detoxification |
| Pharmaceuticals | Component of amino acid infusion solutions | Formulated with other amino acids in parenteral nutrition preparations |
| Cosmetics | Moisturizing and skin-repairing agent | Incorporated into skincare products to support collagen synthesis |
| Food | Nutritional fortificant | Added to functional foods or sports nutrition products to support metabolic regulation |
| Biotechnology | Reference standard for metabolic studies | Used in enzyme activity assays and research on the urea cycle pathway |
| Agriculture | Animal feed additive | Enhances nitrogen metabolism and improves growth performance in livestock and poultry |
Manufacturing Quality Control of L-Ornithine
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Ornithine Content Determination | High-Performance Liquid Chromatography (HPLC) | A reversed-phase C18 column is used to separate ornithine, which is first derivatized (e.g., with OPA or dansyl chloride) into a fluorescent or UV-absorbing derivative. After elution with mobile phase, detection is performed using a fluorescence or UV detector. This method offers high sensitivity and good reproducibility, making it suitable for accurate quantification of ornithine in raw materials and formulations. |
| Purity and Impurity Analysis | High-Performance Liquid Chromatography-Mass Spectrometry (HPLC-MS) | Combines the separation power of HPLC with the structural identification capability of mass spectrometry, enabling simultaneous detection of the main ornithine component and related impurities (such as synthesis intermediates, degradation products, or other amino acids). It is used for quality control of high-purity samples and impurity profiling. |
| Amino Acid Composition Analysis | Amino Acid Analyzer | Uses a dedicated amino acid analyzer with cation-exchange chromatography followed by post-column derivatization with ninhydrin and detection at visible wavelengths. This method systematically determines ornithine content within complex amino acid mixtures and is commonly applied in quality control of nutritional formulations or compound amino acid products. |
| Chiral Purity Testing | Chiral High-Performance Liquid Chromatography (Chiral HPLC) | Employs chiral stationary phase columns to separate D- and L-ornithine enantiomers, allowing assessment of chiral purity. This is particularly important for pharmaceutical-grade L-ornithine to ensure absence of harmful enantiomeric impurities. |
| Moisture and Residual Solvents | Karl Fischer Titration Gas Chromatography (GC) |
Karl Fischer titration is used to determine moisture content in ornithine raw materials; gas chromatography is employed to detect residual organic solvents (e.g., methanol, ethanol, acetone) from manufacturing processes, ensuring compliance with pharmacopoeial requirements for loss on drying and residual solvents. |
| Physicochemical Property Tests | Melting Point Determination, Specific Optical Rotation Measurement | Measures the melting point range and specific optical rotation ([α]D) of ornithine to verify whether its physical properties meet specifications. Pharmaceutical-grade L-ornithine typically exhibits a defined optical rotation range (e.g., +8.5° to +9.5°), useful for identification and preliminary purity assessment. |
Technical Specifications of L-Ornithine
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 146-149°C |
| Optical Rotation | +27.0° to +29.0° (c=2, 1M HCl) |
| Total Impurities | <=1.5% |
| 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 L-Ornithine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of L-Ornithine
Packaging of L-Ornithine
Industrial L-Ornithine 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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