L(+)-Arginine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 74-79-3 |
| Product name | L(+)-Arginine |
| 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(+)-Arginine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L(+)-Arginine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L(+)-Arginine
| Industry | Applications | Process |
|---|---|---|
| Pharmaceuticals | Component of amino acid infusion solutions; therapeutic agent for hepatic encephalopathy; nitric oxide precursor supplement | Formulated into intravenous infusions; compressed into oral tablets or encapsulated |
| Food | Nutritional fortificant; flavor enhancer; antioxidant | Incorporated into sports drinks, infant formula, and dietary supplements, with usage levels compliant with GB 14880-2012 |
| Animal Feed | Feed additive for livestock and poultry to promote growth and enhance immunity | Blended with vitamins and trace minerals into premixes, then incorporated into compound feeds for swine and poultry |
| Cosmetics | Humectant; skin-conditioning agent; pH adjuster | Added as an active ingredient to emulsions, serums, and masks at typical concentrations of 0.5–3.0% |
| Biotechnology | Critical component of cell culture media (particularly for CHO cells); additive for optimizing protein expression | Used in the preparation of serum-free culture media under cGMP requirements to support biopharmaceutical production, including monoclonal antibodies |
Manufacturing Quality Control of L(+)-Arginine
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Perform infrared scanning of the sample and reference standard under identical conditions, and compare characteristic absorption peaks to confirm consistency of molecular structure. |
| Thin-Layer Chromatography (TLC) | Separate the sample using a stationary phase and mobile phase; develop spots with a coloring agent and compare Rf values with reference standards for qualitative identification. | |
| Assay | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase chromatographic column (e.g., C18) with a UV or evaporative light scattering detector; quantify the main component using external or internal standard methods. |
| Amino Acid Automatic Analyzer | Based on ion-exchange chromatography with post-column derivatization; specifically designed for amino acid quantification with high accuracy, suitable for systems containing multiple coexisting amino acids. | |
| Non-aqueous Titration | Titrate with perchloric acid standard solution in a non-aqueous solvent (e.g., glacial acetic acid); suitable for assaying basic amino acids. | |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Separate L-arginine and its related impurities (e.g., other amino acids, degradation products) using gradient elution; calculate the percentage of each impurity peak area. |
| Water Content | Karl Fischer Titration | Utilize the quantitative reaction between iodine and sulfur dioxide in an anhydrous environment with water; determine moisture content precisely via coulometric titration. |
| Residue on Ignition | Residue on Ignition Method | Ignite the sample at high temperature and weigh the residual residue to assess the level of inorganic impurities. |
| Heavy Metals | Sulfide Colorimetric Method (e.g., Chinese Pharmacopoeia method) | Under acidic conditions, heavy metals react with hydrogen sulfide to form colored precipitates; quantify total heavy metal content by colorimetry. |
| Specific Optical Rotation | Polarimetry | Use a polarimeter to measure the optical rotation angle of a solution at a specified concentration to verify whether its optical purity falls within the standard range. |
| pH Value | pH Meter Method | Dissolve L-arginine in water at a specified concentration and directly measure the pH of the solution using a calibrated pH meter. |
| Microbial Limits | Microbial Limits Test | Perform assays according to pharmacopoeial requirements for total aerobic microbial count, total mold and yeast count, and control organisms (e.g., Escherichia coli). |
Technical Specifications of L(+)-Arginine
| Test Item | Specification |
|---|---|
| Appearance | White powder to crystal |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 222-226°C |
| Optical Rotation | +24.0 to +28.0° (c=1, H2O) |
| Total Impurities | <=2.0% |
| 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(+)-Arginine
| CAS/Product ID | *Required fields | |
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NMR Spectra of L(+)-Arginine
Packaging of L(+)-Arginine
Industrial L(+)-Arginine 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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