L-Lysine sulphate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 60343-69-3 |
| Product name | L-Lysine sulphate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood 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-Lysine sulphate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-Lysine sulphate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-Lysine sulphate
| Industry | Application | Process |
|---|---|---|
| Food Industry | Nutritional fortificant | Added to food products to increase lysine content |
| Animal Feed Industry | Nutritional supplement | Incorporated into animal feed to enhance animal growth performance |
| Pharmaceutical Industry | Active pharmaceutical ingredient (API) | Used as a starting material in the synthesis of other pharmaceuticals |
Manufacturing Quality Control of L-Lysine sulphate
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Identification Test | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with the reference spectrum of L-lysine sulfate to confirm characteristic functional groups. |
| Thin Layer Chromatography (TLC) | Develop the sample and reference standard under identical conditions, then compare spot positions (Rf values) and color development behavior for identification. | |
| Content Determination | Acid-Base Titration | Utilize the basic amino groups of L-lysine to react with a standardized acid solution; determine the endpoint using an indicator or potentiometric method to calculate the main component content. |
| High-Performance Liquid Chromatography (HPLC) | Separate using ion-exchange or reversed-phase chromatographic columns, followed by UV or differential refractive index detection for quantitative analysis of L-lysine sulfate content. | |
| Specific Rotation | Polarimetry | Measure the optical rotation of the solution at a specified wavelength (typically sodium D line, 589 nm) and temperature, then calculate specific rotation to verify optical purity. |
| pH Value | pH Meter Measurement | Prepare a solution of specified concentration and directly measure its pH using a calibrated pH meter to assess acid-base equilibrium. |
| Drying Loss | Thermogravimetric Analysis (TGA) or Constant Pressure Drying | Dry the sample at a specified temperature (e.g., 105°C) until constant weight is achieved; calculate the percentage of mass loss to evaluate moisture and volatile impurities. |
| Residue on Ignition (Sulfate Ash) | High-Temperature Incineration | Ignite the sample at high temperature (approximately 800°C), then weigh the residual inorganic matter to control total inorganic impurities. |
| Heavy Metals | Thioacetamide Method (Colorimetry) | Under weakly acidic conditions, heavy metals react with thioacetamide to form colored metal sulfide precipitates; compare with a standard lead solution for limit testing. |
| Atomic Absorption Spectroscopy (AAS) | Determine the content of specific heavy metals such as lead, cadmium, mercury, and arsenic using atomic absorption spectrometry—offering high sensitivity and strong specificity. | |
| Arsenic Impurities | Gutzeit Method (Ancient Method) | Generate nascent hydrogen by reacting zinc with acid to reduce arsenic compounds into arsine gas; the arsine reacts with mercuric bromide paper to produce a visible color change, compared against a standard. |
| Chloride | Silver Nitrate Turbidimetry | React chloride ions with silver nitrate in nitric acid medium to form silver chloride turbidity; compare with a standard sodium chloride solution for limit assessment. |
| Sulfate | Barium Chloride Turbidimetry | React sulfate ions with barium chloride in hydrochloric acid medium to form barium sulfate precipitate; control sulfate impurities via turbidimetric measurement. |
| Other Amino Acid Impurities | High-Performance Liquid Chromatography (HPLC) | Use chiral or ion-exchange columns for separation to detect the presence of D-lysine or other amino acid impurities. |
| Microbial Limits | Microbiological Culture Method | Perform tests for total aerobic bacteria, mold/yeast count, and controlled pathogens (e.g., Escherichia coli) according to Chinese Pharmacopoeia or relevant standards. |
Technical Specifications of L-Lysine sulphate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.2% |
| Optical Rotation | +11.0° to +13.0° (c=2, H2O) |
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-Lysine sulphate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of L-Lysine sulphate
Industrial L-Lysine sulphate 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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