H-D-MET-OET HCL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7512-43-8 |
| Product name | H-D-MET-OET HCL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 H-D-MET-OET HCL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk H-D-MET-OET HCL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of H-D-MET-OET HCL
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Manufacturing | Used as an amino acid derivative intermediate for synthesizing methionine-containing drugs, such as antioxidants and hepatoprotective agents | Produced via esterification of D-methionine with ethanol under hydrochloric acid catalysis |
| Food Additives | Used as a precursor for nutritional fortification, supplementing essential methionine in animal feed | Employed as a chiral intermediate in the stereoselective synthesis of feed-grade methionine |
| Cosmetics | Applied in developing sulfur-containing amino acid derivatives for skin repair and anti-aging actives | Serves as a synthetic intermediate for active ingredients, purified prior to formulation |
| Agrochemicals | Used as a chiral auxiliary or intermediate for synthesizing methionine-containing plant growth regulators | Prepared via esterification followed by hydrochloric acid salt formation, for subsequent condensation or coupling reactions |
Manufacturing Quality Control of H-D-MET-OET HCL
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (D-Methionine Ethyl Ester Hydrochloride) | Acid-Base Titration with NaOH | Neutralization of hydrochloride salt using standardized sodium hydroxide solution with potentiometric or indicator endpoint detection. |
| Optical Rotation | [alpha]D Measurement | Measurement of specific rotation at 20 C using sodium D-line (589 nm) to confirm chiral purity and identity. |
| Water Content | Karl Fischer Titration | Quantitative determination of water by iodine-based redox reaction in anhydrous methanol medium. |
| Residual Solvents (Ethanol, Ethyl Acetate) | Gas Chromatography (GC) with FID | Separation and quantification of volatile organic solvents using capillary column and flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion and plasma excitation. |
| Chloride Impurity | Argentometric Titration (Mohr method) | Precipitation titration with silver nitrate using potassium chromate indicator to determine chloride ion concentration. |
| Related Substances | HPLC with UV Detection | Separation and quantification of structurally related impurities (e.g., D-methionine, L-isomer, degradation products) on a chiral or reversed-phase column. |
| pH (1% aqueous solution) | pH Meter Measurement | Direct measurement of hydrogen ion activity in aqueous solution using calibrated glass electrode. |
| Loss on Drying (LOD) | Gravimetric Analysis (105 C, 2 h) | Mass loss upon heating under controlled temperature and time to determine volatile and moisture content. |
| Residue on Ignition | Sulfated Ash Gravimetry | Determination of inorganic residue after high-temperature combustion following sulfuric acid treatment. |
| Microbial Limits | Membrane Filtration and Plate Count | Enumeration of aerobic mesophilic bacteria and detection of specified pathogens per pharmacopeial guidelines. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution based on light scattering patterns of dispersed sample in liquid medium. |
Technical Specifications of H-D-MET-OET HCL
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 148-152°C |
| Optical Rotation | +23.0 to +25.0° (c=1, in 1M HCl) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 H-D-MET-OET HCL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of H-D-MET-OET HCL
Industrial H-D-MET-OET HCL 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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