D-ASPARTIC ACID-BETA-METHYL ESTER Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 21394-81-0 |
| Product name | D-ASPARTIC ACID-BETA-METHYL ESTER |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for D-ASPARTIC ACID-BETA-METHYL ESTER
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk D-ASPARTIC ACID-BETA-METHYL ESTER Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of D-ASPARTIC ACID-BETA-METHYL ESTER
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of drug intermediates | Chemical synthesis |
| Food Industry | Amino acid-based food additives | Chemical or enzymatic synthesis |
| Cosmetics Industry | Active ingredients in skincare products | Chemical modification and purification |
| Agriculture | Biostimulants or fertilizer additives | Fermentation or chemical synthesis |
| Chemical Research | Laboratory reagents | Preparation of fine chemicals |
Manufacturing Quality Control of D-ASPARTIC ACID-BETA-METHYL ESTER
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 205 nm. |
| Optical Rotation | [alpha]D | Measurement of specific rotation using a polarimeter at 20 C with sodium D-line (589 nm) to confirm chiral integrity and enantiomeric purity. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine trace water content based on stoichiometric reaction with water. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C and weighing residual inorganic ash to assess inorganic impurities. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion using inductively coupled plasma optical emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Related Substances | HPLC-UV | Detection and quantification of structurally related impurities (e.g., D-aspartic acid, methyl ester hydrolysis products) using gradient RP-HPLC. |
| pH of Aqueous Solution | Potentiometric Titration | Measurement of pH in a 1% w/v aqueous solution using calibrated glass electrode to assess acid-base characteristics. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, indicating crystallinity and purity. |
| Loss on Drying | Thermogravimetric Analysis | Weight loss measured after drying at 105 C for 2 hours to assess volatile content including residual solvents and moisture. |
| Specific Optical Rotation Purity | HPLC-Chiral | Enantiomeric excess assessment using chiral stationary phase HPLC to detect L-aspartic acid beta-methyl ester or racemization byproducts. |
| Residual Methanol | GC-FID | Quantification of residual methanol using gas chromatography with flame ionization detection after headspace sampling. |
Technical Specifications of D-ASPARTIC ACID-BETA-METHYL ESTER
| 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 | +15.0 to +17.0° (c=1, in 1M HCl) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| 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
|
|
Download COA of D-ASPARTIC ACID-BETA-METHYL ESTER
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of D-ASPARTIC ACID-BETA-METHYL ESTER
Safety Information of D-ASPARTIC ACID-BETA-METHYL ESTER
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of D-ASPARTIC ACID-BETA-METHYL ESTER
Industrial D-ASPARTIC ACID-BETA-METHYL ESTER 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply