L-2,3-Diaminopropionic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4033-39-0 |
| Product name | L-2,3-Diaminopropionic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/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-2,3-Diaminopropionic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-2,3-Diaminopropionic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-2,3-Diaminopropionic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Intermediate in the synthesis of antibiotics and peptide-based drugs | Used as a chiral building block in solid-phase or solution-phase peptide synthesis |
| Biochemical Research | Amino acid analogs for studying enzyme substrate specificity | Applied in in vitro enzymatic assays to investigate transaminase or decarboxylase activity |
| Organic Synthesis | Precursor to non-natural amino acids for functional molecule design | Modified with protecting groups prior to coupling reactions to construct complex organic molecular structures |
Manufacturing Quality Control of L-2,3-Diaminopropionic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (L-2,3-diaminopropionic acid content) | Acid-base titration with standardized HCl | Quantifies total basic amino groups via potentiometric or indicator-based titration against strong acid. |
| Optical Rotation | [alpha]D measurement using polarimeter | Measures specific rotation at 589 nm to confirm chiral purity and L-configuration. |
| Water Content | Karl Fischer titration | Determines trace water by coulometric or volumetric reaction with iodine in pyridine/methanol medium. |
| Residue on Ignition | Gravimetric analysis after high-temperature ashing | Measures non-volatile inorganic impurities as sulfate ash after combustion at 700-800 C. |
| Heavy Metals | ICP-OES | Quantifies Pb, Cd, As, Hg, and other toxic metals by atomic emission following acid digestion. |
| Chloride Impurity | Ion chromatography (IC) | Separates and quantifies chloride anions using suppressed conductivity detection. |
| Sulfate Impurity | Ion chromatography (IC) | Separates and quantifies sulfate anions using suppressed conductivity detection. |
| Related Substances | HPLC with UV detection | Separates and quantifies structurally similar impurities (e.g., diastereomers, degradation products) using reversed-phase C18 column and UV at 200-220 nm. |
| Loss on Drying | Thermogravimetric analysis (TGA) or oven drying | Measures volatile matter loss after heating at 105 C under controlled conditions. |
| pH of Aqueous Solution | Potentiometric pH measurement | Determines acidity/basicity of a defined aqueous solution (e.g., 1% w/v) using calibrated pH electrode. |
| Microbial Limits | Membrane filtration followed by plate count | Detects aerobic mesophilic microorganisms using nutrient agar and incubation at 30-35 C for 3-5 days. |
| Particle Size Distribution | Laser diffraction analysis | Measures particle size distribution in dry powder form using light scattering principles. |
Technical Specifications of L-2,3-Diaminopropionic acid
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 210-215°C (decomposes) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Optical Rotation | +12.0° to +14.0° (c=1, 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-2,3-Diaminopropionic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of L-2,3-Diaminopropionic acid
Industrial L-2,3-Diaminopropionic acid 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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