Certificate of Analysis-COA
Item | Limit | Result |
Appearance | White crystals or crystalline powder | Crystalline powder |
Assay | 98.5%~101.0% | 99.6% |
State of solution | Clear & Transparent | Conforms |
Transmittance | ≥98.0% | 98.6% |
Specific rotation [α]ᴰ²⁰ | +24.8°~+25.8° | +25.12° |
Chloride (Cl) | ≤0.02% | <0.02% |
Ammonium (NH₄) | ≤0.02% | <0.02% |
Sulfate (SO₄) | ≤0.02% | <0.02% |
Iron (e) | ≤10ppm | <10ppm |
Heavy metals (Pb) | ≤10ppm | <10ppm |
Arsenic (As₂O₃) | ≤1ppm | <1ppm |
Other amino acids | Not detectable | Conforms |
Loss on drying | ≤0.20% | 0.07% |
Residue on ignition | ≤0.10% | 0.05% |
pH value | 2.5~3.5 | 3.08 |
Natural degree | ≥97.0% | 97.0% |
Conclusion | This product meets the requirements of AJI92 standard, so it is qualified. |
Applications
1. For Aspartame And Sweetener Production: L-Aspartic acid (CAS 56-84-8) is a key raw material for the production of aspartame, the low-calorie dipeptide sweetener, supporting the global food and beverage sweetening industry with high-purity amino acid feedstock.
2. For Food Flavor And Seasoning: As a natural amino acid with a sour, umami-tinged taste, L-aspartic acid is used as a flavor enhancer and seasoning component in food products, helping formulators create balanced, savory taste profiles.
3. For Nutrition And Supplement Formulations: L-aspartic acid serves as the amino acid base for mineral aspartates such as magnesium, potassium, calcium and zinc aspartate used in nutritional supplement and food fortification products.
4. For Agriculture And Biodegradable Polymers: L-aspartic acid is polymerized into polyaspartic acid, a biodegradable polymer used in agriculture to improve water retention and nitrogen uptake, and in water treatment as a scale inhibitor and dispersant.
5. Reliable Supply For Global Industry: Supplied as high-purity (99% min) white crystalline powder with consistent quality, L-aspartic acid gives food, beverage, nutrition and agricultural manufacturers a dependable amino acid with stable supply, flexible packaging and professional technical support.
Quality Assurance
Every batch of chemicals leaves our factory with complete laboratory documentation — not a promise, but verifiable test data. From incoming raw material inspection to finished-goods release, each batch is tested against published specifications, and a Certificate of Analysis (COA) accompanies every single shipment. What you order is exactly what we test — and what we ship.
Tested by our in-house ISO 9001:2015 laboratory. Verified independently by third-party labs on request (SGS / BV / Intertek). Traceable from raw material to your warehouse.
Packaging
White plastic woven bag
kraft paper bag
ton bag
Export-grade packaging, custom labels
Solids (woven bags/cardboard drums/ton bags)
Liquids (plastic drums/IBC/ISO tanks)