Amino Acid Ingredient
L-Aspartic Acid Powder
Bulk L aspartic acid powder for food, nutrition and amino acid formulations, supported by batch-specific analytical results and commercial ingredient supply.
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Product Profile
L-Aspartic Acid at a Glance
L-Aspartic Acid is the L-form of aspartic acid and is supplied as white crystals or crystalline powder. Its identity, assay, optical rotation and impurity profile are important points for material qualification.
Specification
L-Aspartic Acid Powder Specification & Batch Results
The reference lot is tested for identity, assay, specific rotation, inorganic impurities, related compounds and microbiological quality.
| Test Item | Specification | Method | Batch Result |
|---|---|---|---|
| Chemical & Physical Properties | |||
| Appearance | White or almost white, crystal or crystalline powder | Visual | White crystalline |
| Identification | Infrared absorption | USP197K | Conform |
| Assay | NLT 98.5% and NMT 101.5% | USP541 | 99.52% |
| Residue on ignition | NMT 0.1% | USP281 | 0.05% |
| Specific rotation [α]D20 | +24.0° to +26.0° | USP781S | +25.20° |
| Loss on drying | NMT 0.5% | USP731 | 0.06% |
| Elements & Inorganic Impurities | |||
| Chloride (Cl) | NMT 0.02% | USP221 | < 0.02% |
| Sulfate (SO₄) | NMT 0.03% | USP221 | < 0.03% |
| Iron (Fe) | NMT 10 ppm | USP241 | < 10 ppm |
| Lead (Pb) | NMT 1 ppm | USP43 | < 1 ppm |
| Arsenic (As) | NMT 0.5 ppm | USP43 | < 0.5 ppm |
| Cadmium (Cd) | NMT 0.5 ppm | USP43 | < 0.5 ppm |
| Mercury (Hg) | NMT 0.1 ppm | USP43 | < 0.1 ppm |
| Related Compounds | |||
| Maleic acid | ≤ 0.05% | USP621 | < 0.05% |
| Malic acid | ≤ 0.20% | USP621 | < 0.20% |
| Fumaric acid | ≤ 0.10% | USP621 | < 0.10% |
| Any unspecified impurity | ≤ 0.05% | USP621 | < 0.05% |
| Total unspecified impurities | ≤ 0.10% | USP621 | < 0.10% |
| Microbiological | |||
| Total Aerobic Microbial Count | NMT 1000 cfu/g | USP43 | < 1000 cfu/g |
| Molds and Yeasts Count | NMT 100 cfu/g | USP43 | < 100 cfu/g |
| Coliform bacteria | Negative / 10 g | Testing Plate | Negative |
| Salmonella sp. | Negative / 10 g | Testing Plate | Negative |
| Staphylococcus aureus | Negative / 10 g | Testing Plate | Negative |
Material Characteristics
Form & Handling Characteristics
Two characteristics from the product information are especially relevant when evaluating L-Aspartic Acid for formulation.
L-Form Identity
This material is the L-enantiomer of aspartic acid. Purchasing and quality specifications should identify L-Aspartic Acid where this specific chemical form is required.
Limited Water Solubility
L-Aspartic Acid is slightly soluble in water. For liquid or reconstituted products, dissolution should be evaluated under the intended formulation and processing conditions.
Applications
L-Aspartic Acid Applications
L-Aspartic Acid is used across food and nutrition formulations as well as amino acid ingredient systems. Application suitability depends on the required grade and finished-product specification.
Food & Beverage Formulation
Applicable to food formulation projects where L-Aspartic Acid is used for flavor-related or nutritional purposes.
Nutrition Products
Used in nutritional and amino acid products, including powder blends and other finished dosage formats.
Amino Acid Blends
Can be incorporated into multi-amino-acid formulations at the level defined by the finished product.
Commercial Supply
Bulk L-Aspartic Acid Powder Supply
Commercial supply can be reviewed against your required specification, quantity and destination before an order is confirmed.
Batch Documentation
Request the applicable Certificate of Analysis for the material offered and compare the lot-specific results with your incoming material requirements.
Specification Review
Send any customer specification or additional test requirements with the inquiry so the requested limits can be reviewed for the proposed material.
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For pricing and current supply information, include the commercial and quality details relevant to your order.