L-Citrulline – Technical Data Sheet (TDS)
Product Name: L-Citrulline
CAS Number: 372-75-8
Molecular Formula: C₆H₁₃N₃O₃
Molecular Weight: 175.18 g/mol
Grade: Food Grade / Industrial Grade
Batch No.: LC20251031
Manufacturing Date: 2025-10-31
Expiry Date: 2027-10-30
1. Product Description
L-Citrulline is a naturally occurring non-essential amino acid. It is widely used in dietary supplements, functional foods, beverages, and also in industrial applications such as fermentation processes and chemical synthesis.
2. Specifications
| Property | Food Grade | Industrial Grade | Method |
|---|
| Appearance | White Crystalline Powder | White Crystalline Powder | Visual |
| Odor & Taste | Characteristic | Characteristic | Organoleptic |
| Mesh Size | 100% pass 80 mesh | 100% pass 80 mesh | Sieve Analysis |
| Moisture | ≤ 1.0% | ≤ 1.5% | Karl Fischer / Loss on Drying |
| Ash | ≤ 0.5% | ≤ 1.0% | Gravimetric |
| Assay (L-Citrulline) | ≥ 99% | ≥ 98% | HPLC |
| Heavy Metals | ≤ 10 ppm | ≤ 20 ppm | ICP-MS / AAS |
| Lead (Pb) | ≤ 2 ppm | ≤ 5 ppm | ICP-MS |
| Arsenic (As) | ≤ 1 ppm | ≤ 3 ppm | ICP-MS |
| Cadmium (Cd) | ≤ 1 ppm | ≤ 2 ppm | ICP-MS |
| Mercury (Hg) | ≤ 0.1 ppm | ≤ 0.5 ppm | ICP-MS |
| Total Plate Count | ≤ 1000 CFU/g | Not required | AOAC |
| Yeast & Mold | ≤ 100 CFU/g | Not required | AOAC |
| E.coli | Negative | Not required | AOAC |
| Salmonella | Negative | Not required | AOAC |
3. Physical & Chemical Properties
Solubility: Freely soluble in water, slightly soluble in ethanol
pH (1% solution): 6.0 – 7.5
Melting Point: 182 – 185 °C
Optical Rotation: +27° to +32° (c=5, H₂O)
4. Applications
Food Grade:
Nutritional supplements and sports nutrition products
Functional beverages and energy drinks
Fortified foods and amino acid formulations
Industrial Grade:
Fermentation and biotechnological processes
Pharmaceutical intermediates
Cosmetic formulations
5. Storage & Handling
Store in a cool, dry, well-ventilated place
Keep container tightly closed, away from moisture and direct sunlight
Shelf life: 2 years from manufacturing date
6. Remarks
Complies with relevant food safety and industrial standards
Free from Salmonella, E.coli, and heavy metal contamination (for food grade)
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