L-Carnitine L-Tartrate
CAS No: 36687-82-8
Molecular Formula: C₇H₁₄N₄O₆
Molecular Weight: 218.2 g/mol
1. Product Description
L-Carnitine L-Tartrate is a crystalline salt of L-carnitine and tartaric acid. It is a white to off-white crystalline powder, hygroscopic, and freely soluble in water. It is widely used as a dietary supplement ingredient, particularly in sports nutrition, weight management products, and clinical nutrition.
2. Specifications – Food / Nutraceutical / Pharmaceutical Grade
| Item | Specification / Typical Value | Method / Notes |
|---|
| Appearance | White to off-white crystalline powder | Visual |
| Identification | Positive for L-Carnitine and L-Tartrate | USP / FCC |
| Assay (C₇H₁₄N₄O₆, on dry basis) | 97.0 – 102.0 % | HPLC |
| L-Carnitine Content | 68 – 72 % | HPLC |
| Loss on Drying (105 °C) | ≤ 1.5 % | USP |
| pH (1 % solution) | 4.0 – 6.0 | 25 °C |
| Heavy Metals (as Pb) | ≤ 10 ppm | USP <231> |
| Lead (Pb) | ≤ 2 ppm | ICP |
| Arsenic (As) | ≤ 1 ppm | ICP |
| Cadmium (Cd) | ≤ 1 ppm | ICP |
| Mercury (Hg) | ≤ 1 ppm | ICP |
| Residual Solvents | Compliant with USP / EP limits | GC |
| Solubility | Freely soluble in water; practically insoluble in ethanol | Visual |
| Microbiological Limits | Total Plate Count ≤ 10³ cfu/g; Yeast & Mold ≤ 10² cfu/g; E. coli, Salmonella negative | ISO / USP |
3. Specifications – Industrial / Technical Grade
| Item | Specification / Typical Value |
|---|
| Appearance | White to off-white crystalline powder |
| Assay (C₇H₁₄N₄O₆) | ≥ 95.0 % |
| Moisture | ≤ 2.0 % |
| Water-Insoluble Matter | ≤ 0.1 % |
| Heavy Metals (as Pb) | ≤ 20 ppm |
Typical Applications:
Dietary supplements and sports nutrition formulations
Pharmaceutical formulations for metabolic support
Research and biochemical studies
4. Physical & Chemical Properties
Appearance: White to off-white crystalline powder
Taste: Slightly sweet, mildly salty
Solubility: Freely soluble in water; insoluble in ethanol
Hygroscopicity: Absorbs moisture; store in dry conditions
Stability: Stable under recommended storage; sensitive to prolonged heat and humidity
5. Storage & Handling
Store in a cool, dry, well-ventilated place
Keep container tightly closed to avoid moisture and contamination
Avoid direct sunlight and high temperature
Follow GMP / HACCP protocols for food and pharmaceutical use
6. Packaging
Food / Pharma Grade: 25 kg fiber drum or multi-layer paper bag with polyethylene liner
Industrial / Technical Grade: 25 kg woven bag or jumbo bag
For more information, please visit this website：https://www.khonorchem.com
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