USP/AJI Grade L-Citrulline Powder – Bulk Amino Acid Supplier
L-Citrulline is a non-protein amino acid supplied as a high-purity crystalline powder for sports-nutrition and wellness formulations.
1. High assay 98.5%–101.0% on dried basis
2. White crystals or crystalline powder; passes 40 and 80 mesh sieves
3. Specific optical rotation +24.5° to +26.8°
4. Tight impurity limits: chloride ≤0.02%, sulfate ≤0.02%, ammonium ≤0.02%
5. Low heavy metals: iron ≤10 ppm, lead ≤10 ppm, arsenic ≤1 ppm
L-Citrulline Powder Description
AccoBio supplies L-Citrulline (CAS: 372-75-8, C6H13N3O3) as a high-purity crystalline amino acid powder produced under certified quality systems. It is converted to L-arginine in the body, supporting nitric oxide metabolism, blood flow, and muscle repair. As a bulk supplier, we serve global sports-nutrition and wellness brands with reliable supply and consistent powder quality.
L-Citrulline Technical Data Sheet
CAS: 372-75-8 | Molecular Formula: C6H13N3O3 | Packing: Bulk; custom packaging on request
| Test Item | Specification | Method |
| Characters | White crystals or crystalline powder | Visual |
| Identification | Conforms | AJI |
| Specific Optical Rotation [α]D20℃ | +24.5°~+26.8° (on dried basis) | AJI TEST 1 |
| State of Solution | NLT 98.0% | AJI TEST 2 |
| Chloride | NMT 0.02% | AJI TEST 3A-1 |
| Ammonium (NH4) | NMT 0.02% | AJI TEST 4A-1 |
| Sulfate | NMT 0.02% | AJI TEST 5(1) |
| Arsenic | NMT 1 ppm | AJI TEST 8(1) |
| Iron (Fe) | NMT 10 ppm | AJI TEST 6 |
| Loss on Drying | NMT 0.3% | AJI TEST 11 |
| Residue on Ignition | NMT 0.1% | AJI TEST 13 |
| Heavy Metals (Pb) | NMT 10 ppm | AJI TEST 7(1) |
| Assay | 98.5%~101.0% (on dried basis) | AJI TEST 15B |
| pH | 5.0~7.0 | AJI TEST 33 |
| Particle Size | Pass 40 Mesh; Pass 80 Mesh | Sieving |
| Shelf Life | 2 years | — |
| Storage | Store in cool, dry place; preserve in tight container | — |
L-Citrulline Applications
- Pre-Workout & Pump Formulas — Powders, capsules, and stick packs targeting muscle pumps and endurance.
- Recovery & Amino Acid Blends — EAA/BCAA stacks and post-training formulas.
- Heart Health & Circulation Products — Capsules and tablets positioned for vascular support.
- Functional Sports Beverages — RTDs, effervescent drinks, and hydration mixes.
