USP Grade L-Arginine HCl Powder – Bulk Amino Acid Supplier
L-Arginine HCl is a highly bioavailable salt form of the conditionally-essential amino acid L-arginine, supplied as a crystalline powder for supplement manufacturing.
1. High assay 98.5%–101.5% with tight chloride specification (16.50%–17.10%)
2. White crystal or crystalline powder for easy handling and blending
3. Specific rotation +21.4° to +23.6° confirms enantiomeric purity
4. Low heavy-metal limits: Pb ≤3 ppm, As ≤1 ppm, Cd ≤1 ppm, Hg ≤0.1 ppm
5. GMP, ISO 22000 & HACCP certified manufacturing with batch COAs
L-Arginine HCl Powder Description
AccoBio supplies L-Arginine HCl (CAS: 1119-34-2, C6H15ClN4O2) as a high-purity crystalline amino acid salt manufactured under certified quality systems. The hydrochloride form improves solubility and gastric stability compared to the free base, making it suitable for a range of finished-dose formats. As a bulk supplier to global sports-nutrition and wellness brands, we provide reliable supply, consistent particle quality, and custom formulation support.
L-Arginine HCl Technical Data Sheet
CAS: 1119-34-2 | Molecular Formula: C6H15ClN4O2 | Packing: Bulk; custom packaging on request
| Test Item | Specification | Method |
| Appearance | White crystal or crystalline powder | Visual |
| Identification | IR consistent with standard atlas | IR |
| Specific Rotation [α]D20℃ | +21.4°~+23.6° | Polarimetry |
| Sulfate (SO4) | NMT 0.03% | USP<221> |
| Chloride (Cl) | 16.50%~17.10% | Titration |
| Lead (Pb) | NMT 3 ppm | AAS |
| Arsenic (As) | NMT 1 ppm | AAS |
| Cadmium (Cd) | NMT 1 ppm | AAS |
| Mercury (Hg) | NMT 0.1 ppm | AAS |
| Total Plate Count | NMT 1000 cfu/g | USP<61> |
| Any Other Impurity | NMT 0.5% | HPLC |
| Total Impurity | NMT 2.0% | HPLC |
| Loss on Drying | NMT 0.20% | USP<731> |
| Residue on Ignition | NMT 0.10% | USP<281> |
| Assay | 98.5%~101.5% | Titration |
| Shelf Life | 24 months | — |
| Storage | Store in cool, dry place away from moisture and light | — |
L-Arginine HCl Applications
- Pre-Workout & Performance Powders — Drink mixes, shot formulas, and pre-workout blends requiring rapid dissolution.
- Nitric Oxide Support Supplements — Capsules and tablets positioned for circulation and vascular health.
- Amino Acid Complexes — EAA/BCAA stacks, recovery formulas, and protein fortification systems.
- Functional Beverages — Sparkling drinks, RTDs, and hydration formulas with clean solubility.
