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L-Ornithine Hydrochloride stands as a crucial amino acid salt in the world of raw materials, recognized by the HS Code 2922422000 for international trade. This compound, with the molecular formula C5H13ClN2O2 and a molar mass of 170.62 g/mol, comes from ornithine by the addition of hydrochloric acid. You find it as a white, odorless solid, with a purity usually ranging above 98%. A sharp melting point, typically around 140°C with decomposition, helps define the product’s stability and purity during quality checks in labs and factories. L-Ornithine Hydrochloride dissolves easily in water, producing clear, colorless solutions, and its solubility plays a central role in processes where fast absorption matters.
Most often encountered as a granular powder, crystalline solid, or fine flakes, L-Ornithine Hydrochloride reflects the diversity of forms that chemical companies offer to meet different applications. Its density comes to about 1.3 g/cm³, letting manufacturers handle it easily and with minimal loss due to dusting or caking. Pouring a scoop of these fine granules brings to mind the texture of salt or sugar, which aids in measuring and mixing. In some larger-scale operations, factories might request pearls or larger crystals if processing calls for minimal airborne powder. No matter the form, it remains free-flowing and resists clumping under dry conditions, so storage and transport offer fewer headaches. I’ve seen firsthand how the right particle size supports reliable dosing in pharmaceutical reactors, or in nutritional supplement blending, where consistency truly matters.
The molecular structure of L-Ornithine Hydrochloride sets it apart. With an amino group on both the alpha and delta carbons, this non-proteinogenic amino acid salt provides a backbone for urea cycle reactions in biochemistry settings. An extra hydrochloride group brings stability and improves shelf life—a relief for anyone running batch processes requiring months of storage. The presence of both hydrophilic and mildly acidic sites on this molecule makes it an excellent intermediate for peptide synthesis or functional foods. Companies value it for its role in cell culture media, sporting nutrition, and even certain chemical syntheses. Careful molecular control ensures consistent reactivity batch-to-batch, which means less troubleshooting and waste.
Specifications define the market. Purity is usually set above 98%, as any lower can interfere with chemical processes or regulatory approval in food and pharma manufacturing. Water content hovers around 0.5% at most, so the product remains stable under standard storage. The product typically shows negative results for heavy metals and is screened for microbial contamination, which supports its use in sensitive applications. Packing L-Ornithine Hydrochloride in sealed, moisture-proof containers prevents clumping or degradation. Each batch comes with certificates of analysis detailing pH values, appearance, and solubility, because industries demand transparency and traceability.
Like any fine chemical, L-Ornithine Hydrochloride deserves respect. Mildly irritating to skin, eyes, and mucous membranes, standard GMP facilities employ gloves, dust masks, and local extractor fans when moving or weighing it by the kilo. Information in the Safety Data Sheet (SDS) lists this compound as not specifically hazardous or acutely harmful—its LD50 is relatively high, so risks mainly involve dust inhalation and accidental ingestion. Because it reacts with strong oxidants or acids, the right protocols ensure workplace safety. During my career, clear training and well-labeled containers reduced near-misses. And in case of accidental spills, vacuuming and damp wiping prevent dust clouds or accidental exposure.
In practical terms, L-Ornithine Hydrochloride enters the world of nutritional supplements, medical treatments, and biological research as a raw material for further transformation. Its role in synthesizing polyamines and detoxifying ammonia in the urea cycle pushes it into clinical nutrition or wellness products. Many manufacturers choose this hydrochloride salt for faster and more stable solubility compared to free ornithine. Sports nutrition brands embrace it for claims of faster recovery and improved muscle repair, due to its underlying biological role. Chemical industries turn to it for short peptide construction, as the purity and structure supply reliable building blocks for new research molecules. Each use brings new requirements for specs and handling, which means a flexible and reliable supply chain stands as priority number one.
Supply chains for L-Ornithine Hydrochloride face two big hurdles: purity drift and particle stability. Water, impurities, or uncontrolled particle sizes risk incomplete reactions or inaccurate mixing—all problems I’ve helped troubleshoot on production floors. Strict quality controls, including real-time monitoring and smarter packaging, go a long way toward consistency. Advances in crystallization and drying technology let manufacturers offer cleaner, drier, and more uniform product, while digital batch tracking helps trace any issue back to its origin. Regulatory scrutiny keeps everyone vigilant from producer to end user, and open communication with suppliers helps stay ahead of purity problems before they slow down the line.
