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L-Carnitine Fumarate comes together through bonding of L-Carnitine with fumaric acid, resulting in a stable compound that blends the physical and chemical qualities of its two primary building blocks. The substance presents itself as a solid in most environments, ranging visually from white crystalline powder to slightly off-white granules or flakes, depending on the production batch. Texture feels dry and flowable, resisting clumping when kept away from moisture. Solubility in water stands out, paving the way for rapid dissolution and easy preparation for oral or liquid applications. As a raw material, the combination supports endurance, metabolism, and energy through its connection to fatty acid oxidation inside the body, making it valuable in food, pharmaceutical, and supplement industries.
Formed from a 2:1 ratio of L-Carnitine to fumaric acid, the molecular formula writes as C10H18NO4. L-Carnitine portion brings its zwitterionic nature, which helps solubility and compatibility across formulations. Fumarate acts not just as a stabilizer but also adds to the metabolic impact since it is part of the citric acid cycle. L-Carnitine Fumarate stays stable under normal storage conditions, showing a shelf life that exceeds two years if sealed away from direct sunlight, moisture, and heat. With a molecular weight of 234.25 g/mol and an HS Code commonly used in customs documentation to recognize it as a supplement raw material, shippers and buyers keep traceability straightforward. Specific density registers roughly 1.2 g/cm3, meaning it sits heavier than many common organics but not overly dense for simple handling.
In practice, the substance often appears as a free-flowing powder. Sometimes manufacturers offer it as larger flakes or pearls, which come in handy for blending in tablet mixes or for use in food production. For those looking for convenient dosing in liquid forms, its high water solubility makes it possible to create clear solutions without risk of sedimentation or crystallization. No matter the form, purity standards rest at 98% and above, supported by HPLC or GC lab verification methods. Pharmaceutical-grade batches reach even higher benchmarks, targeting the strictest applications.
A close look at the fine crystals under bright light reveals their uniform sparkle, an easy visual marker for purity. Handling brings a mild tart smell, a hint of its chemical backbone but lacking any harsh or dangerous fumes. The granules pour smoothly, help accurate weighing and formulation at both laboratory and industrial scale. For powder forms, particle size stays within the 40-80 mesh range, leading to even mixing and avoiding issues such as caking or sticking, which would otherwise complicate production. Density as a powder allows for easy storage, whether in drums, bags, or lined containers.
Using L-Carnitine Fumarate does not pose major hazards under recommended handling, although any fine organic powder needs precautions to avoid dust inhalation. Material Safety Data Sheets highlight the low acute toxicity of both components. Workers need gloves and dust masks when handling bulk shipments. Storage in clean, dry environments, away from volatile chemicals or acids, keeps risks at bay. The compound does not act as a major irritant or sensitizer. In case of accidental spills, sweeping up and disposal as non-hazardous solid waste fits most local regulations. Direct ingestion, outside of product formulations, and eye or open-wound contact should be avoided, aligning with universal chemical safety practices across laboratories and manufacturing settings.
The real strength of L-Carnitine Fumarate lies in its bioavailability, a property that links back to its structure and physical state. Unlike straight L-Carnitine, the fumarate form brings both stability and added health value. Through careful processing, it keeps its molecular integrity; manufacturers rarely find degradation products or byproducts typical of low-quality batches in a high-standard supply chain. Chemically, the carboxyl and amino groups on the L-Carnitine base allow easy transformation into supplements, energy drinks, sports nutrition products, and clinical nutrition blends. As a raw material, formulation scientists value its predictable behavior and reactivity—no surprise interactions, no strange clumping or unpleasant taste issues that complicate consumer use.
Anyone using L-Carnitine Fumarate on an industrial scale can look toward improved air handling, investing in dust extraction and closed system transfer. For small-scale labs and supplement producers, choosing pre-measured, sealed packs reduces exposure and cross-contamination. On the regulatory side, suppliers regularly update safety documentation and certification, including adherence to REACH, GMP, and HACCP requirements to protect workplaces and consumers. Formulators wanting higher safety margins can request powder with larger average particle size or granulated batches, which further cut down dust concerns. Both the pharmaceutical sector and sports nutrition industry keep pushing for advancements, such as single-dose pearl delivery or ready-to-mix liquid ampoules relying on the strong solubility profile and reliable thermal stability of L-Carnitine Fumarate.
L-Carnitine Fumarate’s long-term popularity as a raw material comes from a combination of technical reliability and demonstrated benefit across physical applications. Companies needing a trusted backbone for energy and metabolism support turn here, drawn by clarity of physical characterization and ease of integration into new product lines. As ingredient science continues to progress, this compound stays relevant through a robust set of properties—predictable density, solid safety margins, flexible form factors, straightforward handling, and internationally recognized HS Code traceability—allowing innovation from bulk powder all the way through to advanced delivery formats.
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
