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L-Lysine Base
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L-Lysine Base

CAS NO. 56-87-1
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amino acids Food Additive nutrition ingredients
Product Description
Industrial Applications
ParameterTechnical Specification
Product NameL-Lysine Base
CAS Number56-87-1
IUPAC Name(S)-2,6-Diaminohexanoic acid
Molecular FormulaC₆H₁₄N₂O₂
Molecular Weight146.19 g/mol
AppearanceWhite to pale yellow crystalline powder
Assay (titration, dry basis)≥ 98.0%
pH (5% aqueous solution)6.0 – 7.0
Total Impurities≤ 1.0%
Loss on Drying≤ 1.0%
Standard Packaging25 kg fiber drum
Storage ConditionsSealed, dry, ambient temperature; protect from moisture
DocumentationCoA, SDS available on request

✓ Each shipment of L-Lysine Base is supplied with a lot-specific Certificate of Analysis (CoA). Material is supplied for industrial, feed, and research applications; buyer is responsible for verifying suitability for the buyer's intended use.

Industrial Applications of L-Lysine Base (CAS 56-87-1)

L-Lysine Base (CAS 56-87-1) is the free-base form of the essential amino acid L-lysine, supplied by Nexal Inc. as a white to pale yellow crystalline powder with assay ≥ 98.0%. The applications described below reflect long-established, public-domain uses of L-lysine across the feed, food, and chemical industries. Material is supplied for industrial and research use; the buyer is responsible for verifying suitability for the buyer's specific application.
• Animal Feed & Livestock Nutrition
L-Lysine has been used as a supplemental amino acid in monogastric animal nutrition since the 1960s, helping to balance the amino acid profile of cereal-based feed where lysine is the first-limiting amino acid. The free-base form is used where the chloride content of L-Lysine HCl is undesirable in the formulation.
End Products: swine feed premixes, poultry feed concentrates, aquaculture feed, custom amino acid premixes, low-chloride feed formulations.
• Food Fortification & Plant Protein Applications
L-Lysine is a long-recognized fortification ingredient used to improve the amino acid profile of cereal- and plant-based foods. Food-ingredient use is a well-established class of application across the food technology industry. Buyers using the material in food applications are responsible for confirming that their finished product meets all applicable food regulations in their jurisdiction.
End Products: bakery and cereal fortification blends, plant-based protein products, pasta and noodle enrichment, breakfast cereal premixes, food technology research formulations.
• Industrial & Research Synthesis
The free-base form provides a convenient amino acid building block for laboratory and industrial chemistry where chloride-free conditions are required. Both amine groups (α-amino and ε-amino) and the carboxyl group offer reactive sites for synthetic modification.
End Products: peptide synthesis intermediates, polymer chemistry research reagents, analytical reference materials, custom organic synthesis projects, chelating agent precursors, surface-modification chemistry studies.
Free-Base vs. HCl Salt: Unlike L-Lysine Hydrochloride, the free-base form contains no chloride counter-ion, giving it a mildly alkaline character (pH 6.0 – 7.0 in 5% aqueous solution) and making it the preferred choice in formulations where chloride interferes with the system or where pH adjustment of the lysine source is required.
Product Description
Industrial Applications

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Nexal Inc. is a U.S.-based chemical distribution company dedicated to serving the American market with high-quality intermediates, food additives, and specialty chemicals.
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