Description

L-Lysine Hydrochloride is the hydrochloride salt of the essential amino acid L-Lysine, a critical building block for protein synthesis. It is a vital nutritional supplement used to enhance the biological value of proteins in feed and food, ensuring optimal growth and health. This high-purity ingredient is essential for manufacturers in the animal nutrition, food fortification, and pharmaceutical industries, where consistent quality and reliable supply are paramount. Its CAS number is 657-27-2.

Application

• Animal Feed Additive: Primary use as a limiting amino acid in swine, poultry, and aquaculture diets to improve feed efficiency, promote lean muscle growth, and reduce nitrogen excretion.
• Human Nutrition & Food Fortification: Used in dietary supplements, infant formula, cereal fortification, and protein drinks to correct lysine deficiencies and enhance protein quality.
• Pharmaceutical Intermediates: Serves as a key raw material or chiral building block in the synthesis of various active pharmaceutical ingredients (APIs) and parenteral nutrition solutions.
• Cell Culture Media: An essential component of microbiological media and cell culture formulations used in biotechnological research and production.
• Cosmetic & Personal Care: Incorporated into hair and skin care products for its moisturizing and conditioning properties.

Basic Information

Product Name	L-Lysine Hydrochloride
CAS No.	657-27-2
Molecular Formula	C6H14N2O2 • HCl
Molecular Weight	182.65 g/mol
Synonyms	L-Lysine HCl; Lysine Hydrochloride; (S)-2,6-Diaminohexanoic acid hydrochloride; H-Lys-OH • HCl; Lysine monohydrochloride; (S)-Lysine hydrochloride; Feed Grade Lysine HCl; Amino acid L hydrochloride
EINECS	211-519-9

Quality Control

Our L-Lysine Hydrochloride is manufactured under a strict quality management system. It is produced to meet or exceed relevant industry standards, including FCC (Food Chemicals Codex) and Feed Grade specifications. Every batch undergoes rigorous analytical testing for identity, purity, and safety parameters. A comprehensive Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in its original, sealed packaging until use to prevent caking and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (on dried basis)	98.5% - 101.5%
Specific Rotation [α]20/D	+20.4° to +21.4°
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 0.2%
Heavy Metals (as Pb)	≤ 10 ppm
pH (5% solution)	5.0 - 6.0

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.