MercK L-Lysine monohydrochloride

MercK L-Lysine monohydrochloride

Description

L-Lysine monohydrochloride is a laboratory amino-acid material supplied in EMPROVE® EXPERT grade for preparation, analytical and quality-control workflows requiring this hydrochloride form and pharmacopoeial requirements.

Key Features

• EMPROVE® EXPERT grade corresponding to Ph Eur, BP, JP and USP requirements.
• White to almost white fine powder.
• Identity assessed by infrared spectrum, chloride testing and specific rotation.
• Assay determined by perchloric acid titration on the dried substance.
• Defined solution appearance, pH, specific rotation, impurity and microbiological criteria.

Applications

• Pharmacopoeial quality-control workflows referencing Ph Eur, BP, JP or USP requirements.
• Preparation and testing of aqueous laboratory solutions.
• Formulation or additive workflows where L-lysine monohydrochloride with defined compendial quality is specified.

Specifications

• CAS number: 657-27-2.
• EC number: 211-519-9.
• Hill formula: C₆H₁₅ClN₂O₂.
• Molar mass: 182.65 g/mol; grade: Ph Eur, BP, JP, USP; quality level: MQ500.Àssay: 98.5–101.0%, calculated on the dried substance by perchloric acid titration; pH: 5.0–6.0 at 100 g/L in CO₂-free water at 25 °C; specific-­