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L-Lysine HCL

CAS No.: 657-27-2
Molecular formular: C6H14N2O2·HCL; C6H15CIN2O2
Molecular weight: 182.65
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Product description
Parameters

L-Lysine HCL

AJI92

USP40

EP6.0

Description

White powder

/

A white or almost white,crystalline powder or colourless crystals

Identification

Conform

Conform

Conform

Solubility

/

/

Freely soluble in water,very slightly soluble in alcohol.

Appearance of solution

/

/

Clarity of solution:10% water solution should be clear

Colour of solution:10% water solution should be not more intensively coloured than reference solution B7 or GY7

Assay

99.0%~100.5%

98.5%~101.5%

98.5-101.0%

pH

5.0~6.0

/

/

Transmittance

≥98.0%

/

/

Loss on drying

≤0.40%

≤0.4%

≤0.5%

Residue on ignition

≤0.10%

≤0. 1%

≤0.1%

Chloride

19.12% ~19.51%

19.0%-19.6%

/

Heavy Metals

≤10ppm

≤15ppm

≤10ppm

Iron

≤10ppm

≤30ppm

≤30ppm

Sulfate

≤0.020%

≤0.03%

≤300ppm

Arsenic

≤1ppm

/

/

Ammonium

≤0.02%

/

≤200ppm

Other amino acids

Conforms

Conforms

/

Pyrogen

Conforms

/

/

Ninhydrin-positive substances (TLC)

/

/

Conform

Specific Rotation

+20.7°~ +21.5°

+20.4~+21.4°

+21.0°~ +22.5°

 


 

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