L-Fenylalanin
Molecular Formula: C9H11NO2
Molecular Weight: 165.19
CAS No.: 63-91-2
E-postadress: info@standard-groups.com
Innehåll
Product name:
L-Phenylalanine
It is an organic compound with a white crystalline powder. Mainly used for biochemical research, preparation of culture media, and nutritional research.
Description
It occurs as colorless or white, platelike crystals or as a white crystalline powder. One gram is soluble in about 35 mL of water. It is slightly soluble in alcohol, in dilute mineral acids, and in alkali hydroxide solutions. It melts with decomposition at about 283°. The pH of a 1:100 aqueous solution is between 5.4 and 6.0.
Application
It is the main raw material of Aspartame, one of the essential amino acids in the human body. It is mainly used in the pharmaceutical industry for amino acid infusion and amino acid drugs. It can also be used as a nutritional supplement.
Specification
Appearance
White or almost white crystalline powder, or shiny white flakes
Appearance of solution
Clear and not more intensely colored than reference solution BY6
Assay
98.5-101.0%
Specific optical rotation
-33.0°- -35.5°
Ninhydrin-positive substances
Any impurity ≤ 0.5%
Chloride
≤0.02%
Sulfate
≤0.03%
Ammonium
≤0.02%
Iron
≤ 10ppm
Heavy metals
≤ 10ppm
Lead
≤ 5ppm
Loss on drying
≤0.5%
Residue on ignition
≤0.10%
PH
5.4-6.0
Packing
25kg/drum or as per requirement.
Storage
Store in a cool dry place and protected from light.
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