L-Phenylalanine

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L-Phenylalanine

CAS NO.： 63-91-2

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Product Detail

Properties

L-Phenylalanine

CAS No. : 63-91-2

Molecular formular: C₂H₁₁NO₂

Molecular weight: 165.19

L-Phenylalanine	EP6	AJI92	USP40
Description	A white or almost white,crystalline powder,or shiny,white flakes	White crystals or crystalline powder	White crystals or crystalline powder
Solubility	Sparingly soluble in water,very slightly soluble in alcohol.It dissolves in dilute mineral acids and in dilute solutions of alkali hydroxides	/	/
Appearance of solution	Clarity of solution:5% water solution should be clear	/	/
Appearance of solution	Colour of solution:5% water solution should be not more intensely coloured than reference solution BY6	/	/
Identification	Conforms	Conforms	Conforms
Assay	98.5-101.0%	99.0%～100.5%	98.5%~101.5%
pH	/	5.4~6.0	5.5~7.0
Transmittance	/	≥98.0%	/
Loss on drying	≤0.5%	≤0.20%	≤0.3%
Residue on ignition	≤0.1%	≤0.10%	≤0.4%
Ninhydrin-positive substances (TLC)	Conforms	/	/
Chloride	≤200ppm	≤0.020%	≤0.05%
Heavy Metals	≤10ppm	≤10ppm	≤15ppm
Lead	/	/	/
Iron	≤10ppm	≤10ppm	≤30ppm
Sulfate	≤300ppm	≤0.020%	≤0.03%
Endotoxin	/	/	/
Arsenic	/	≤1ppm	/
Ammonium	≤200ppm	≤0.02%	/
Other amino acids	/	Conforms	Conforms
Pyrongen	/	Conforms	/
Specific Rotation	-33.0°～ -35.5°	-33.5°~ -35.0°	-32.7°~-34.7°

Properties

L-Phenylalanine is one of the twenty common amino acids. It is a powder solid at room temperature. L-Phenylalanine is an essential amino acid. Because the benzene ring at one end of the molecule is hydrophobic, L-phenylalanine is classified as a nonpolar molecule. L-Phenylalanine is an electrically neutral amino acid, and "uuu" and "UUC" are its codons. L-Phenylalanine is the precursor of tyrosine, dopamine, norepinephrine, epinephrine and melanin. L-Phenylalanine is found naturally in mammalian milk. It is used in the manufacture of food and beverage products and is sold as a nutritional supplement with its famous analgesic and antidepressant effects. It is a direct precursor of phenylethylamine, a neuromodulator, and a common dietary supplement. The human body cannot synthesize phenylalanine by itself, so it must be taken from the diet. Generally, L-phenylalanine is produced by plants. Therefore, the main use of this product is for functional food additives.

CAS No.

63-91-2

Formula

C9H11NO2

Molecular Mass

165.18900

Exact Mass

165.07900

PSA

63.32000

Logp

1.34130