Food safety and quality
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Flavouring |
L-Phenylalanine |
Synonym(s) |
L-alpha-Amino-beta-phenylpropionic acid;L-2-Amino-3-phenylpropionic acid;Aminohydrocinnamic acid |
Latest JECFA evaluation |
2004 (Session 63) |
Status of specification |
Full |
Information required |
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Chemical name |
L-Phenylalanine |
JECFA number |
1428 |
CAS number |
63-91-2 |
FEMA number |
3585 |
COE number |
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FLAVIS number |
17.018 |
Molecular weight |
165.19 |
Chemical formula |
C9H11O2N |
Physical form/odour |
Colourless or white platelike crystals or crystalline powder; odourless |
Solubility |
Soluble in water; Slightly soluble in dilute mineral acid and alkali hydroxide solutions |
Solubility in ethanol |
Slightly soluble |
Boiling point (°C) |
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Assay min % |
98% |
Acid value max |
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Refractive index |
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Specific gravity |
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Other requirements |
mp: 270-275°; Sp.rotation = -17.6 to -18.6° (20°) |
ID Test |
MS |
Spectrum |
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