Food safety and quality
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Flavouring |
L-Histidine |
Synonym(s) |
L-alpha-Amino-4(or 5)-imidazolepropionic acid;2-Amino-3(4-imidasyl)propionic acid |
Latest JECFA evaluation |
2004 (Session 63) |
Status of specification |
Full |
Information required |
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Chemical name |
L-Histidine |
JECFA number |
1431 |
CAS number |
71-00-1 |
FEMA number |
3694 |
COE number |
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FLAVIS number |
17.008 |
Molecular weight |
155.16 |
Chemical formula |
C6H9O2N3 |
Physical form/odour |
White crystals or crystalline powder; odourless |
Solubility |
Soluble in water; Insoluble in ether |
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: 282°; Sp.rotation = +37.5 to +39.5° (25°) |
ID Test |
MS |
Spectrum |
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