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Sialic acid

Brief introduction:

Bird's nest acid is an important component of oligosaccharides, glycolipids and glycoproteins, which are widely distributed in human brain, nerve tissue, blood and emulsion. In 2017, China approved sialic acid as a new food raw material, and in the same year, the European Union authorized sialic acid to be put on the market as a new food ingredient. In 2021, bird's nest acid was successfully filed with the State Food and Drug Administration as a new raw material for cosmetics.


Basic Information:
Alias Sialic acid, N-acetylneuraminic acid
English name Sialic acid、N-acetylneuraminic acid(Neu5Ac)
Molecular formula C11H19NO9
Structural formula
CAS number 131-48-6
Molecular weight 309.27
Appearance White powder
density 1.6±0.1 g/cm3
Melting point 184-186℃
Specific Rotation -30.0°~-34.0°
Preservation method Store at room temperature, sealed, dry and protected from light
Solubility Soluble in water to 50 g/L (20°C)
Content ≥98%
Shelf life 24 months
Efficacy & Applications:

As an important component of neurotrophic factors to improve brain gangliosides, it has a wide range of applications in the food field; It is used in cosmetics as an anti-wrinkle agent, antioxidant, skin protector, and moisturizer.


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