L-Serine
L-Ser, 2-Amino-3-hydroxypropanoic Acid
- CAS
- 56-45-1
- EC
- 200-274-3
- Sectors
- Personal Care & Cosmetics, Nutraceuticals & Supplements, Pharma & Healthcare
L-Serine (CAS 56-45-1) is a non-essential amino acid found in proteins, supplied as a white crystalline powder that is highly water soluble with a mild sweetness, and is used in pharmaceuticals, nutraceuticals and cosmetics as a humectant and amino acid supplement.
Typical Properties
| Molecular formula | C3H7NO3 |
|---|---|
| Molecular weight | 105.09 g/mol |
| Appearance | White crystalline powder |
| Form | powder |
| Color | White |
| Odor | wh. cryst. or cryst. powd., odorless, sweet taste |
| Melting point | 228 °C (decomp) |
| Density | 1.6 g/cm³ @ Temp: 22 °C |
| Water solubility | 250 g/L (20 °C) |
| Flash point | 150°C |
| pH | 5-6 (100g/l, H2O, 20°C) |
| HS code | 29225000 |
| Grades available | Cosmetic Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
L-Serine
Applications
Used in pharmaceuticals, nutraceuticals, and cosmetics as a humectant and amino acid supplement. It supports protein synthesis, nerve health, and skin hydration. In biochemical manufacturing, it serves as a precursor for purines and pyrimidines.
Safety & Risks
Non-toxic and stable. Avoid exposure to heat and humidity.
Packaging
Supplied in 25 kg PE-lined paper bags or fiber drums. Store cool, dry, and tightly sealed.