L-Hydroxyproline
L-Hyp
- CAS
- 51-35-4
- EC
- 200-091-9
- Sectors
- Personal Care & Cosmetics, Pharma & Healthcare, Nutraceuticals & Supplements
L-Hydroxyproline (CAS 51-35-4) is a non-standard amino acid formed by hydroxylation of proline and a key component of collagen and connective tissue, occurring as a white crystalline powder used in pharmaceutical, cosmetic and nutritional supplement applications.
Typical Properties
| Molecular formula | C5H9NO3 |
|---|---|
| Molecular weight | 131.13 g/mol |
| Appearance | White crystalline powder |
| Form | Crystals or Crystalline Powder |
| Color | White |
| Odor | Odorless |
| Melting point | 274 °C |
| Density | 1.478 g/cm³ |
| Water solubility | 357.8 g/L (20 º C) |
| pH | 5.5-6.5 (50g/l, H2O, 20°C) |
| GHS signal word | Warning · Irritant / harmful |
| HS code | 29339990 |
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.
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L-Hydroxyproline
Applications
Used in pharmaceuticals, cosmetics, and nutritional supplements for skin elasticity and tissue repair. Industrially, it aids in peptide synthesis.
Safety & Risks
Non-toxic and stable. Protect from humidity and excessive light.
Packaging
Supplied in 25 kg drums or PE-lined bags. Store cool, dry, and sealed.