L-Histidine Hydrochloride
L-Histidine HCl
- CAS
- 5934-29-2
- EC
- 611-821-4
- Sectors
- Pharma & Healthcare, Personal Care & Cosmetics
L-Histidine Hydrochloride (CAS 5934-29-2) is the hydrochloride salt form of the amino acid histidine, supplied as white crystals or crystalline powder that dissolve readily in water, and it is used in medical nutrition, fermentation media and cosmetic formulations for buffering and skin conditioning.
Typical Properties
| Molecular formula | C6H9N3O2.ClH.H2O |
|---|---|
| Molecular weight | 209.63 g/mol |
| Appearance | White crystals or crystalline powder |
| Form | Solid |
| Color | White |
| Odor | odorless |
| Melting point | 254 °C (decomp) |
| Density | 1.49 g/cm3 |
| Water solubility | 169.9 g/L (20 °C) |
| pH | 3.5-4.5 (100g/l, H2O, 20°C) |
| GHS signal word | Warning · Irritant / harmful |
| HS code | 29332990 |
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-Histidine Hydrochloride
Applications
Used in medical nutrition and fermentation media. In cosmetics, it provides buffering capacity and skin-conditioning benefits.
Safety & Risks
Non-toxic and chemically stable; store away from moisture and sunlight.
Packaging
Supplied in 25 kg PE-lined drums or bags. Store cool, dry, and sealed.