| Product Name | DL-Histidine, Free Base |
| CAS No. | 4998-57-6 |
| Synonyms | histidine, homopolymer; hydrogen histidinate; Polyhistidine; DL-Histidine; H-DL-His-OH |
| InChI | InChI=1/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11) |
| Molecular Formula | C6H9N3O2 |
| Molecular Weight | 155.1546 |
| Density | 1.423g/cm3 |
| Melting point | 280-290℃ (dec.) |
| Boiling point | 458.9°C at 760 mmHg |
| Flash point | 231.3°C |
| Refractive index | 1.614 |
| Safety | S22:; S24/25:; |
4998-57-6 dl-histidine, free base
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