| Solubility |
| Water |
very soluble |
| Ethanol |
very soluble |
| Methanol |
very soluble |
| Acetonitrile |
slightly soluble |
|
| Appearance |
Slightly grayish, crystalline material of felt-like structure, easily gaining and |
| Melting point range |
164.0 — 165.5 °C (plate), 162.2 — 178.8 °C (capillary) |
| Optical rotation |
[α]D25= +88° (c = 0.8 mg/mL, CHCl3), +97° (c = 0.8 mg/mL, 95 % ethanol) |
| pH value |
1 % aqueous solution has pHbn value 10.561 % aqueous solution has pH value 10.56 |
| Other data |
Material is highly hygroscopic from approx. 50 % RH; it is unstable in acid and neutral milieu. |
