货号
产品规格
售价
备注
BN20081-25g
25g
¥40.00
BR,≥99%
BN20081-100g
100g
¥80.00
BR,≥99%
BN20081-250g
250g
¥140.00
BR,≥99%
BN20081-500g
500g
¥240.00
BR,≥99%
分子式 | C11H12N2O2 |
分子量 | 204.23 |
EINECS号 | 200-795-6 |
熔点 | 289-290 °C (dec.)(lit.) |
比旋光度 | -31.1 º (c=1, H20) |
沸点 | 342.72°C (rough estimate) |
密度 | 1.34 |
折射率 | -32 ° (C=1, H2O) |
溶解度 | 20% NH3: 0.1 g/mL at 20 °C, clear, colorless |
形态 | powder |
酸度系数(pKa) | 2.46(at 25℃) |
颜色 | White to yellow-white |
水溶解性 | 11.4 g/L (25 ºC) |
旋光性 (optical activity) | [α]20/D 31.5±1°, c = 1% in H2O |
稳定性 | Stable. Incompatible with strong acids, strong oxidizing agents. |
PH值 | 5.5-7.0 (10g/l, H2O, 20℃) |