半岛bd体育手机客户端 说明
一般描述
for biochemistry
应用
Vitamin B?? for biochemistry. CAS 68-19-9, pH 6.0 (1 g/l, H?O, 20 °C).
分析说明
Assay (photometric, calculated on dried substance)97.0 - 100.0 %Identity (IR-spectrum)conformsAbsorption ratio (A 361?nm/278?nm)1.70 - 1.88Absorption ratio (A 361?nm/550?nm)3.15 - 3.40Absorption ratio (A 351?nm/361?nm)0.57 - 0.65Acetone (HS-GC)≤ 5000 ppmOther residual solvents (ICH Q3C)excluded by production processRelated substances (HPLC)≤ 3.0 %Loss on Drying (105 °C)≤ 4.0 %
基本信息
| 分子量 | 1355.37 |
| EC索引号 | 200-680-0 |
半岛bd体育手机客户端 性质
| 质量水平 | 100 |
| 形式 | solid |
| pH值(酸碱度) | 6.0 (20 ℃, 1 g/L in H2O) |
| mp | >300 ℃ |
| 溶解性 | 12 g/L |
| 堆积密度 | 450?600 kg/m3 |
| 储存温度 | 15-25℃ |
安全信息
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 1 |
Sigma-Aldrich
m.cnreagent.com
