L-组氨酸 98%
3401, Plastic bottle, 100 g
Jump to:
Product Details & Documents
同义词: (S)-2-氨基-3-(4-咪唑基)丙酸
- CAS号:71-00-1
- 化学式:C₆H₉N₃O₂
- MDL 编号:MFCD00064315
- Molecular Weight:155.16 g/mol
- 默克索引:13,04741
- 熔点:282 °C (dec.)
- 密度:1,44 g/cm³ (20 °C)
- 储存温度:Ambient
- EINECS:200-745-3
规格
规格测试结果
- Appearance:White Crystalline powder or crystals
- Infrared spectrum:Conforms
- Loss on drying:≤0.2 % (105°C, 3 h)
- Sulfated ash:≤0.1 %
- UV transmittance:≥98 % (c=5, H2O, 430 nm) 1 cm cell
- pH:7.0 to 8.5 (2 % in water)
- Specific optical rotation:+12.0° to +14.0° (20°C, 589 nm) (c=11, 6 N HCl) (on dry substance)
- Titration with HClO4:97.5 to 102.5 % (On dry substance)
- Chloride (Cl):≤200 ppm
- Sulfate (SO4):≤200 ppm
- Ammonium (NH4):≤200 ppm
- Iron (Fe):≤10 ppm
- Heavy metals (as Pb):≤10 ppm
规格
- 包装类型:Plastic bottle
- 包装规格:100 g
- 顺序:3401