DL-蛋氨酸 DL-Methionine
分 子 式:C5H11NO2S 分 子 量:149.21
用途:用作生化试剂;适用于防治肝脏疾病和砷或苯等中毒,也可用于治疗痢疾和慢性传染病后因蛋白质不足而引起的营养不良症;本品是饲料营养强化剂。畜禽缺乏蛋氨酸,会引起发育不良、体重减轻、肝肾功能减弱、肌肉萎缩、毛皮变质等。饲料中添加1kg蛋氨酸,相当于50kg鱼粉的营养价值。饲料中一般添加量为0,05%-0.2%。
性质:白色薄片状结晶或结晶性粉末。有特殊气味。味微甜。熔点281度(分解)。10%水溶液的PH值5.6-6.1.无旋光性.对热及空气稳定.对强酸不稳定,可导致脱甲基作用.溶于水(3.3g/100ml,25度)、稀酸和稀减溶液。极难溶于乙醇,
CAS NO.:59-51-8
Molecular formula : C5H11NO2S Molecularweight :149.21
Use: nutritional supplement
Properties: white flake crystalline or crystalline powder.It hasa special smell.Tiny sweet taste.Melting point 281 degrees.PH of10% aqueous solution 5.6-6.1. Optically inactive. Stable to heatand air. Unstable to strong acids, leading to demethylation.Soluble in water (3.3g/100ml,25 ° c), dilute acid and dilutesolution.Extremely insoluble in ethanol and almost insoluble inethyl ether
CAS NO. : 59-51-8