品 名:DL-蛋氨酸
又 名:DL-甲硫氨酸
英文名:DL-Methionine 可联系河南郑州席经理15936260950
分子式:C5H11NO2S
分子量:149.21
法定编号(CAS):59-51-8
性 状:DL-蛋氨酸为白色薄片状结晶或结晶性粉末。有特殊气味。味微甜。熔点281℃(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℃)、稀酸和稀碱溶液。极难溶于乙醇,几乎不溶于乙醚。
用 途:营养增补剂。人体必需氨基酸之一。
包 装:25kg/桶
质量标准:EP4、AJI92、USP24、FCCIV
白色片状结晶粉末
White crystalline power
溶液澄清度
Clear and colorless
DL-Methionine
Molecular Formula: C5H11NO2S
Molecular Weight:149.21
CAS:59-51-8
DESCRIPTION: Flake white crystal or crystalline powder. With special smell. Slightly sweet flavor. Melting point is 281 ℃ (decomposition). 10% aqueous solution of the PH value of 5.6 ~ 6.1. No optical activity.
It is stable to thermal and air. Instability to acid and can lead to demethylation. Soluble in water (3.3g/100ml, 25 ℃), acid and dilute alkaline solution. Extremely difficultly dissolve ethanol, practically insoluble in ether.
APPLICATION: nutritional supplements. One essential amino acids.
Packing: 25kg / barrel
Quality Standard: EP4, AJI92, USP24, FCCIV