L-丝氨酸价格，营养增补剂，食品添加剂

L-丝氨酸英文名称：L-Serine                                                                                         中文名称：L-丝氨酸                                                                                                     CAS No.：56-45-1                                                                                                                          分子式：C3H7NO3                                                                                                              分子量：105.09                                                                                                                                                                         包装：25kg/桶                                                                                                             质量标准：FCC，                                                                                                    USP旋光 +13.6～+15.6°                                                                                                                                      含量 99.0～101.0％                                                                                              透光率(%) ≥98％                                                                                                   硫酸盐(%) ≤0.02                                                                                                  重金属 ≤10ppm                                                                                                       铁 ≤10ppm                                                                                                         砷 ≤1ppm                                                                                                              干燥失重 ≤0.30%                                                                                                     氯化物 ≤0.02%                                                                                                    氨含量 ≤0.02％                                                                                                  PH 5.2～6.2                                                                                                       灼烧残渣 ≤0.1%                                                                                                      特性：白色结晶性粉末。无臭，味甜。约于228℃熔化并分解。PH值9时外消旋化。蛋白质加酸水解时损失很多。热稀碱溶液中分解。溶于水(38g/100ml,20℃);不溶于乙醇和乙醚。用途：营养增补剂。氨基酸类药。主要用于氨基酸输液，因有特殊润湿性，也用于雪花膏、化妆品中。 包　装：牛皮纸袋或纸桶包装，每袋(桶)净含量为25kg，还可根据用户需要包装运　输：轻装轻卸以防包装破损，防日晒雨淋，不能与有毒，害物同运。为非危险品。贮　存：本品应贮存在阴凉、干燥、清洁、遮光的环境中，严禁与有毒、有害物质混放，以免污染