DL-半胱氨酸盐酸盐无水物/DL-2-氨基-3-巯基丙酸盐酸盐/DL-盐酸半胱氨酸无水物/DL-氢氯半胱氨酸无水物/DL-Cysteine HC1介绍: [α]+26.5(mol/L盐酸),具亚胺味道,在中性或微碱性溶液中易被空气氧化成胱氨酸,酸性环境下较稳定,易溶于水、乙醇、乙酸,不溶于丙酮、乙酸乙酯、苯、二硫化碳及四氯化碳。用途: 乙酰半胱氨酸的中间体,食品添加剂,酶生长抑制剂,维生素C抗氧剂,剂。包装:C100538-100gglass btlC100538-5gpoly btlC100538-25gpoly btl熔点: 178℃特定比重: 0
DL-半胱氨酸盐酸盐无水物/DL-2-氨基-3-巯基丙酸盐酸盐/DL-盐酸半胱氨酸无水物/DL-氢氯半胱氨酸无水物/DL-Cysteine HC1 |
检测项 | 技术规格 | VALUE |
Z小值 | 值 |
Appearance | Colorless Liquid | |
Heavy metals (as Pb) | 0 ppm | 10 ppm | 10 ppm |
Infrared spectrum | Conforms to Structure | |
Loss on drying | 8.5 % | 12 % | 12 % |
Purity(HPLC) | 98 % | 100 % | 100 % |
Purity(iodometric titration) | 97.5 % | 102.5 % | 102.5 % |
Sulfated ash | 0 % | 0.1 % | 0.1 % |
Transmittance | 98 % | 0 % | 0 % |