甜菜碱,无水

性状描述: 无色柱状结晶。能溶于水和醇。溶解度(每100g溶剂中溶解该品的克数)：水160，甲醇55，乙醇8.7。微溶于乙醚。易潮解，有甜味。在浓氢氧化钾中生成三甲胺。 熔点：293℃

质量标准: 98%: 外观Appearance                  White to Off-White Powder 水溶性Solubility                 Colorless to Faint Yellow,Clear ,50 mg/mL in Water 水分Water (by Karl Fischer)         ≤1 % 纯度Purity by titration with HClO4  ≥98 %                 重金属Heavy Metals                  ≤0.001% 砷(As)                              <0.0002% 品级Grade                               超纯级                                       (≥99.0% (NT)，Ultra pure) 含量assay                             ≥99.0% (NT) 不溶物insoluble matters,              passes filter test 甲醇溶解试验solubility in methanol    合格，1 M at 20 °C, 无色透明 氯chloride (Cl-): ≤200 mg/kg 硫酸根sulfate (SO42-): ≤200 mg/kg 痕量阳离子cation traces by ICP Atomic emission   Ca:                                 ≤10 ppm   Cd:                                 ≤5  ppm   Co:                                 ≤5  ppm   Cr:                                 ≤5 ppm   Cu:                                 ≤5 ppm   Fe:                                 ≤5 ppm   K:                                  ≤50 ppm   Mg:                                 ≤5 ppm   Mn:                                 ≤5 ppm   Na:                                 ≤50 ppm

储存条件: 避光保存

用途: 为甜菜碱型两性表面活性剂，用作还原染料染色用匀染剂。