甜菜碱(无水)(品牌:克拉玛尔)
Betaine
cas:107-43-7 分子式:C5H11NO2; (CH3)3N+CH2COO
分子量:117.15 别名:甜菜素,**铵乙内酯,甘氨酸**胺内盐 Carboxymethyl)trimethylammonium inner salt Oxyneurine Betaine Anhydrous
订货信息:
项目 化学纯 (CP) 外观Appearance 白色或淡黄色晶体粉末 含量assay(%) ≥98% 干燥失重Loss on Drying (%) ≤1% 灼烧残渣Residue on Ignition (%) ≤1.0% 重金属Heavy Metals(以Pb计)(%) <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 Ni: ≤5 ppm Pb: ≤5 ppm Zn: ≤5 ppm UV absorbance A1M/260 nm, methanol ≤0.08 A1M/280 nm, methanol ≤0.05