ADA 单钠盐 基本信息:
Cas号 | 分子式 | 分子量 | 别名 | ||||
7415-22-7 | C6H9N2O5Na;H2NCOCH2N(CH2CO2H)CH2CO2Na | 212.14 |
|
说明介绍:
性状 useful pH range 6.0 - 7.2
pKa (25 °C) 6.6 (Free acid)
cation traces Pb: <5 ppm
useful pH range 6.0 - 7.2 pKa (25 °C) 6.6 (Free acid) cation traces Pb: <5 ppm
质量标准
外观Appearance white crystalline powder
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity(Titration with NAOH) ≥99.0% (T)
水分Moistrue ≤10%
溶解性solubility in 0.5N NaOH): clear to slightly hazy colorless to faint yellow solution at 500mg/ml
重金属heavy metals(aslead) ≤5 ppm
贮存 室温保存
用途 生物缓冲剂
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