ADA 單鈉鹽 基本信息:
Cas號 | 分子式 | 分子量 | 別名 | ||||
7415-22-7 | C6H9N2O5Na;H2NCOCH2N(CH2CO2H)CH2CO2Na | 212.14 |
|
說明介紹:
性狀 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
質量標準
外觀Appearance white crystalline powder
紅外光譜Infrared spectrometry Conforms to Structure
純度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
重金屬heavy metals(aslead) ≤5 ppm
貯存 室溫保存
用途 生物緩沖劑
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