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L-丙氨酸

更新時間:2016-06-08

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L-丙氨酸,純度高,品牌質量、實驗效果好,我們保持著薄利多銷的宗旨,提供給客戶高標準的生化試劑。

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L-丙氨酸
L-Alanine
Cas 號: 【56-41-7】 M D L: MFCD00064410
L-丙氨酸分子式: C3H7NO2 分子量: 89.1
別 名: L-初油氨基酸,α-氨基丙酸,氨基丙酸
(S)-2-Aminopropionic acid
L-α-Aminopropionic acid
Ala
99% 100g
99% 500g
99% 1kg
性 狀: 白色結晶粉末。無氣味。有特殊甜味,易溶于水(166.5g/l水,25℃),微溶于乙醇(0.2%/80%冷酒精),不溶于丙酮等有機溶劑。甜度約為蔗糖的70%。200℃以上開始升華,化學性能穩定。5%水溶液的PH值5.5-7.0。天然品存在于羊毛,絹絲等中。
熔點:314-316℃
[a]20/D: 14.5° (c=10,6N HCl)
質量標準: 外觀Appearance 白色類白色結晶或結晶粉末
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity ≥99.0% (以干基計)
干燥損失Loss on drying <0.2 % (105°C, 3 小時)
重金屬Heavy metals (as Pb) <10 ppm
pH 5.5 - 7 (2.5% 溶液,25°C)
其它氨基酸Other amino acids <0.5 % (TLC)
比旋度Specific rotation [a]20/D +13.5° - +15.5°(c=10, 6 N HCl) 以干基計
痕量分析Trace analysis :
Fe < 10 PPM
Cl < 200 PPM
NH4 < 200 PPM
SO4 < 200 PPM
透光度Transmittance >95 % (c=10, H2O, 430 nm) 1 cm cell
貯 存: 密封陰涼干燥保存。
用途 生化研究。組織培養。肝功能測定。屬于非必需氨基酸,是血液中含量zui多的一種氨基酸,有重要生理作用。
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